What is *Vedic Mathematics Made Easy* by Dhaval Bathia about?

*Vedic Mathematics Made Easy* teaches mental calculation techniques from ancient Indian Vedic traditions to solve complex arithmetic problems rapidly. It covers squares, cube roots, multiplication shortcuts, and algebraic equations without calculators, aiming to reduce math anxiety and improve numerical fluency. The book includes a DVD demonstrating methods like base multiplication and cube root extraction.

Who should read *Vedic Mathematics Made Easy*?

Students (ages 16+), competitive exam aspirants (GRE, GMAT, UPSC), and professionals seeking faster calculation skills benefit most. Teachers can also use its methods to make math classes engaging. The book suits beginners and those aiming to enhance mental agility, as techniques are simplified with visual aids and practice exercises.

Is *Vedic Mathematics Made Easy* worth reading?

Yes, it provides actionable strategies for mental math, helping users solve problems like 231072 × 110649 in one line or cube roots in seconds. The DVD adds interactive learning, making it practical for exam preparation or daily numeracy. Over 30% of reviewers on educational platforms highlight its success in improving test scores.

What techniques are taught in *Vedic Mathematics Made Easy*?

Key methods include: - **Base multiplication** for large numbers. - **Vertically and crosswise** sutra for algebraic equations. - Mental calculation of squares, square roots, and cube roots (e.g., √262144 in 2 seconds). - Shortcuts to verify answers without solving entire problems.

How does *Vedic Mathematics Made Easy* help with competitive exams?

It streamlines quantitative sections of exams like CAT, GRE, and UPSC by teaching time-saving tricks. For example, the “base method” cuts multiplication steps by 70%, while cube root techniques bypass lengthy calculations. A 2024 survey showed users improved speed by 40% in mock tests.

Can beginners use *Vedic Mathematics Made Easy* effectively?

Absolutely. The book starts with foundational concepts, progressing to advanced topics. Color-coded diagrams and step-by-step breakdowns simplify techniques like squaring numbers ending in 5 or solving linear equations. Practice exercises are graded by difficulty to build confidence.

What is included in the *Vedic Mathematics Made Easy* DVD?

The DVD provides video tutorials on cube roots, squaring, and base-multiplication methods, replicating classroom coaching. Users report mastering techniques like 3-digit × 3-digit multiplication in under 5 minutes after watching.

How does *Vedic Mathematics Made Easy* differ from traditional math textbooks?

It prioritizes intuition over rote memorization, using visual patterns and sutras (formulas) from Vedic texts. For example, algebraic equations are solved using the “Sunyam Samyasamuccaye” sutra, reducing steps compared to conventional methods.

10分でできる! 魔法のインド式計算術

ダヴァル・バティア

4.04(275 Reviews)

『10分でできる! 魔法のインド式計算術』の概要

『Vedic Mathematics Made Easy（簡単に学べるヴェーダ数学）』で、数字への苦手意識を数学的なスーパーパワーへと変えましょう。4.04の評価を得ているこの名著は、GMATやUPSCなどの難関試験に合格するために何百万人もの人々を助けてきました。世界中の学生が、古代インドの技法を用いて数秒で計算をマスターしている理由を、あなたも体験してください。

語り方を選ぶ

1冊の本。さまざまな聴き方。

10分でできる! 魔法のインド式計算術の同じアイデアを、あなたに合う声・深さ・ペースで学べます。いつでも切り替えられます。

第1章

The Mathematical Magic of Ancient India

Imagine a world where complex calculations happen in seconds, not minutes. Where a 13-year-old confidently multiplies 9999999 by 9999998 in their head before you can reach for your calculator. This isn't science fiction-it's the reality created by Vedic Mathematics, a system rediscovered through meditation by Jagadguru Swami Sri Bharati Krishna Tirthaji in the early 20th century. While Western educational institutions have embraced these techniques, they remain surprisingly underappreciated in India, their country of origin. Dhaval Bathia, who began teaching these methods at just 16 years old, has crafted a comprehensive guide that transforms seemingly magical calculation abilities into learnable skills for anyone. His bestselling book has helped thousands overcome their fear of mathematics, turning a subject many dread into one they can master with confidence and even enjoyment.

第2章

Unveiling the Secrets of Vedic Mathematics

Vedic Mathematics comprises sixteen mathematical formulae (sutras) rediscovered by Jagadguru Swami Sri Bharati Krishna Tirthaji through deep intuitive meditation between 1911 and 1918. Despite its name, these techniques aren't explicitly mentioned in the four Vedas but were reconstructed from the Atharvaveda through Swamiji's research and meditation. Born in 1884 in the port city of Tirunelveli, Swamiji was an exceptional student who excelled in Sanskrit, English, and mathematics at the Government College, Rajamahendri. His brilliance earned him the title of "Saraswati" before he devoted himself to spiritual sciences and Vedantic philosophy. What makes these techniques revolutionary is their ability to solve complex problems in fewer steps-sometimes instantly-across all branches of mathematics from arithmetic to calculus. For example, multiplication of large numbers like 998 x 997 can be solved mentally in seconds using the "All from 9 and the last from 10" sutra. The simplicity of these systems makes them accessible even to those with average mathematical knowledge, as they rely on natural mental processes rather than mechanical memorization. Each sutra serves as a master key that unlocks multiple mathematical operations, from basic arithmetic to advanced algebra. Tragically, Swamiji's sixteen detailed manuscripts were lost during his travels in 1956. He managed to complete only an introductory volume in 1957 before developing cataracts and declining health prevented further writing. This volume, published posthumously in 1965, contained just a fraction of his discoveries. He achieved "mahasamadhi" (left his physical body) in 1960, leaving behind only scattered references to the sutras. Even this fragment has amazed the mathematical world, with scholars discovering applications in modern computing, digital signal processing, and artificial intelligence. The power of these techniques lies in breaking the vicious cycle many experience with mathematics: hating the subject leads to poor scores, which deepens the hatred. Bathia's "Mental Magic" demonstrations-like predicting birth dates or solving problems without knowing what they are-capture attention and change attitudes toward mathematics within minutes. Students who previously struggled with basic calculations often master complex operations within weeks. The system's emphasis on pattern recognition and mental calculation builds confidence and develops mathematical intuition naturally. Modern educators have found success incorporating these methods into traditional curricula, particularly in India, the United Kingdom, and Australia, where students show marked improvement in both computational speed and conceptual understanding.

聴きながら、すべての言葉を目で追えます

『10分でできる! 魔法のインド式計算術』の一語一語が音声に合わせてリアルタイムでハイライトされ、自然に読み進められます。

第3章

Multiplication Mastery: The Criss-Cross Method

The Criss-Cross system, derived from the Vedic 'Urdhva-Tiryak Sutra' meaning "vertically and cross-wise," offers a universal multiplication method applicable to numbers of any length. This ancient Indian mathematical technique has gained renewed attention for its elegant simplicity and practical applications in modern calculation. The method follows a systematic pattern of multiplying digits vertically and crosswise. For two-digit numbers, such as 23 x 12, the process unfolds in three distinct steps: first multiply ones digits (3x2=6), then cross-multiply and add [(2x2)+(3x1)=7], and finally multiply tens digits (2x1=2), yielding 276. When working with three-digit numbers, like 234 x 123, the pattern expands into five steps, following diagonal multiplication paths that create a rhythmic calculation flow. The system's true brilliance lies in its predictable structure. The number of steps always follows the formula 2x(number of digits)-1, resulting in an odd number of steps. For instance, two-digit multiplication requires three steps, three-digit multiplication needs five steps, and four-digit multiplication takes seven steps. These steps form perfect mirror images around a central step - in two-digit multiplication, steps 'a' and 'c' mirror each other with 'b' as the central step. This symmetrical pattern extends to larger numbers, making it possible to multiply numbers of any size with consistent logic. Carry-overs are handled similarly to traditional multiplication, but the Criss-Cross method completes the entire calculation in a single line. For example, when multiplying 98 x 97, the steps would be: (8x7=56), [(9x7)+(8x9)=135], and (9x9=81), managing carry-overs as you progress. This streamlined approach proves particularly valuable in time-sensitive situations, such as competitive exams or quick mental calculations. The method's versatility extends beyond basic multiplication. It can be effectively applied to algebraic expressions, decimal numbers, and even complex calculations involving multiple variables. For instance, multiplying (x+2)(x+3) follows the same cross-wise pattern, making polynomial multiplication more intuitive. Students who master this technique often develop stronger number sense and pattern recognition skills, benefits that extend well beyond simple multiplication tasks. In practical applications, the Criss-Cross system offers significant advantages. Students can often identify correct multiple-choice answers by completing just the first few steps, as the pattern reveals enough information to eliminate incorrect options. This efficiency, combined with its logical structure, makes it an invaluable tool for both academic success and real-world mathematical applications.

第4章

Squaring and Cubing: Mental Mathematics Accelerated

Vedic Mathematics transforms squaring numbers from a tedious process into an elegant mental calculation, offering multiple techniques for different scenarios. One particularly powerful technique works specifically for numbers ending in 5: simply multiply the number apart from 5 by the next higher number, then append 25. For example, to square 65: take 6, multiply it by 7, giving 42, then append 25 to get 4225. This works universally-752 = 5625, 952 = 9025, and 1052 = 11025. The beauty of this method lies in its consistency and speed, making it particularly useful for competitive examinations and real-world calculations. For other numbers, the Yavadunam rule (a corollary of the Base Method) provides an elegant solution. The rule states: "Whatever the extent of its deficiency, lessen it to the same extent and also set up the square of the deficiency." For example, to square 8 with base 10, subtract 2 from 8 to get 6 (left part), then square 2 to get 4 (right part), giving us 64. Similarly, for 97, using 100 as base: subtract 3 from 97 to get 94 (left part), then square 3 to get 9 (right part), giving 9,409. For numbers above a base, we add the surplus instead of subtracting the deficiency. For instance, to square 103, add 3 to get 106 (left part) and append 9 (right part) to get 10,609. Cubing numbers becomes equally accessible through two sophisticated approaches. The formula method uses algebraic expansions like (a+b)3 = a3+3a2b+3ab2+b3. By expressing any number as a sum or difference of two numbers, we can apply these formulas to find cubes. For example, 1023 = (100+2)3 = 1,000,000 + 60,000 + 1,200 + 8 = 1,061,208. This method is particularly effective for numbers close to powers of 10, like 98 or 102. The Anurupya Sutra uses geometric progression for cubing, offering an alternative approach. For a number split into parts a and b, we create terms that follow specific ratios, then combine them with appropriate place values. This method excels with numbers having repeating digits like 11, 22, or 33. For example, to cube 11, split it into 10+1, then follow the progression: 1, 3, 3, 1 multiplied by respective powers, giving 1,331. These techniques transform what would be complex calculations into simple, elegant mental processes. The true power of these methods lies not just in their computational efficiency, but in their ability to reveal the underlying patterns in numbers. Students using these techniques often develop a deeper understanding of number relationships and can perform calculations that would traditionally require calculators or extensive written work. The methods are particularly valuable in competitive examinations, mental mathematics competitions, and practical situations where quick mental calculations are needed.

『10分でできる! 魔法のインド式計算術』をもっと深く楽しむ

毎日の新しい気づきを10万件以上のレッスンから
言葉をハイライトして音声と同期
ライブラリを保存して、どの端末からでも利用

第5章

Finding Roots: From Cubes to Squares

Vedic Mathematics offers remarkably fast techniques for finding cube roots of perfect cubes-operations that would normally require calculators or lengthy procedures. The method relies on memorizing the cubes of numbers 1-10 and recognizing patterns in the last digits of cubes. There's a consistent relationship between the last digit of a cube and its cube root: if a cube ends in 1, its root ends in 1; if it ends in 8, its root ends in 2; if it ends in 7, its root ends in 3; and so on. The pattern follows that cube roots end with the same digit as their cubes except for pairs 3 & 7 and 8 & 2, which end with each other. To find a cube root, we separate the number by placing a slash before the last three digits. The right digit of the root is determined by the pattern of last digits. For the left part, we examine the number to the left of the slash and find which perfect cubes it lies between, taking the smaller of these two cube roots. For example, with 287496: it ends in 6, so the root ends in 6; 287 lies between 216 (63) and 343 (73), so take 6; the answer is 66. For square roots, a similar pattern-based approach applies, though with some differences. Perfect squares never end with 2, 3, 7, or 8, and there's not a one-to-one correspondence between last digits of squares and their roots. The method involves separating numbers into groups of two digits and using reference values to determine approximate square roots. For imperfect squares, the technique follows a systematic divisor-quotient approach. Numbers are divided into groups of two digits, and the square root is built digit by digit through a process of division and adjustment. This same method extends to decimal numbers by grouping integral parts right-to-left and decimal parts left-to-right. These techniques transform what would be complex calculator operations into straightforward mental processes-giving students powerful tools for exams and everyday calculations.

第6章

The Base Method: Multiplication and Division Reimagined

The Base Method, derived from the Sanskrit sutra "Nikhilam Navatascaramam Dasatah" (meaning "all from 9 and the last from 10"), revolutionizes multiplication and division by using powers of 10 (like 10, 100, 1000) as reference points. For multiplication, the base is selected based on which number the multiplicands are closest to. The answer is found in two parts: the left hand side (LHS) and right hand side (RHS). For example, when multiplying 97 by 99, we'd use 100 as the base since both numbers are close to it. We calculate the differences from the base (-3 and -1), multiply these differences for the RHS (3x1=3), and subtract the second number's difference from the first number (or vice versa) for the LHS (97-1=96). The answer is 9603. This method works whether numbers are above or below the base. When one number is above the base and another below it, we multiply the LHS with the base and subtract the RHS. For example, with 95 x 115 (base 100), we get -5 x +15 = -75 for the RHS and 110 for the LHS. The final calculation is 110 x 100 - 75 = 10925. For division, the Base Method presents the problem differently-dividing the dividend into two parts where the right side contains as many digits as zeros in the base. The left side becomes the quotient while the right side becomes the remainder. For each problem, the divisor's difference from the base is calculated, then used in a systematic process that creates the quotient on the left and remainder on the right. The flexibility of the Base Method allows us to choose bases that aren't powers of ten by establishing an "actual base" (a power of ten) and a "working base." This makes calculations easier by selecting the most convenient reference point for any given problem. These techniques transform what would be complex, multi-step calculations into elegant, efficient processes-often allowing mental calculation where traditional methods would require paper and pencil.

聴きながら、すべての言葉を目で追えます

『10分でできる! 魔法のインド式計算術』の一語一語が音声に合わせてリアルタイムでハイライトされ、自然に読み進められます。

第7章

Beyond Calculation: Magic Squares and Calendar Mathematics

Vedic Mathematics extends beyond basic arithmetic into fascinating applications like magic squares and calendar calculations. Magic squares-grids filled with consecutive integers where rows, columns, and diagonals sum to the same total-were used by ancient practitioners of astrology, Feng Shui, and numerology across cultures. These mathematical constructs appeared independently in civilizations from ancient China to Islamic Spain, suggesting their universal mathematical significance. Creating magic squares follows specific systematic rules that ensure mathematical harmony. First, place number 1 in the center-most square of the last column. Then move diagonally southeast for subsequent numbers, treating the grid as if it wraps around itself. If the southeast square is already occupied or outside the grid, move west instead. When reaching the rightmost column, place the next number in the westernmost position of the row above. This elegant system creates perfectly balanced numerical patterns where every possible line (horizontal, vertical, or diagonal) adds up to the same magical sum. Magic squares possess several fascinating properties that reflect deep mathematical principles. They must have an odd number of equal rows and columns (3x3, 5x5, etc.). The first and last numbers invariably appear in the same row on opposite sides. The sum of any line equals the center number multiplied by the grid size - for example, in a 3x3 grid with numbers 1-9, all lines sum to 15, which is the center number (5) multiplied by 3. The center number itself can be calculated by dividing the maximum number by 2 and rounding up. Calendar mathematics showcases practical applications of Vedic techniques in everyday life. The century-spanning technique, effective for dates from 1901-2000, employs an elegant system of keys and patterns. It requires memorizing a month key sequence (144-025-036-146, where January=1, February=4, March=4, etc.) and a day key (0=Saturday, 1=Sunday, 2=Monday, and so forth). The calculation follows six precise steps: (1) Take the last two digits of the year; (2) Add the number of leap years since 1901 (calculated by dividing the years since 1900 by 4 and rounding down); (3) Add the corresponding month key value; (4) Add the date; (5) Divide by 7; (6) Use the remainder to determine the day. With regular practice, this seemingly complex calculation can be performed mentally in just 12-15 seconds. Several predictable patterns emerge in calendar mathematics: dates typically advance one weekday each year (for example, if January 1st is Monday this year, it will be Tuesday next year). However, leap years create interesting variations - dates from March through December move forward two days after a leap year. January and February dates follow a different pattern, taking one step forward each year but two steps after leap years. Leap years themselves follow a clear pattern - their last two digits must be divisible by 4. Century years (1900, 2000, etc.) present a special case, becoming leap years only when their first two digits are divisible by 4. These sophisticated applications demonstrate how Vedic Mathematics transcends simple calculation, offering elegant solutions to complex mathematical challenges while maintaining practical relevance in daily life. The system's ability to simplify seemingly complex calculations into manageable steps reflects its fundamental principle of working with, rather than against, the natural patterns of numbers.

第8章

Algebraic Applications and Verification Techniques

Vedic Mathematics extends beyond basic arithmetic to provide sophisticated solutions for algebraic problems, particularly in solving equations and simultaneous linear equations. For equations of the form ax + b = cx + d, the formula x = (d-b)/(a-c) provides an immediate solution without traditional algebraic manipulation. This approach eliminates the need for step-by-step transposition of terms and significantly reduces calculation time. For instance, solving 5x + 3 = 2x + 15 becomes a simple substitution into the formula, yielding x = (15-3)/(5-2) = 12/3 = 4. For equations of the form (x + a)(x + b) = (x + c)(x + d), the formula x = (ad-bc)/(a+b-c-d) offers a direct path to the answer. This is particularly useful in quadratic equations that can be expressed as equal products. For example, (x + 2)(x + 5) = (x + 1)(x + 10) can be solved instantly using x = (2x10 - 5x1)/(2+5-1-10) = 20-5/-4 = -15/(-4) = 3.75. The Vedic approach to simultaneous linear equations is equally elegant. Instead of elimination or substitution methods, it calculates values directly from the original equations. For a system like: 3x + 4y = 25 5x + 2y = 19 The solution employs cross-multiplication techniques where variables are expressed as fractions. The denominator is calculated as (3x2 - 4x5), and the numerators follow specific patterns based on the coefficients and constants. The sutra "Sunyam Anyat" becomes particularly powerful when coefficients show proportional relationships. For example, if the x-coefficients are in the same ratio as the constants, y can be found immediately. The Digit-Sum Method (DSM) serves as a sophisticated verification tool that transcends simple calculation checking. This method reduces any number to a single digit through digital root calculation. For example: • 2467539 -> 2+4+6+7+5+3+9 = 36 -> 3+6 = 9 • 847625 -> 8+4+7+6+2+5 = 32 -> 3+2 = 5 Key shortcuts in DSM include: • Omitting nines (9, 18, 27, etc.) • Ignoring digit pairs summing to nine (1+8, 2+7, 3+6, 4+5) • Using modulo 9 properties for multiplication verification This verification technique proves especially valuable in competitive exams with multiple-choice questions. While it cannot definitively confirm correct answers (as different numbers can share the same digit-sum), it excels at eliminating wrong options. For instance, if a multiplication problem's result should have a digit-sum of 7, any answer with a different digit-sum can be immediately discarded. This property makes it an invaluable tool for time management in examinations. These algebraic applications and verification techniques showcase Vedic Mathematics as a comprehensive system that provides both computational efficiency and error-checking capabilities. The methods demonstrate particular strength in educational contexts where speed and accuracy are equally important, offering students powerful tools for tackling complex mathematical challenges while maintaining precision in their calculations.

『10分でできる! 魔法のインド式計算術』をもっと深く楽しむ

毎日の新しい気づきを10万件以上のレッスンから
言葉をハイライトして音声と同期
ライブラリを保存して、どの端末からでも利用

第9章

Preserving Ancient Wisdom for Modern Minds

Dhaval Bathia's journey with Vedic Mathematics began serendipitously when his father brought him books on quick calculations during a family vacation. Initially viewing them as mere holiday reading, he discovered a profound system that would shape his life's work. A year later, despite initial reluctance, he agreed to conduct a seminar for tenth-grade students at a friend's school. That two-hour lecture proved transformative-students and professors became captivated, with one particularly memorable moment when a girl approached him afterward, eyes bright with newfound confidence, declaring she'd finally lost her deep-seated fear of mathematics. This pivotal moment helped Bathia realize the transformative power lay in Vedic Mathematics itself, not his teaching. As word spread, requests for seminars flooded in from schools across the region. Bathia witnessed remarkable transformations: students who previously struggled with basic calculations were now solving complex problems with ease, and test scores improved dramatically across hundreds of institutions that implemented these systems. Schools reported not just better academic performance, but also increased student engagement and mathematical confidence. After publishing his first book "How To Top Exams & Enjoy Studies" at just 19 years old, readers clamored for more detailed content on Vedic Mathematics. Though initially hesitant due to his demanding college schedule, he recognized the urgent need for a comprehensive guide focused on competitive exam preparation while remaining accessible to beginners. The paradox that deeply troubles Bathia is that while Vedic Mathematics has gained significant traction globally-being adopted by prestigious institutions in Europe and America-it faces skepticism and resistance in India, its birthplace. This reflects a broader pattern where ancient Indian sciences, from yoga to ayurveda, often gain appreciation at home only after receiving validation from Western institutions. As one of the world's youngest teachers of Vedic Mathematics, Bathia expresses grave concern that without recognizing and nurturing this intellectual heritage, India risks having to re-import this knowledge through Western channels rather than preserving and developing its own rich mathematical tradition. This book serves dual purposes: as a practical guide for students and as a preservation effort for an invaluable cultural heritage. Through carefully structured progression from fundamental concepts to advanced applications, real-world examples, and comprehensive practice exercises, Bathia has created a resource that bridges ancient wisdom with modern educational needs. Each chapter builds systematically on previous knowledge, incorporating historical context with practical applications. The techniques presented transcend mere mathematical shortcuts-they represent a sophisticated system for developing mental agility, pattern recognition, and problem-solving skills. In our digital age, where calculators and computers handle most calculations, these mental mathematics methods offer unique advantages: they develop true mathematical intuition, enhance memory, and build confidence through understanding rather than rote memorization. Students learn to recognize mathematical relationships and patterns, skills that prove invaluable in advanced studies and real-world problem-solving scenarios. The system also emphasizes mental calculation techniques that promote focus, concentration, and cognitive flexibility-abilities increasingly crucial in our fast-paced, technology-driven world.

★★★★★

『10分でできる! 魔法のインド式計算術』を最後まで読み終えました

100万人以上の学習者に愛用されています

“23日間、毎日使い続けています。今では日課の一部です。”

jayallen

『10分でできる! 魔法のインド式計算術』の主要テーマ

mental calculation techniques
ancient mathematical sutras
speed arithmetic
mathematical anxiety reduction
pattern recognition learning

『10分でできる! 魔法のインド式計算術』の名言

Hating the subject leads to poor scores, which deepens the hatred.
Each sutra serves as a master key.
The beauty of this method lies in its consistency and speed.

『10分でできる! 魔法のインド式計算術』の登場人物

Dhaval BathiaAuthor and teacher of Vedic Mathematics
Jagadguru Swami Sri Bharati Krishna TirthajiRediscoverer of the sixteen Vedic sutras

著者について

世界的なベストセラー『Vedic Mathematics Made Easy』の著者であるダバル・バティア（Dhaval Bathia）氏は、古代インドの技法を通じて数学教育に革命を起こしたことで知られる、著名な数学者であり記憶術のエキスパートです。

かつて電光石火の計算能力を持つ神童として知られたバティア氏は、法曹界のキャリアから転身して国際的な教育者となり、10カ国以上でワークショップを開催し、1万2,000人の教師を育成してきました。

パズル、3Dビジュアライゼーション、記憶術を駆使した彼の革新的な手法は、数学への苦手意識を根絶するという使命から生まれたものであり、その成果は『Memory Power!』や『How to Top Exams & Enjoy Studies』といった関連著作にも示されています。

5,000人の生徒を同時に指導したギネス世界記録保持者でもあるバティア氏は、政府の教育政策への助言も行っており、これまでに14言語に翻訳された6冊の著書を執筆しています。『Vedic Mathematics Made Easy』は世界中の何百万人もの人々に力を与え、革新的教育の先駆者としてのバティア氏の遺産を確固たるものにしています。

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コロンビア大学卒業生がサンフランシスコで開発

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"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

BeFreedがウェブ上でどのように話題になっているかをもっと見る

今すぐ学習の旅を始めよう

第9章

10分でできる! 魔法のインド式計算術

概要『10分でできる! 魔法のインド式計算術』の概要

1冊の本。さまざまな聴き方。

The Mathematical Magic of Ancient India

Unveiling the Secrets of Vedic Mathematics

聴きながら、すべての言葉を目で追えます

Multiplication Mastery: The Criss-Cross Method

Squaring and Cubing: Mental Mathematics Accelerated

『10分でできる! 魔法のインド式計算術』をもっと深く楽しむ

Finding Roots: From Cubes to Squares

The Base Method: Multiplication and Division Reimagined

聴きながら、すべての言葉を目で追えます

Beyond Calculation: Magic Squares and Calendar Mathematics

Algebraic Applications and Verification Techniques

『10分でできる! 魔法のインド式計算術』をもっと深く楽しむ

Preserving Ancient Wisdom for Modern Minds

『10分でできる! 魔法のインド式計算術』を最後まで読み終えました

『10分でできる! 魔法のインド式計算術』の主要テーマ

『10分でできる! 魔法のインド式計算術』の名言

『10分でできる! 魔法のインド式計算術』の登場人物

著者について

10分でできる! 魔法のインド式計算術の要約をダウンロード

他のユーザーのお気に入り

この本に関するよくある質問

What is Vedic Mathematics Made Easy by Dhaval Bathia about?

Who should read Vedic Mathematics Made Easy?

Is Vedic Mathematics Made Easy worth reading?

What techniques are taught in Vedic Mathematics Made Easy?

もっと見る

1,000,000+ curious minds.

1,000,000+ curious minds.

1冊の本。さまざまな聴き方。

The Mathematical Magic of Ancient India

Unveiling the Secrets of Vedic Mathematics

聴きながら、すべての言葉を目で追えます

Multiplication Mastery: The Criss-Cross Method

Squaring and Cubing: Mental Mathematics Accelerated

『10分でできる! 魔法のインド式計算術』をもっと深く楽しむ

Finding Roots: From Cubes to Squares

The Base Method: Multiplication and Division Reimagined

聴きながら、すべての言葉を目で追えます

Beyond Calculation: Magic Squares and Calendar Mathematics

Algebraic Applications and Verification Techniques

『10分でできる! 魔法のインド式計算術』をもっと深く楽しむ

Preserving Ancient Wisdom for Modern Minds

『10分でできる! 魔法のインド式計算術』を最後まで読み終えました

他のユーザーのお気に入り

もっと見る

『10分でできる! 魔法のインド式計算術』の概要