Calculator tricks (90 résultats)

Paperback. Etat : Good. See Ya Later Calculator demystifies numbers and math. With these simple, precise, and downright magical math tricks, readers can do everyday math faster than it takes to dig out their phone and find the calculator app. Clear, step-by-step, easily memorizable directions demonstrate more than 125 math operations anyone can do in their head. Plus, it features do-it-yourself math projects, puzzles, and even a bonus section for advanced mathophiles. Get ready to tackle fun problems such as. How to easily square any numberHow to add three-digit numbersHow to use a mirror to measure the height of a building.How to make a ruler out of a dollar billHow to use geometry to paint walls, cut floor tiling, and do other home renovationsHow to subtract numbers.by adding>And lots more.no calculator required.…

Etat : like_new. Book is in like new condition with minimal signs of wear. Pages are clean and free from notes or highlighting. Dust cover is intact. May not contain miscellaneous items toys, dvds, etc. . We offer 100% money back guarantee and 24 7 customer service.

Paperback. Etat : Very Good.

Paperback. Etat : Good.

Paperback. Etat : Very Good. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting.

Etat : very_good. Fast Free Shipping â" Very Good condition book with a firm cover and clean pages. Shows normal use and some light wear or limited notes markings. A solid, nice copy to enjoy.

Paperback. Etat : Good. Discover the Mental Math Secrets to Become a Human Calculator Schools taught you a way to do math that works when you have a pen & paper. But the same methods, takes a lot of effort when you have to do math in your head. This is because it uses a lot of your working memory (the short term memory used to complete a mental task).For example, try to mentally multiply 73,201 x 3. It might take only a few seconds to multiply the individual digits. But if you multiply right to left the way you learnt in school, you will rely on your working memory. You will use it to recall every single digit you calculate to put it back together and get your final answer. You may even find yourself calculating some digits again because you forgot one of the numbers.The difficulty increases further when you have to multiply larger numbers like 732 x 323. You will have to remember numbers across many steps. Mental arithmetic would be a lot easier to do in your head if you didn't have to remember so many numbers.In school, you learnt to write the down numbers as you calculate to free up your working memory. In mental math, there are many other ways to do the same thing.One of the tricks to free up your working memory is to calculate from left to right instead of right to left. Try multiplying 73,201 x 3 from left to right, starting from 7 x 3 and ending with 1 x 3. You will find yourself calling out the answer before you even finish the whole problem.You can use this trick to solve any math problem in the future. But we have just scratched the surface. There are many more tricks inside the book that make doing mental math as easy as reading a comic.Here is a glimpse of what you will be able to master: Mentally add large numbers(Example: Add 8739 + 5492 in your head in seconds)Subtract numbers fast. (Example: Mentally subtract 7520 - 4998 without writing anything down)Multiplication tricks to multiply three-digit numbers. (Example: Multiply 323 x 123 in your head)Square large numbers in seconds (Example: Calculate 64 x 64 faster than a calculator)Mentally divide large numbers (Example: Divide 601324 by 73 entirely in your head)Quickly check a calculation with 90% accuracy without re-calculatingOvercome math anxietyCement your mental math skills with bonus weekly training.This book only has the best techniques used by over 27 mental and Vedic math experts across the world. The techniques in this book are so simple you will wonder why nobody taught you this before. You will be able to master it, even if you have failed math in school.Imagine waking up tomorrow being able to do lightning fast math in your head. Your family & friends will look at you like you are some kind of a genius. Since you do the calculations in your head, you will acquire better mental habits in the process. So you will not just look like a genius. You will actually be one.Click Buy Now To Become A Human CalculatorEvery minute you wait to buy this book, is another minute you don't see the benefit of being good with math & numbers. Put the power of mental math to work in your life so you can quickly & easily: make math and numbers more usefuldevelop better memory habitsincrease concentrationdevelop new ways to thinkand do speed math entirely in your head faster than a calculator Click Buy Now To Get This Book TodayA MUST BUY for students of Vedic Mathematics, GMAT, GRE, SAT, Case Study Interview and Case Interview.…

paperback. Etat : Very Good.

Etat : very_good. Fast Free Shipping â" Very Good condition book with a firm cover and clean pages. Shows normal use and some light wear or limited notes markings. A solid, nice copy to enjoy.

paperback. Etat : Good.

Paperback. Etat : Good. See Ya Later Calculator demystifies numbers and math. With these simple, precise, and downright magical math tricks, readers can do everyday math faster than it takes to dig out their phone and find the calculator app. Clear, step-by-step, easily memorizable directions demonstrate more than 125 math operations anyone can do in their head. Plus, it features do-it-yourself math projects, puzzles, and even a bonus section for advanced mathophiles. Get ready to tackle fun problems such as. How to easily square any numberHow to add three-digit numbersHow to use a mirror to measure the height of a building.How to make a ruler out of a dollar billHow to use geometry to paint walls, cut floor tiling, and do other home renovationsHow to subtract numbers.by adding>And lots more.no calculator required.…

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hardcover. Etat : Fair.

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Paperback. Etat : Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less.

Paperback. Etat : Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less.

Paperback. Etat : Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less.

Paperback. Etat : Good.

Paperback. Etat : Very Good.

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Paperback. Etat : Very Good.

hardcover. Etat : Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority.

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Hardcover. Etat : Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority.

Paperback. Etat : Good. Discover the Mental Math Secrets to Become a Human Calculator Schools taught you a way to do math that works when you have a pen & paper. But the same methods, takes a lot of effort when you have to do math in your head. This is because it uses a lot of your working memory (the short term memory used to complete a mental task).For example, try to mentally multiply 73,201 x 3. It might take only a few seconds to multiply the individual digits. But if you multiply right to left the way you learnt in school, you will rely on your working memory. You will use it to recall every single digit you calculate to put it back together and get your final answer. You may even find yourself calculating some digits again because you forgot one of the numbers.The difficulty increases further when you have to multiply larger numbers like 732 x 323. You will have to remember numbers across many steps. Mental arithmetic would be a lot easier to do in your head if you didn't have to remember so many numbers.In school, you learnt to write the down numbers as you calculate to free up your working memory. In mental math, there are many other ways to do the same thing.One of the tricks to free up your working memory is to calculate from left to right instead of right to left. Try multiplying 73,201 x 3 from left to right, starting from 7 x 3 and ending with 1 x 3. You will find yourself calling out the answer before you even finish the whole problem.You can use this trick to solve any math problem in the future. But we have just scratched the surface. There are many more tricks inside the book that make doing mental math as easy as reading a comic.Here is a glimpse of what you will be able to master: Mentally add large numbers(Example: Add 8739 + 5492 in your head in seconds)Subtract numbers fast. (Example: Mentally subtract 7520 - 4998 without writing anything down)Multiplication tricks to multiply three-digit numbers. (Example: Multiply 323 x 123 in your head)Square large numbers in seconds (Example: Calculate 64 x 64 faster than a calculator)Mentally divide large numbers (Example: Divide 601324 by 73 entirely in your head)Quickly check a calculation with 90% accuracy without re-calculatingOvercome math anxietyCement your mental math skills with bonus weekly training.This book only has the best techniques used by over 27 mental and Vedic math experts across the world. The techniques in this book are so simple you will wonder why nobody taught you this before. You will be able to master it, even if you have failed math in school.Imagine waking up tomorrow being able to do lightning fast math in your head. Your family & friends will look at you like you are some kind of a genius. Since you do the calculations in your head, you will acquire better mental habits in the process. So you will not just look like a genius. You will actually be one.Click Buy Now To Become A Human CalculatorEvery minute you wait to buy this book, is another minute you don't see the benefit of being good with math & numbers. Put the power of mental math to work in your life so you can quickly & easily: make math and numbers more usefuldevelop better memory habitsincrease concentrationdevelop new ways to thinkand do speed math entirely in your head faster than a calculator Click Buy Now To Get This Book TodayA MUST BUY for students of Vedic Mathematics, GMAT, GRE, SAT, Case Study Interview and Case Interview.…