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Can you multiply 362 x .5 quickly in your head? Could you readily calculate the square of 41? How much is 635 divided by 2½? Can 727,648 be evenly divided by 8?

If any of these questions took you more than...

Entertaining, easy-to-follow suggestions for developing greater speed and accuracy in doing mathematical calculations. Surefire methods for multiplying without carrying, mastering fractions, working quickly...

Many useful procedures explained and taught: 2-column addition, left-to-right subtraction, mental division of large numbers, more. Also numerous helpful shortcuts. More than 8,000 problems, with solutions. 1945...

Readers wishing to extend their mathematical skills will find this volume a practical companion. Easy-to-follow explanations cover fractions, decimals, square roots, metric system, algebra, more. 195 figures....

These 937 most-asked questions deal with tax problems, interest and discount, time-payment, etc. Features 809 problems and answers. "More than just a refresher . . . contains a great number of items that are...

Problems that beset Archimedes, Newton, Euler, Cauchy, Gauss, etc. Features squaring the circle, pi, similar problems. No advanced math is required. Includes 100 problems with proofs.

Catalan constant to 300000 digits computed on September 29, 1996 by using a Sun Ultra-Sparc in 1 day 8 hour 15 min 15 sec 55 hsec. The algorithm used is the standard series for Catalan, accelerated by an Euler...

With implicit emphasis on logic and reason, and supported by ample examples and illustrations, Topics in Arithmetic provides simple, clear instruction on the fundamental math needed for success in learning arithmetic....

We are always here to assist you on the easy and even the difficult tasks you encounter when it comes to your kids educational needs. Mathematics is always a problem for many parents and educators. This book...

How about incorporating Mathematics to plants? Well, this book will teach your kids how to multiply and divide with the help of our ever trusted plants and seeds. This book was designed to remove the intimidating...

This edition of children’s science and nature educational books is about subtracting multi digit numbers. The book successfully reduced confusion among toddlers with the help of comprehensive illustrations...

This is a book dedicated entirely for toddlers’ basic addition lessons. This material contains creative stories and illustrations to better present the principles of addition and relate them to your kids’...

Math is a subject many people find intimidating. But many don’t understand the history of math and how it came to be what it is today. Here, G. Arnell Williams illuminates, in plain and simple terms, how we...