Science and Technics / Science / Mathematics / Arithmetic

Short-Cut Math

by Gerard W. Kelly

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...

Speed Mathematics Simplified

by Edward Stoddard

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...

How to Calculate Quickly: Full Course in Speed Arithmetic

by Henry Sticker

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...

A Refresher Course in Mathematics

by F. J. Camm

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....

Arithmetic Refresher

by A. A. Klaf

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...

100 Great Problems of Elementary Mathematics

by Heinrich Dörrie

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's Constant [Ramanujan's Formula]

by Greg Fee

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...

Topics in Arithmetic

by Terence H. Murdock

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....

Using the Right Brain for Math -Multiplication and Division for Kids

by Baby Professor

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...

Fun Plants & Seeds Math Games - Multiplication and Division for Kids

by Baby Professor

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...

Subtracting Multi Digit Numbers Requires Thought | Children's Arithmetic Books

by Baby Professor

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...

Adding Means You Have More | Children's Arithmetic Books

by Baby Professor

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’...

How Math Works: A Guide to Grade School Arithmetic for Parents and Teachers

by G. Arnell Williams

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...