ENGLISH

Short-cut math

By Gerard W. Kelly

Book information

Publisher
Dover Publications
Year
1984
ISBN
9780486246116, 0486246116
LCC
QA111 .K44 1984
Open Library ID
OL3178096M
Language
english
Format
PDF
Filesize
3 MB (3303866 bytes)
Edition
Revised
Pages
117\117
Time added
2009-08-06 05:14:26

Description

Clear, concise compendium of about 150 timesaving math short-cuts—faster, easier ways to add, subtract, multiply and divide. Each problem includes an explanation of the method, a step-by-step solution, the short-cut solution, and proof and an explanation of why it works. No special math ability needed.

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