by Steve Slavin · Academia do Livro · tapa blanda · ISBN 9789898194114
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«Toda a Matemática que Precisa Saber» is Steve Slavin's daily calculation guide, published by Academia do Livro in paperback (320 pages, in Portuguese).
A guide to tackling everyday calculations with ease: discounts, percentages, interest, taxes, profit margins, time, speed, distances and areas. With clear, accessible language, it reviews the fundamentals of arithmetic and basic algebra to restore mental agility and stop reaching for the calculator in common operations.
Portuguese translation of «All the Math You'll Ever Need: A Self-Teaching Guide», originally published in 1989.
Suitable for those who want to regain fluency with numbers and gain confidence in the small mathematical challenges of daily life, at their own pace.
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