# All the math you'll ever need: a self-teaching guide by Steve Slavin By Steve Slavin

A pointy brain, like a fit physique, is topic to an analogous rule of nature: Use it or lose itNeed a calculator simply to figure out a fifteen percentage provider cost? now not precisely convinced the way to get the calculator to provide you the determine you wish? flip to this revised and up to date variation of all of the Math you will Ever want, the friendliest, funniest, and simplest exercise routine software around.In no time, you should have overall command of all of the robust mathematical instruments had to make numbers give you the results you want. In a dollars-and-cents, bottom-line international, the place numbers impression every thing, none folks can manage to pay for to allow our math abilities atrophy. This step by step own math trainer:Refreshes functional math abilities in your own wishes, with examples in accordance with daily situations.Offers hassle-free recommendations for operating with decimals and fractions.Demonstrates basic how one can determine mark downs, calculate personal loan rates of interest, and determine time, fee, and distance problems.Contains no complicated formulation and no pointless technical phrases.

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Mind Tools -The Mathematics of Information

Now to be had in paperback, brain instruments connects arithmetic to the area round us. unearths arithmetic' nice energy instead language for realizing issues and explores such ideas as common sense as a computing device, electronic as opposed to analog strategies and conversation as details transmission.

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100 c. 9 Solutions: a. 006 b. 1 38 39 c. 09 Â < previous page < previous page page_30 page_31 next page > next page > Page 31 I'll bet you're finding these pretty easy. You'll probably be able to complete Self-Test 2 in less than five minutes. Self-Test 2 1. Divide each of these numbers by 10: a. 01 b. 4 c. 900 d. 71 e. 3 2. Divide each of these numbers by 100: a. 80 b. 14 c. 7 d. 916 e. 05 Answers 1. a. 001 b. 4 c. 90 d. 071 e. 03 2. a. 8 b. 0014 c. 037 d. 16 39 40 e. 0005 3 How Are You Doing So Far?

1 Converting Fractions into Decimals Converting a fraction into a decimal is a simple problem of division. Problem 1: Convert 1/4 into a decimal. Solution: Â < previous page < previous page page_36 page_37 next page > next page > Page 37 The big question is why do we divide the 4 into the 1. Once again, we can call upon one of the laws of arithmetic. Whenever we have a fraction, it may be read as follows: divide the top number by the bottom number. You may raise the objection that you can't divide 4 into 1.

17 d. 13 e. 008 Answers 1. a. 9 b. 7 c. 860 37 38 d. 56 e. 1,020 2. a. 400 b. 2 c. 1,700 d. 13 e. 8 2 Fast Division Fast division is the exact reverse of fast multiplication. Instead of moving the decimal place to the right, we move it to the left. And in the case of whole numbers ending with zeros, we subtract zeros. Are you ready for some problems? Please work these out. Problems: Divide each of the following numbers by 10: a. 800 b. 3 Solutions: a. 80 b. 6 c. 03 In each case what we did was move the decimal one place to the left.