# equation

29 07, 2017

## Percents, fractions, and decimals

By |2017-07-29T16:45:17-07:00July 29th, 2017|Math|Comments Off on Percents, fractions, and decimals

Each penny is 1% of a dollar. Percent comes from the Latin words "per cent". That means "out of a hundred," like there are 100 cents in a dollar. So [...]

27 07, 2017

## Simple equations – Algebra

By |2019-05-30T10:57:13-07:00July 27th, 2017|Math|Comments Off on Simple equations – Algebra

Simple equations on a graph Start by thinking of a number line When we learn to add and subtract, multiply and divide, we think of numbers as being all along the number line. But in algebra we think about numbers as [...]

• Medieval Islamic mathematics
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27 07, 2017

## Medieval Islamic mathematics

By |2019-10-07T05:03:36-07:00July 27th, 2017|Islam, Math|Comments Off on Medieval Islamic mathematics

Indian numbers and medieval Islamic mathematics Indian numbers About 630 AD, just before the Islamic empire got started, people in West Asia learned from traders or traveling scholars about "Arabic" numbers. Indian mathematics The invention [...]

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