# Category Archives: mathematica 9

## Sets, Subsets & Universal Set

Sets: A Set is made up of a specific group of objects or symbols. (The objects or symbols are called the Elements of the Set) Example: If a set E consists of even numbers, then E = … Continue reading

Posted in mathematica 9
Tagged education, math, math for grade 9, math for high school, math for IGCSE, sets
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## Rational & Irrational numbers

image: regentsprep.org Rational numbers: Any number which can be expressed as a fraction. Rational numbers include: whole numbers fractions recurring decimals terminating decimals image: barrygray.pwp.blueyonder.co.uk image2: highhopes.com Irrational numbers: Irrational numbers include the square … Continue reading

Posted in mathematica 9
Tagged cool math, igcse math, irrational numbers, math, math for grade 9, math for school, rational numbers
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