Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

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**mansoorakhtar65****Member**- Registered: 2013-04-09
- Posts: 1

hi to all my friends

help me about the term infinity, its definition, properties,

also help me out in logarithm

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 83,210

Hi;

Welcome to the forum, please look here:

http://www.mathsisfun.com/definitions/infinity.html

http://www.mathsisfun.com/numbers/infinity.html

http://en.wikipedia.org/wiki/Infinity

Logarithm:

**In mathematics, you don't understand things. You just get used to them.I have the result, but I do not yet know how to get it.All physicists, and a good many quite respectable mathematicians are contemptuous about proof.**

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