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

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**n872yt3r****Member**- Registered: 2013-01-21
- Posts: 392

What countries do they come from and what are Rankine, Delisle, Reaumur and Romer? I know of the rest... they are used in chemistry...

- n872yt3r

Math Is Fun Rocks!

By the power of the exponent, I square and cube you!

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 102,800

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.** **A number by itself is useful, but it is far more useful to know how accurate or certain that number is.**

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