Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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This is Cool | 39 | 2009-02-12 14:12:30 by losttvseries |
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Poll: thousand million = billion? by martian
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This is Cool | 11 | 2005-11-25 18:19:57 by justlookingforthemoment |
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