Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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This is Cool | 110 | 2012-04-05 19:27:40 by bobbym |
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This is Cool | 25 | 2012-02-28 07:25:56 by anonimnystefy |
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