Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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How to remember numbers? by Rememberg
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Euler Avenue | 4 | 2012-09-17 15:20:20 by Agnishom |
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