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Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
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Archimedean spiral
by Rasmushdahl
Exercises
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2011-05-18 05:16:59
by gAr
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