Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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#1 2011-07-16 15:31:42
Order a 7-up, receive a Sprite instead and win $12,000.Help slow global warming. Drive a prius. July 2012 was the hottest month ever for the U.S.
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