Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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(i=1~∞)∑0i+0i..+0i=....1?
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I know I know nothing
So I will be quiet    ..........

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2008-02-15

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