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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#1 2010-10-09 00:49:15

George,Y
Member
Registered: 2006-03-12
Posts: 1,379

Cut your own Paper Flake!


X'(y-Xβ)=0

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