Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
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#1 2006-04-09 18:58:21
- George,Y
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- Registered: 2006-03-12
- Posts: 1,379
Free Statistics Sofware ^-^
:DX'(y-Xβ)=0
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