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

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#1 2009-05-14 05:21:46

schreiber
Guest

outside utility level?

does anyone happen to know what that is or means?
all i know is it can be zero.

Thank you!

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