Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -

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Cool graphs using the sgn(x) function!!! by anonimnystefy  [ 1 2 3 ]
This is Cool 74 2012-03-21 17:11:26 by bobbym

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