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

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**dave123**- Replies: 3

Here is my joke I made up.

i + pi = 2 i

Have you seen this math website, libraryofmath.com it has great tutorials on Calculus, Calculus III, Group Theory, Euclidean Geometry, and some more.

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