Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
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Coded message in 1919 autograph book
by Moonraker
Puzzles and Games
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2022-07-30 07:00:12
by Bob
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