Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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You are not logged in. #1 2010-03-17 20:54:03
Prove that minus one is a blind numberA signed number is not blind if when it is divided into numbers with lower signs, their definite end product is not both + and - itself Last edited by LQ (2010-03-18 00:51:55) I see clearly now, the universe have the black dots, Thus I am on my way of inventing this remedy... |