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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 2009-07-09 15:01:14

soroban
Member
Registered: 2007-03-09
Posts: 451

Instant Cube Roots

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#2 2009-07-28 12:00:01

rajulu
Member
Registered: 2009-07-28
Posts: 1

Re: Instant Cube Roots

This method is only useful if you know that the given number is a perfect cube

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