Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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#1 2009-07-10 13:01:14
- soroban
- Power Member
Offline
Instant Cube Roots
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#2 2009-07-29 10:00:01
- rajulu
- Novice
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Re: Instant Cube Roots
This method is only useful if you know that the given number is a perfect cube