http://mathworld.wolfram.com/PSLQAlgorithm.html http://mathworld.wolfram.com/PSLQAlgorithm.html With some clever tricks you can use it to "recover" a surd from

http://mathworld.wolfram.com/PSLQAlgorithm.html http://mathworld.wolfram.com/PSLQAlgorithm.html With some clever tricks you can use it to "recover" a surd from a decimal ie 1.4142135624 -> sqrt(2)