perl -Mbignum -le 'print sqrt(33)' #### 5.74456264653802865985061146821892931822 #### perl -Mbignum -le 'print 2 ** 0.5' returns: 1.41421356237309504880168872420969807857 #### perl -Mbignum -le 'print 10.01 ** -1' #### 0.0999000999000999000999000999000999000999