GP/PARI CALCULATOR Version 2.7.5 (released) amd64 running mingw (x86-64/GMP-6.0.0 kernel) 64-bit version compiled: Oct 26 2015, gcc version 4.9.3 (GCC) threading engine: single (readline v6.2 enabled, extended help enabled)
Copyright (C) 2000-2015 The PARI Group
PARI/GP is free software, covered by the GNU General Public License, and comes WITHOUT ANY WARRANTY WHATSOEVER.
Type ? for help, \q to quit. Type ?12 for how to get moral (and possibly technical) support.
parisize = 8000000, primelimit = 500000 (10:59) gp > floor(121^(1/2)) %1 = 10 (10:59) gp >