Welcome to Clozure Common Lisp Version 1.9-dev (LinuxARM32)! ? (* 9126805504 -536870912) -3229880371730448384 ? The result is incorrect, the correct answer is -489991639457909964 This is revision 15558 recompiled to use hardware floats on Raspberry Pi. -- Waldek Hebisch hebisch at math.uni.wroc.pl