>Hi, >Any ideas how I can pursuade fb^3 to compute the following?: > > result& = 17^1234 mod 3223 > >Thanks >Bernie Plan A: Use the older FB II (from the CD). It uses BCD Math which is slower but has the luxury of being able to handle large numbers. Just set the precision in the preferences to 240 digits (or more if needed - up to 16000 digits of accuracy when the trademark [TM] symbol follows that #. Use option 2 to type the trademark symbol). Check page 16 the FBII manual for details. Then you can easily do most math problems. Plan B: Simulate multi-precison math like Robert Purves suggested. - Stu C.