ok I got it to change to eng. format {slap to the head}... but i am writing a program that i would like the answer to come out with the proper metric prefix IE: 1,000=1.x10e3 = 1k or 1,000,000 = 1.x10e6 = 1M I would like the basic program to output in k or M or m... is there a way to tell the calc that e3 = K and output in that format... thanks again