my program below :
float fa=123; float fb=123.456; float answer;
main() { answer=fb-fa; }
but answer=0.4560013 not 0.456 , why? anyone help me please.
"Why not just provide a link?"
Because then people get shirty saying you're being "unhelpful" by being "non-specific" instead of spelling it out and spoon-feeding it directly in front of the OP's eyes...
;-)