> I want know how can I use PIC floating point math library > (multiplication & addition) with PIC 16F877A asm code. I really need it. > http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1824&appnote=en010961 AN575 Title: IEEE 754 Compliant Floating Point Routines Try that application on the microchip website. It's got some good examples. -Scott -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist