Dear developers, We M/S GVR Electro technics P.ltd., are using KEIL's uVision/51 for Windows Version 1.32. I am facing the following problem pl do the needful.. I am writing coding in MIXED (ASM/C) for that it is OK. I want to use LIB functions 'SQRT' and 'COS'. I tried with different combinations. Extracted the OBJ file related to the same. Also tried with command line complilation. In project options source files contains the following. 1) xx.c 2) xx.src 3) \c51\lib\c51s.lib When i tried to include \c51\lib\c51fps.lib It say ?C?startup missing.. So, kindly help Thanx in advance.. MADHU SERIAL:P862361