Contributor: GERD KORTEMEYER { kortemey@rudolf.nscl.msu.edu (Gerd Kortemeyer) >Does anyone have a Turbo Pascal 6.0/7.0 Function that will return the >square root of a regular 6 Byte Real argument. I need a faster one than >the one the comes With TP7.0 because my Program is spending a lot of time >in it. if you Really need to do fast FP-calculations you should use a coprocessor (or a 486DX) together With its dataTypes SINGLE, DOUBLE and EXTendED. if you already got a copro and still use Real, that's the worst thing you can do. In fact using Real With copro is often slower than Without because the 6 Byte Real always has to be converted into a copro dataType. Now here is what you can Write instead of x:=sqrt(a); } Asm fld a fsqrt fstp x end;