Originally Posted by vswingfield

The QUOTIENT function returns the integer portion of a division. That means that that you will have no decimal places at all. Drop the QUOTIENT part. I also don't see the need for PRODUCT in this instance.

I would, however use PI() instead of 3.1416. Pi is an Excel function. Also, you can square cell A1 by using A1^2 instead of A1*A1. (A1^3 would be A1 cubed, and so forth)

Try using:

"=A1^2*PI()*A2*0.0005787*0.803564*56/2000"