=IF(B2="E",1*A2,0.01*A2)
Provided column A is a number to be multiplied by "E" or "C"

I hope this helps.

"Tom Andrews" wrote:

When you type an E for each which would equal 1, or type C for per hundred
which would equal .01, how do you get the cell to show E or C but calculate
by 1 or .01?