I need calculate the product of a series of variables, for instance: var1 var2 ... var100, I need the product of var1-var100, instead of var1*var2*...*var100, is there a simple way to calculate that result?
I assume there should be some fuction to do that, just like the sum of var1-var100 could be done by sum(of var1-var100). I check function product but it doesn't seem the right way.
Greatly appreciate any suggestions and help!