Ventana software support forum

I have a problem to build an equation in my model to calculate that: I have stock or quantity B fixed every year i have A= different monthly amount to be withdrawn from B each month So i need to calculate C the residual each month C=B-A (the equation should read the initial value of B every 12 month...

Ther are some work done using powersim linked with GIS, just google it and u will find it.