Ventana software support forum

hi all
I am doing rainfall-runoff model very simple. I just need a hand on one issue. I have some paramter as level with initial value. I need the model read the initial vlaues at time step zero but start the calculation for all other variables at time step 1.
Any help how i can do this.

I have three questions need your help. I am developing now venapp for groundwater decision support system. The first question : assume you are giving the user the possibility to change a number of parameters (A, B, C) in the model, But you need the user get error message (with model can’t simulate) ...