Ventana software support forum

hello, everybody, who can tell me how to import data instead of input data by hand in the vensim PLE, the data i need input to much, input data by hand is slowy, who can supply me a fast method of inputting data, thank you

Thank you, Tony, you help me very much

how to calculate p(i)-p(i-1) in vensim PLE, please help me, thank you !

thank you for your help, Tom

I have simulate ET for 230 days, I want to accumulate them, that is ETS=ET1+ET2+。。。+ET230, I think the integ function can not do it, I don't know how to do it

in vensim PLE, how to do accumulation

Thank you, tony, I am from China, my Email is : zhouchchun@163.com.

in vensim, how to accumulate, does it have this function, thank you