Ventana software support forum

You can just write an equation b=.02*c. Tom Thanks Tom The problem is at the first time ( time = 1) the value c is 1 , at the time = 20 the value c is 19 In financial , when you want predict at the first time 1 the value b = 0.02 * sumtotal c ( at the time =20 ) , how to set up the function ?? You ...

Dear Admin,
With the free license , Vensim missed much function as ' CUMULATE and NPV..."
With student , Can you have any support for purchasing ( do researching Master ) ??

My simulation has :
Variable a : = Pulse Train ( 1,20,1,20)*1
c : = Integ(a,0)
It mean that at the month 20th, the C = 20
how to set up the variable b=0.02*c ( the value b is constant , the c in this formular has the value 20 at the month 20 ) ???

Dear All, Now I use the Vensim for free license, because I am student in Viet Nam. With free license , Vensim hasn't the "cumulate and NPV " function My simulation has : Variable a : = Pulse Train ( 1,20,1,20)*1 c : = Integ(a,0) It mean that at the month 20th, the C = 20 how to set up the ...