Poulation Trends

[srthor]

Hi,
I am doing an IB cousework now and I would need some help in how to enter equations in autograph please.
This is urgent so please reply fast.
My equation was this
P9t) = K / 1+Le^-Mt
Thanks

[Simon]

Dear srthor,

Open a 2D graph page and click enter equation. Type y = K / (1 + Lexp(-Mx)) and press OK.

Use the Constant Controller to vary the values of the parameters K, L and M.

Best of luck with your coursework,

Simon

[srthor]

Thanks Simon.
I tried the way you posted but it didn\'t work well. It kept giving me a straight line as the answer when I change the constant. I do not know what to do.
Anyway, thanks for the reply.
srthor

[Simon]

Sorry my mistake you must use lowercase letters:

y = k / (1 + lexp(-mx))

Simon