# Thread: Inverse Functions CAS

1. ## Inverse Functions CAS

Hi how do you input an inverse function in a Ti-Inspire CAS calculator?

2. ## Re: Inverse Functions CAS

Originally Posted by ChanelSapphire
Hi how do you input an inverse function in a Ti-Inspire CAS calculator?
Surely you own the instruction manual?

3. ## Re: Inverse Functions CAS

Originally Posted by ChanelSapphire
Hi how do you input an inverse function in a Ti-Inspire CAS calculator?
Parametric mode ... plot original function as $x_1(t)=t$ and $y_1(t)=f(t)$; plot the inverse by swapping $t$ and $f(t)$ in $x_2(t)$ and $y_2(t)$. Example attached ...