Recommend root-finder for HP 67

[Namir]

EXP is e^X.

LBL E ia the label you use to code f(x)=0. In my example, f(x)=e^x-3*x^2. You can start the code for f(x) by storing the value of x in an unused register, so you can reuse it to calculate x. I chose LASTX is recall X after calculate e^x.

Namir