HP48GX - How to plot tangent line of function?

[joeres]

(10-15-2017 07:42 PM)thomasross Wrote:  Hello,

If I have a function plotted is there a way to quickly plot the tangent line at a point?

Hello,
use softkey "TANL" in picture "FCN" menu. See user guide (http://www.hpcalc.org/details/3937), page 22-11 (295).

Kind regards,
Joerg