PLEASE PLEASE an Undo

[eried]

(05-02-2016 02:32 PM)luisphysics Wrote:  What do I mean? Ok for example on my Ti-inspire if I am typing an equation say
// Ok I'm gonna give a trivial example

10-1

and before pressing enter I accidently press ctrl+del
I think oh no!!!!!
Then I think ...wait TI has undo
I can press ctrl+z

and then 10-1 is back on the input screen.

It doesn't record each button press but that is fine... it is something.
...................
What about Prime? No such luck.

Hahah yeah we all know Prime lacks this, it is one of the most requested enhancements http://www.tricider.com/brainstorming/2eKfifdjarx but I estimate that it is going to arrive in the next 4 updates, circa 2020