Algebraic expressions are usually entered between ' ' delimiters. So, what you should type is...
'X^2+Y^2'
'X^2+Y^2'
--- On Fri, 2/20/09, J <professorman40@...> wrote:
> From: J <professorman40@...>
> Subject: [50g] HP50G.. a joke?
> To: 50g@yahoogroups.com
> Date: Friday, February 20, 2009, 2:30 PM
> Hello everyone:
>
> This is ridiculous, but more ridiculus is the User's
> Manual. How can I enter an equation on the PLOT SETUP menu?
> (Left + 2D/3D buttons). I am trying to type "X^2 +
> Y^2", just like it says in the user's manual. When
> I hit enter, "too few arguments". The user manual
> also says "change Type to Fast 3D". I just never
> found those options.
>
> I am getting irritated with a calculator said to be good. I
> switched from Texas to HP and now I get this. Can anyone
> help me with these questions?
>
> thanks