I find that a programmable cal like TI can use variables which are sufficient. 

John


--- On Fri, 10/24/08, John La Rooy <piclist.jlr@larooy.com> wrote:

> From: John La Rooy <piclist.jlr@larooy.com>
> Subject: Re: [EE] EE or Programmer Calculator
> To: "Microcontroller discussion list - Public." <piclist@mit.edu>
> Date: Friday, October 24, 2008, 2:11 AM
> On Fri, Oct 24, 2008 at 5:56 AM, M. Adam Davis
> <stienman@gmail.com> wrote:
> > You should look at the free http://www.speqmath.com/ -
> it has a very
> > nice free-form input, does binary/hex/octal/etc the
> usual way (0xff,
> > for instance).
> >
> > It does unit conversions, though it's not perfect.
> >
> > 5Ohm/35A
> >        Ans = 0.142857143 V
> >
> V=IR?
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