For the say dozen or so simple formulas, enter the formulas into an=20
Excel (or Open office calc). Save the spreadsheet    :)

On 8/17/2011 10:21 AM, Forrest Christian wrote:
> Every time I go through a stage of intense R&D (like I'm dealing with
> right now), I get generally frustrated with a lack of a calculator which
> actually does the stuff I need it to do without a lot of work.
>
> I'm looking for either  a hardware or software calculator which does
> things like ohms law, base conversions, and the 'common' stuff quickly
> and easily (read: more efficient than just doing it by hand or with a
> 'normal' calculator), but also has a depth of other formulas (for
> instance I recently was dealing with capacitor charge and current
> through a drain resistor) which can be accessed when needed.   Ohms law
> is probably a bad example since it is just simple division, although I
> will admit it would be really nice to have something which helps prevent
> the issues when for whatever reason one's brain pulls the wrong formula
> for something rarely used...
>
> Along those same lines, I occasionally have to manipulate complex
> formulas, and just to make thing easier, I'd in the past would use a
> copy of derive, which I understand has been swallowed by TI-Nspire.  Can
> anyone comment on the ease of using Ti-Nspire when manipulating complex
> formulas?
>
> And yes, I can do all of this by hand - which is largely what I'm doing
> today, but why should I waste my time?
>
> -forrest
>
>
>   =20
--=20
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