use-revolution Digest, Vol 85, Issue 31

[Vokey, John]

One last change; HP worked hard to find the colours for the keys that would work for all, especially those otherwise known as "colourblind"; hence the, for some, odd beige/yellow keys, and the faded cyan keys.  But, in tests, these colours really do "work for all" including monochromats.  Wendy Carlos has a nice demo for those not otherwise afflicted: <http://www.wendycarlos.com/colorvis/color3.html#cblind>


On 2010-10-15, at 10:59 AM, use-revolution-request at lists.runrev.com wrote:

> Folks,
> 
> following Craig advise, I've changed the little RPN calculator stack to be
> more HP like. Now it has four stack registers (X,Y,Z,T). T will roll down as
> expected. There is now a roll down button.
> 
> I also made the label on the buttons bigger.
> 
> Before this change, the calculator has an "infinite" stack which mimicked
> the last models of HP calculators, now it has four registers which is like
> earlier models. It is enough for simple calculations.
> 
> It might be a toy but it is a fun one.
> 
> http://revonline2.runrev.com/stack/518/RPN-Calc