HP-15C CE speed improvement over OG 15C

[RPNerd]

It's obvious that the 15C CE was going to be a lot faster than the original 15C but I wanted to get an idea of how much faster, so I decided to let them both loose on a problem that should involve quite a bit of number crunching. I settled on the problem entitled "Using the Solver with Simultaneous Equations" om pp168-169 of "Programming Examples and Techniques" for the HP-42S (see https://literature.hpcalc.org/items/934).

My OG HP-15C chewed through it in approx. 1m15s, which I thought was pretty good for a calculator that was never particularly fast in the first place repeatedly solving a 4x4 system of linear equations until the correct value for one of the coefficients is found.

The HP-15C CE tore through it in a fraction of a second.

Case closed.