When is a pocket calculator more than just a calculator? [Andrew Menadue] has been pushing the limits of his 1970s Casio FX-502P by adding all sorts of modern functionality via the calculator’s ...
Quartz movement 1/100 second digital stopwatch; measuring modes: elapsed time, split time, 1st-2nd place times Hourly time signal; calendar (pre-programmed until the year 2029); 12and 24 hour formats ...