Multi Stopwatch and Timer is an extension of normal stopwatch and timer with many useful additional features.
A professional and accurate stopwatches and timers with milliseconds precision.
Multiple stopwatches
Stopwatch laps
Multiple timers
Speed Math - Human CalculatorForget about calculator, you no longer need it....
Stop on red game....
This app is no longer maintained please refer to this new app:https://play.google.com/store/apps/details?id=com.humancalc...
Math Guinness is an app developed for people who want to try...
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