This app collects many of main mathematical formulas, from the simple and used ones. In fact, it offers a fast tool to convert pace to speed and viceversa. It offers also a simpe Riegel calculation, which is an empirical formula which estimates the performace on a distance given a performance on a smaller distance. It includes a tool to estimate the athletic track laps based on the average pace. The last page contains 2 sections: the former is to calculate the average speed given the distance and the time of a performace, the latter calculates a performace in percentage to another (for example, respect to the winner). This version provides ads-free experience.
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