Time calculator and spreadsheet, graph, saving and export to csv, MySQL and html.
Serial port access, auto logging. No timer limit, precision of 1, 10 or 100 milliseconds.
Simple entering of time values, auto correct function, conversion between time format and different units from milliseconds up to years.
The distribution includes a metronome and a little alarm clock.

Calculations:
Addition (multiple values of the same type),
Subtraction (multiple values of the same type),
Multiplication (2 values: time*float, float*float),
Division (2 values: time/time, time/float, float/float),
Conversion (time=>float, float=>time; units: y, d, h, m, s, ms),
Average (multiple values of the same type),
Maximal common divisor (multiple positive times or integer values),
Minimal common multiple (multiple positive times or integer values, deviation),
Increment/decrement by a specified number (multiple values),
Trigonometry (1 value: time or float; deg/rad mode; deg/rad conversion)

Saving options:
Save, save as,
Append data (save a copy),
Backup (manual or automatic),
Logging (manual or automatic),
Formatted export / import (txt, csv, MySQL),
Export to html / import from html (incl. Graph)