
Project a pot to a retirement age, with contributions and growth per year.

Continuous-compounding interest and the e-folding half-life that goes with it.

Joules, calories, BTU, watt-hours and electron-volts converted exactly.

Project a population forward with growth rate, births and deaths, year by year.

Plain text CV in, styled PDF out.

WPM and accuracy over a timed passage.

Focus sessions with a chime, right in the tab.

Drag-and-drop tasks saved in this browser.