Learn mental weekday calculation with text and video tutorials. Practice using Guided Solve mode for step-by-step training. Test skills with in- challenges. View calendar dates and calculate corresponding weekdays instantly.
by Jasper Murphy★ 5.09 ratingsEducationFreeData updated 2026-09-06
The app builds interactive graphs of the Gompertz function and its derivatives. It fits curves to data, solves Gompertz function equations graphically, and calculates saturation and inflection points.
The app presents a unique action puzzle game with 100 levels. Players navigate through dungeons filled with bats, ghosts, monsters, spikes, and poison gas.
