Learn to calculate the day of the week for any between 1800 and 2200 using the Doomsday Algorithm. Track progress with personal times. Compare results with calculated values. Save custom mnemonics for special dates in the Doomsday List.
by Jubbly Pty Ltd★ 4.03 ratingsEducationFreeData updated 2026-09-06
Create and manage personal timetables for university, school, or daily use. Add courses with start and end times, choose between 5 or 7 days per week, and set one- or two-week rotations.
Learn aviation basics through a simulated pilot interface. Interact with multi-touch controls to edit flight plans. View detailed airport data with SafeTaxi. Access flight charts and navigation information for training.
Call taxis instantly or schedule rides for specific times. Use GPS to identify pickup locations. Choose payment methods including cash or credit card. Register quickly for access. Track vehicle location in real-time. Receive estimated arrival times.
Calculate GST on sales or purchases by entering the transaction amount and GST rate. Perform basic mathematical operations. View calculated results instantly.
Display Bhutanese details including day, month, and year. List all government holidays. Set reminders for auspicious occasions. Show quote of the day and eye movement signs. Provide Bhutanese horoscope. Generate PDF . Convert lunar to solar dates.
Explore a fully illustrated timeline of global with detailed explanations and videos. View historical events with associated paintings and images. Memorize key dates and understand their context through interactive content.
Create flashcards for math concepts. Review questions with instant feedback. Track progress over time. Set goals and receive reminders. Sync sessions across devices.
Calculate values of a -angled using hypotenuse, cathetus, opposite, adjacent, or angles. Enter two values to automatically compute all other values. Display results with detailed formulas and units. Save and share calculations.
Calculate the number of days between two dates. Input a start date and end date to determine the difference. Track time intervals for personal events or milestones. Export results in text format.
Track income by day, week, or project. Categorize earnings, set hourly rates, and view detailed breakdowns. Compare earnings across dates and locations. Export reports and set reminders for bill payments.
Core vocabulary to develop conversational skills in multiple . Practice speaking and listening exercises. Receive feedback on pronunciation. Track progress over time.
Teach and practice with customizable problem settings. Solve random or custom problems with adjustable number sizes. Change colors and interface settings. Track progress through interactive exercises.