Calculate gratuity with customizable tip rate presets and round-up/round-down options. View pre-tax calculations and select themes for personalized settings. List all options for quick reference.
by Yong Gyun Kim★ 4.714 ratingsUtilitiesFreeData updated 2026-09-16
Calculate power, current, and voltage in electrical circuits. Input values to determine unknown quantities. Convert between units. Store frequently used calculations. Share results via email or copy-paste.
Track workouts with AMRAP, EMOM, For Time, Tabata, and custom intervals. Set countdown or count-up timers. Display duration and remaining time. Add round counts and customize settings. Export data and sync with fitness apps.
Calculate interest with precise results. Input principal, monthly contribution, annual rate, and years to compute accumulation. Display results instantly with clear visual output. Track growth over time with detailed breakdowns.
Track scores for games with 1 to 9 players. Input per round to calculate totals and display player rankings in a visual diagram. View per round and overall standings.
Calculate chemical dosages for chlorine, pH, and alkalinity with precise formulas. Get smart recommendations for balancing water. Track chemical levels and maintenance schedules. Export data for records or sharing.
Measure heart and respiratory rates by tapping to record pulse or breathing intervals. Calculate rates using timing data. Designed for EMTs, paramedics, and veterinarians. Requires ability to feel radial pulse or observe respiratory rate.
This offline application helps pilots calculate night flight time. The app uses algorithms for distance and sunrise/sunset calculations, with adjustable night definitions based on regulations.
Perform calculations with real-time results as you type. Chain multiple calculations together for continuous operations. Customize settings for personalized experience. View detailed history of previous calculations.
Calculate for net or gross values by adding or subtracting. Adjust tax rates and view results instantly. Open as a menu bar or separate window for quick access.
Perform calculations with labeled numbers and visual connections. Edit expressions by dragging results or extracting sub-expressions. Automatically update linked values and view calculation history in real-time.