Convert units between metric and imperial systems including area, distance, speed, temperature, volume, time, weight, energy, and power. Calculate area, speed, distance, and volume with supported units. Switch between units quickly and accurately.
Record calculations, customize prompts, simplify math
Perform calculations with a simplified interface and faster performance. Record and search calculation history. Customize prompt sounds and choose from multiple themes. Designed for use on iPad.
A with simple arithmetic functions. Displays calculation history. Shows current input. Features intuitive design and universal compatibility. No additional features or complex calculations included.
Perform calculations with a running total and real-world logic. Handle cost, sell, and margin computations. Add or subtract percentages in one step. Features large buttons and a clear display for easy use.
Calculate with a customizable Japanese cute wallpaper. View calculation steps and instantly detect errors. Save results and access a simple, intuitive interface for everyday use.
Perform arithmetic with fractions, mixed numbers, and whole numbers. Execute addition, subtraction, multiplication, and division. Automatically simplify results to lowest terms. Display mixed fractions. View and reuse calculation history.
Calculate diamond weight and precious metal costs using real-time live prices for gold, silver, and platinum. Input measurements to determine weight and value. Export results and track price changes over time.
Learn addition and subtraction using a Soroban . Move beads to perform calculations. Practice basic math operations. Track progress with interactive exercises. Sync with devices for continued learning.
Calculate metal weight for forms like round, sheet, tube, and rectangle. Support alloys including steel, aluminum, and gold. Perform paint surface calculations. Convert between piece and price per kilogram/ton.