Calculate in binary, hex, and decimal simultaneously
Convert numbers between binary, hexadecimal, and decimal bases. Display all three bases simultaneously. Switch input modes and see results in all bases. Perform arithmetic, logic, and bitwise operations. Support unsigned and 2’s complement numbers.
by Nidal Fakhouri★ 4.8183 ratingsUtilitiesFreeData updated 2026-09-08
Calculate volume for holes, slabs, or tubes using precise equations. Choose input units from mm, cm, m, inches, feet, yards, or miles. Select output units including cubic mm, cm, m, inches, feet, yards, or miles. Adjust decimal places for precision.
Edit formulas, check calculations, reuse past entries
Enter and edit mathematical formulas with real-time validation to prevent errors. Reuse past formulas to adjust values quickly. Navigate expressions using a cursor or arrow keys. Swipe to switch between calculation modes and view results instantly.
Solve math problems from basic arithmetic to advanced algebra. Perform exact fraction calculations and store unlimited variables. Create custom functions and graph equations. Use a powerful algebra engine for precise results.
Teaches basic coding concepts through logical puzzles in a raceway format. Includes binary counting games to develop problem-solving skills. Tracks progress through 70 levels.
Record game scores without pen and paper, simulating ruled paper formatting. Track results for Scrabble, darts, golf, UNO, and card games. Calculate totals with optional decimal precision up to six places.
Calculate trigonometric values for the by inputting radians or angles. Display step-by-step solutions and support negative numbers, decimals, and fractions. Save calculations in history and share results.
A calculator with cat sounds on equals. Tracks calculation steps and displays results. Allows input order calculations. Identifies mistakes during entry. Supports basic arithmetic operations.
Performs basic and scientific calculations. View and share calculation history. Switch between landscape and portrait modes. Choose from customizable themes to personalize the interface.
Perform calculations with fractions, decimals, and repeating decimals using order of operations. Enter fractions with blue buttons for whole numbers and green buttons for numerators over denominators.
Calculate component values for Op Amp, 555, RC Filter, and Resistor Divider circuits. Decode resistor and capacitor codes. Compute power, resistance, current, and voltage using Ohm's Law and Power Calculators.
The app offers two modes: portrait for basic calculations and landscape for scientific functions. Users can track entries with multiple tapes and use memory slots for complex calculations.
Perform complex calculations with formula display and editing. Convert currencies and cryptocurrencies. Customize buttons and layouts. Store and recall previous calculations. Adjust decimal places and number formats.
Convert units across categories like Clothing, Area, Weight, and Temperature. Select base and target units. Adjust decimal places for converted values. Perform quick and accurate conversions.
Calculate mathematical expressions with scientific functions, trigonometry, and logarithms. Store and recall values. Adjust display settings for different modes. Export calculation history and share results via email or cloud storage.
Perform calculations with live voice input. Use an ergonomic key layout with an extra large "+" key and backspace function. Copy and send results via email. Support dark mode and retina display on all iPads and iPhones. Track usage history.