Calculate with dual-line display and multi-line input
A with dual-line display showing input and result. Supports multi-line equations and tap-to-move cursor. Saves calculation history with timestamps and labels. Allows emailing calculations and swiping to review past entries.
Allows users to perform basic arithmetic operations. Choose from different background colors and display themes. Input numbers and operators to calculate results. Switch between light and dark modes for better visibility.
Check current exchange rates for multiple currencies. Convert amounts between currencies. Save favorite pairs for quick access. View historical rate data. Enable offline mode for no internet use. Set alerts for rate changes.
Perform general calculations including addition, subtraction, multiplication, division, and square roots. Use memory functions for storage and retrieval. Apply thousands separators and handle numbers up to 60 digits.
Offers basic, scientific, and programmer modes with history views. Users can share results via email or copy-paste values between apps. The supports iPhone, iPad, and iPod Touch devices.
Calculator lets users perform basic and scientific calculations with over 30 functions. Switch between portrait and landscape modes. Customize leather color and background texture on iPad. Take notes or draw directly on the interface.
Calculate historical prices and convert to today's
Calculate historical currency values from 1800 to 2025. Convert prices using 22 currencies including US Dollar, Euro, British Pound, and others. Adjust for and view adjusted values over time.
Calculate time values by adding, subtracting, and multiplying and . Input time values directly without converting to decimals. Display results in and format.
Perform basic calculations with a standard interface. Optimized for iPad and iOS 9 with high-resolution display support. Includes a charming piano sound for input. No popups or ads.
Calculate of values, increase or decrease values by a percentage, and find the original value before a percentage change. Set custom values, view step-by-step calculations, and save results for future reference.
Simplify calculations with a clean interface showing equations and results simultaneously. Record and edit operations. Access scientific functions. Choose from multiple themes. Subscribe for quarterly membership at ¥18.
Perform complex calculations with root, power, trigonometric, and logarithmic functions. Calculate factorials and double factorials. Draw graphs, use four memory blocks, insert constants, and make notes.
Perform basic and calculations including trigonometric and inverse trigonometric functions. Use mathematical functions like absolute value, ceiling, floor, and rounding. Modify calculations in real time by clicking steps.
Perform complex calculations using 12 built-in calculators including scientific, financial, and unit conversion tools. Input formulas with three modes: standard, string, and RPN.
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.