A vintage-style scientific calculator with a retro LCD display and realistic key sounds. Perform basic and advanced calculations, use shift functions, and access additional modern features like parentheses and memory storage.
by Paul SALANITRI★ 4.619 ratingsUtilitiesFreeData updated 2026-09-08
Perform calculations in standard, scientific, and programmer modes. Calculate totals and taxes. Switch between portrait and landscape layouts. Support multitasking and slide-over on iPad. No ads.
Perform complex mathematical calculations with up to 15 digits of decimal precision. Handle large numbers without ellipsis. Save and reuse calculation equations. Access calculation history even after closing the .
The app allows users to create handwritten notes on an iPad. It offers basic functions for writing, including four color options and adjustable line thickness.
Allows users to perform basic and advanced arithmetic, including equations with parentheses and percentages. It features color-coded parentheses, a dual-display showing the equation and result, and a history log with copy and share options.
The functions as a programmable scientific calculator with HP-15C features. Users can perform financial calculations including account balance tracking with interest rates and loan amortization schedules.
Perform complex calculations with scientific, graphing, and programmer modes. View graphs and equations. Use the Today widget for quick access. Unlock advanced features with in- purchases. Reinstall to reset trial periods.
Use a full QWERTY on Apple , including older models. Type messages via Messages . Support extended Latin characters for multiple languages. Enable typing on wrist-sized devices.
Use sirens, air horns, and emergency sounds as ringtones, notifications, or alerts. Save favorite sounds for calls, alarms, or messages. Play sounds on demand and customize alert settings.
Offers basic and scientific functions for daily tasks and complex computations. It includes unit converters with 41 categories, allowing users to drag and sort units, switch base units, and perform accurate calculations.
Calculator with large keys and 4 basic functions for use. Review entries using tape, add comments, timestamp, and email numbers. Bring past entries into current calculations.
Perform complex calculations with trigonometric, statistical, and combinatorial functions. Define and evaluate custom equations. Graph mathematical expressions and explore multiple variables. Save and reuse calculations for future use.
Calculate sales tax and discounts with percentage-based equations. View calculation history for reuse. Adjust tax settings via swipe. Customize rounding preferences. Choose from multiple color themes. Perform basic arithmetic operations.
Perform calculations and copy results to the clipboard. Use memory buttons to store and reuse values. Convert units, calculate debt with amortization schedules, and access current currency rates.