Is a that allows editing of mathematical expressions with instant results. It syncs calculation history across devices. Purchasing + adds unit conversion, history tools, fractions, and more.
by Oleg Barinov★ 4.9381 ratingsUtilitiesFreeData updated 2026-09-15
Calculate mathematical expressions with basic and advanced functions. Store history for reference. Add taxes to totals. Use biometric authentication like fingerprint or face to secure data. Retrieve previous results for new calculations.
1. Convert units, currencies, and timezones instantly by typing a number and a few letters. Use a dedicated numpad to switch keyboards. Learn conversion patterns over time. Fetch current currency rates and display approximate values when needed.
Calculate using functions including sin, cos, tan, and their inverses. Convert units with 136 converters. Access daily updated currency exchange rates. Perform algebraic calculations with 800+ formulas. Switch between degrees, radians, and grads.
Upgrade your free with paper tape history for reviewing and editing past calculations. or export the history to iBooks, Dropbox, email, or . Save and retrieve files, add comments, and modify entries. The iPad version includes a full-sized keypad.
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.
Currency converter lets users switch between currencies. Unit converter changes measurements like length and temperature. Percentage computes percentages. BMI estimates body mass index. Tip determines tips based on bill amount.
Allows users to perform basic arithmetic operations, calculate percentages, and use memory functions. It includes a scientific mode for advanced calculations and supports unit conversions. Users can customize themes and save calculation history.
The app allows users to print or email calculation history as a PDF. It includes a backspace key for corrections and supports document exchange via iTunes.
The app provides a virtual advisor for refining questions and offers unit conversions for various physical quantities. It also includes steam properties and single-phase line pressure drop calculations.
Calculate potential profits and losses for cryptocurrency trades. Input coin names and amounts to see results. Switch between dark and light mode for visual preference. Customize icons for personalization.
Convert of temperature, distance, weight, and speed
Convert of temperature, distance, weight, and speed. Switch between Celsius and Fahrenheit, miles and kilometers, pounds and kilograms, and kilometers per hour and miles per hour. Perform calculations and save frequently used conversions.
Convert units across 34 categories with 1400+ conversion options. Switch between light and dark mode. Use as a home widget with localized number formatting.
Convert units between feet and inches, miles and kilometers, Celsius and Fahrenheit. Swap units with a button. Access live currency updates for major currencies. View 15 categories with multiple units. Perform calculations with a simple interface.
Calculates with multiple modes and customizable settings
The app provides multiple calculation modes for various mathematical tasks. The app includes customizable interfaces and widgets for convenient use across devices.
Perform calculations, convert units and currencies, and compute percentages and proportions. Calculate areas and volumes. Drag and drop to create custom calculators. Solve complex or simple math problems.