Lets users perform calculations and convert units with an easy-to-read history tape and expression view. Save and reuse previous calculations. Convert between units intuitively. Sync with Apple Watch for on-the-go use.
by Tapbots★ 4.711,113 ratingsUtilitiesFreeData updated 2026-09-08
Convert units across 50 categories and over 1000 options, including mixed units like ft + in or m + cm. Add frequently used conversions to a favorites list. Save and share conversion results.
Calculate standard deviation, probable error, and error of the mean for surveying and civil measurements. Switch between imperial and metric units. Perform calculations for series of observations and single or combined accidental errors.
Perform calculations with real-time results and visible input process. Use scientific and fraction modes. Adjust decimal places and show/hide separators. Access unlimited history. Quick start with backspace and keyboard vibration or sound.
Perform complex calculations with scientific functions, trigonometry, and unit conversions. Customize themes, adjust display settings, and save frequently used formulas. Export results and share calculations directly.
The app features large, easy-to-read keys for fast input and a permanent display of the user's expression. Results appear automatically as typing occurs, eliminating the need for an equals key.
Perform complex calculations with a sleek interface. Store and recall values using memory function. Review calculation history for accuracy. Switch between scientific and basic modes. Adjust display settings for clarity.
Convert units quickly with over 700 options across 30 categories. Customize conversion settings and layouts. Add notes and formulas for calculations. Export results in various formats. Share converted values directly.
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.
Allows users to perform basic arithmetic operations including addition, subtraction, multiplication, and division. It supports percentages, parentheses, and expression editing.
Calculate with , edit equations instantly, preview
Input allows users to speak equations for instant calculation and audio output. Tap to edit equation parts without backspacing. View equation components above the input and the result below. Access calculation history and favorites for quick reuse.
Calculate mathematical expressions with infix notation, view full equations as they are typed. Customize themes to match personal style. Access via lock screen widgets. Use one-handed keyboard for larger devices.
Solve mathematical equations with AI-powered step-by-step guidance. Graph functions and analyze results. Perform complex calculations and receive real-time explanations. Export solutions and share results. Sync with devices for continued use.
Perform arithmetic and scientific calculations with dedicated calculators. Convert units between different measurement systems. Access multiple converters for currency, temperature, and more.