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.
by Yukio Tajima★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06
Calculate air , temperature, or pressure with instant results. Copy calculations to other apps. Includes formulas for reference. Supports up to 16 decimal places and various units for each input.
Calculate properties using Ohm's Law, current, power, voltage, resistance, and horsepower formulas for DC and AC circuits. Convert units between volts, amps, watts, and ohms. Determine power factor and RMS voltage. Estimate voltage drop in systems.
Track cryptocurrency prices in real time. View current rates for , Ether, Litecoin, and over 1000 other coins. Add and edit favorite cryptocurrencies to a watch list. Search for specific coins and filter by category.
Perform calculations with labeled numbers and visual connections. Edit expressions by dragging results or extracting sub-expressions. Automatically update linked values and view calculation history in real-time.
Calculate date differences between two dates. Determine end dates based on period and start date. Adjust inclusivity settings for both days or exclude the first day.
Perform basic arithmetic operations including addition, subtraction, multiplication, and division. View calculation history. Edit previous entries. Use free, real-time display for accurate results.
Calculate the using inputs for the longest side, shorter side, or combined length. Perform instant calculations with support for up to 16 decimal places and various units. Copy results to another and view the formula as a reference.
Perform calculations with a multitouch and spreadsheet interface. Copy numbers by tapping them and paste at the cursor. View and scroll through calculation history on the screen. Access real-time memory for stored numbers.
Calculate bills by entering individual item costs, total amount, tax, and optional tip. taxes proportionally based on purchases. Divide tips equally or customarily. Export receipts and share results directly.