Convert units between different systems with a simple interface. Perform basic and advanced calculations. View and switch between time zones with an intuitive world clock.
by YUTA OKAJIMA★ 4.73 ratingsUtilitiesFreeData updated 2026-09-08
Convert across 43 categories including speed, time, length, volume, and temperature. Switch between hundreds of . Convert currency and fuel consumption. View conversion results directly. Sync with device for universal access.
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.
Allows users to perform basic and advanced calculations. It features a retro-modern design and supports scaling for iPhone and iPad screens. It works in split view and slide over modes.
Convert currencies with real-time exchange rates and support for 169 global currencies. Users can switch between major and minor currencies, view history, and save preferred pairs for quick access.
Calculate sales price or by inputting cost and desired profit percentage. Adjust variables to see real-time results. Save and share calculations for reference.
Write memos and perform calculations in a single interface. Enter arithmetic expressions for automatic computation. Use line breaks to create parentheses. Long-press lines to rearrange them.
Calculate , time, and distance for , walking, and cycling. Switch between units with a dedicated tool. Track activity metrics and view detailed statistics.
Calculate taxes including GST, VAT, and discounts. Input values to compute totals, markups, and percentages. Switch between light and dark themes. Export results and perform basic arithmetic operations.
The app supports unit symbols in calculations, providing answers in desired units. It includes physical constants and properties for elements, saving time on conversions and calculations.
Calculate Voltage, Current, Resistance, and Power using Ohm’s Law and ’s Law. Input values to solve for unknowns. Display results instantly. Includes formulas for calculations. Supports both direct and indirect circuit analysis.
Calculate dilution ratios for automotive . Enter container size and desired ratio to determine water and product amounts in ounces or milliliters. Learn about panel impact ratio and how to calculate it.
The app provides 44 thermodynamics and heat-transfer calculators, along with reference tables. It allows users to solve for any variable and switch between SI and USCS units instantly.
Offers basic and scientific calculation tools. Perform addition, subtraction, multiplication, and division with the basic . Use trigonometric functions, logarithms, and exponents in the scientific mode. Save and recall previous calculations.
Allows users to perform basic and advanced calculations. It records calculation history, takes notes, converts voice to text, shares calculations, and manages multiple equations simultaneously.
Perform complex calculations with support for real and complex numbers. Manipulate symbolic expressions and use over 225 built-in functions. Scroll through results with finger gestures. Copy and paste data for easy sharing.
Calculate impedance and transmission line parameters. Analyze signal integrity and loss. Convert between frequency units. Simulate circuits. Calculate antenna parameters and resonance frequencies. Perform S-parameter calculations.
Perform arithmetic with fractions, mixed numbers, and whole numbers. Execute addition, subtraction, multiplication, and division. Automatically simplify results to lowest terms. Display mixed fractions. View and reuse calculation history.
Convert cryptocurrency and fiat currencies with real-time exchange rates. Input amounts to calculate conversions. Track rates for over 100 fiat and thousands of cryptocurrencies. View historical data and compare prices across exchanges.