Perform complex calculations with scientific, engineering, and hexadecimal modes. Use RPN and multi-line display. Convert units and access constants. Undo and redo actions. Sync with Apple Watch for on-the-go calculations.
by TLA Systems Ltd.★ 4.7779 ratingsUtilities$9.99Data updated 2026-11-06
The app analyzes two-dimensional frame structures using the Direct Stiffness Matrix Method. It allows users to create, analyze, and understand structural behavior with a modern interface and powerful calculations.
Calculate percentages for markups, discounts, tax rates, and stock changes. Input values and get instant results. Perform complex calculations with a simple, intuitive interface. No ads or extra features.
Perform calculations for generators and UPS systems, including single and three-phase setups. Convert lumens to watts and calculate fuel consumption. Determine ampere values from kilowatts and kilovolt-amps.
Calculate pH, pOH, [H⁺], or [OH⁻] from any one value. Input concentration or ion activity to solve for missing variables. Automatically handles strong and weak acids/bases using provided Ka or Kb values.
Calculate weights using Imperial and Metric systems. Input dimensions and select type for accurate results. Choose from various shapes and materials. Perform quantity and joint calculations. Store and retrieve previous entries.
The app calculates using dates, times, years, days, hours, minutes, and seconds. It converts between these units and performs addition, subtraction, multiplication, and division.
Convert currency, calculate units, solve math problems
Allows users to convert currencies, units, and calendars. It calculates tips and discounts. Users can perform calculations for length, weight, and volume. The provides tools for financial and time-based conversions.
Perform complex calculations with functions and formula support. Use speech to input and receive answers, with full VoiceOver compatibility. Adjust button size and color for better visibility. Access high contrast mode for improved readability.
Perform arithmetic with mixed and decimals, including bracket operations. View results as , mixed numbers, or decimals. Scroll through a paper tape to review calculations, select, and copy entries. Email results for record-keeping.
Generate random numbers in decimal, hexadecimal, binary, or Roman numerals. Set ranges or specify digit counts. Filter for even, odd, or prime numbers. Exclude specific values. Copy results instantly. View generation history.