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 2026-11-02
Perform calculations with basic and scientific modes. Switch between portrait and landscape views. Display calculation steps and use a voice-activated . Customize keyboard layout and choose from two skins.
Perform complex calculations with a supporting trigonometry and Bessel functions. Access over 80 mathematical functions and quick references for basic operations. Solve equations efficiently for engineering tasks.
Calculator displays calculations in real-time and saves a history accessible by swiping up. It handles fractions, converting between proper, improper, and mixed formats. It supports degrees, minutes, and seconds for angle input.
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.
Calculate conduit bends with offset and 90-degree tools. Determine stub-ups, kicks, and compound angles. Create three and four-point saddles for obstacle navigation. Access NEC-compliant calculations and field-tested utilities for work.
Allows users to perform basic calculations with a large, easy-to-use interface. It includes a tape for reviewing entries, adding comments, and timestamping transactions.
Access structural engineering tools including beam and truss calculators, frame analysis, and section databases. Generate wind and snow loads. View and manage models with 3D rendering. Convert units and design base plates and retaining walls.
The app converts numbers between binary, hexadecimal, octal, and decimal formats. It includes functions for bit shifting, adding one, and subtracting one, with an optimized keyboard for input.
Calculate reconstitution volumes using water estimates. Determine mixing ratios for various sequences. Perform bacteriostatic water calculations for stability. Input molecular weights and concentrations for accurate results.
Solve math problems with basic and complex calculations. Convert units and exchange currencies. Use fractions and square root functions. Perform calculations quickly and accurately.
Simulate the HP-45 scientific calculator with photo-realistic design and animated keys. Perform all original functions and operations. Access a secret stopwatch. Adjust processing speed between real-time and simulated.
Calculate financial transactions with Tax+/- keys and edit paper tape history with comments. Add numbers, track receipts, create invoices, and compute percentages. Export paper tape via email or cloud services.
Simulate the HP-34C calculator with photo-realistic graphics. Perform integration and root finding calculations. Access extended functions and improved speed. Navigate using on-screen buttons and keyboard input. Save and recall values.
Calculate area, perimeter, and square-up using length, width, and height. Convert measurements between yards, feet, inches, fractions, and decimals. Perform unit conversions for math tasks.
Calculate electrical power for single phase systems by converting between , , and . Input values to solve for unknowns. Support for three phase calculations including kilowatts, , , and power factor.
Allows conversion between Hex, Decimal, Octal, Binary, and Dozenal values. Features include large buttons for accurate input, a large display for readability, and gesture-based copy/paste functionality.
Measure and areas by drawing paths or closing loops. Switch between metric and imperial units. Undo drawings as needed. View standard or satellite maps. Export measurements as KML files for use in Google Earth and other mapping apps.
Calculate with formulas and swipe between calculators
A calculator displays formulas during calculations. Users can switch between seven calculators by swiping. Perform basic and advanced math operations. Store and reuse calculation history. Adjust display settings for different modes.
Perform calculations a large, easy-to-press button layout. Display results in clear, readable text. Includes a cat animation for visual appeal. Share results via social media or email. View calculation history.