Perform complex calculations using RPN input. Access a wide range of scientific and programming functions. Customize skins and adjust key feedback settings. Input and edit equations with precise control. Save and retrieve programs for repeated use.
by Antonio Lagana★ 4.747 ratingsProductivity$7.99Data updated 2026-11-09
Calculate with scientific precision and enhanced functions
Simulate the HP-45 scientific calculator with photo-realistic visuals and original LED or LCD display. Print calculations, animate keys with sound and feedback, and replicate the calculator's computation times.
The app performs calculations with up to 15 digits of precision and supports a number range from -1E127 to 1E127. It includes a database of over 120 scientific constants that users can extend.
Set reminders for daily events and custom categories. Sort and share events. Customize reminder times and date settings. Repeat events with set cycles. Backup events to iCloud. Display completed events on the home screen.
Calculate measurements in feet, inches, and fractions. Convert between units and perform complex calculations. Store frequently used values and recall previous entries. Adjust for slope and pitch. Export results to email or cloud storage.
Offers basic, scientific, and programmer modes with history views. Users can share results via email or copy-paste values between apps. The supports iPhone, iPad, and iPod Touch devices.
The app offers a financial calculator with RPN entry and functions matching the HP-12C. It features visible financial registers, a two-line display, and program lines showing function names for easier use.
Solve equations and inequalities with advanced graphing. Trace functions and analyze intersections. Perform calculations, store variables, and use built-in math functions. Access a scientific calculator and explore interactive math concepts.
Perform basic math operations including addition, subtraction, multiplication, division, and percentage. Store and retrieve calculation results. Customize number, operator, parenthesis, and result colors. Enable touch sound for feedback.
The app provides two calculators: one using Standard Notation and another using Reverse Polish Notation. Both calculators are programmable and include finance and scientific functions, plus 45 physical constants.
Convert measurements between , , and centimeters. Input fractions or decimals for precise calculations. View results on a visual measure display. Perform addition, subtraction, multiplication, and division with measurement values.
The app provides standard scientific functions like roots, powers, and logarithms. It also includes features such as graph drawing, multiple memory blocks, constants, notes, and a history log.
Perform complex calculations with scientific, financial, and unit conversion tools. Access 10 financial worksheets for budgeting and planning. Switch between landscape and portrait modes. Save and export calculation results.
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.
Perform complex calculations with scientific formulas and unit conversions. Access calculation history via Spotlight and 3D Touch. Use widgets for quick access and history integration. Sync with Apple Watch for notifications and basic calculations.
Perform complex calculations with RPN and algebraic input. Handle arbitrary precision, complex numbers, and multiple bases. Work with vectors, matrices, and text. Solve equations symbolically and numerically. Graph functions and plot data.
Allows users to plot functions, polar, and parametric graphs. Users can edit equations in the graph editor and view graphs. Features include tracing, finding intersections and extrema, displaying derivatives, and adding tangents.