RPN-45 HD app icon

Apps Like RPN-45 HD for iPhone and iPad

Calculate like a scientific calculator

Simulate the HP-45 scientific calculator with photo-realistic visuals and animated keys. Perform all original functions and operations. Access a secret timer for 12-hour or 100-hour intervals. Switch to Super-45 mode for enhanced capabilities.

by Willy Kunz★ 4.86 ratingsProductivity$2.99Data updated 2026-09-08

RPN-45 HD screenshots

Ranked alternatives

Showing 481–500 of 1,000 ranked alternatives.

  1. iformula app icon

    iformula

    Tobias Werner

    Math equations learning platform for students.

    The app provides a math learning platform with over 1000 math equations across various topics. It features search functionality, a notes system, and bookmarking for selected equations, with dual language support for English and German.

    ★ 4.01 ratingsEducationFreeData updated 2026-09-11
  1. Math is Easy - Prime app icon

    Math is Easy - Prime

    Xiaodong Zhu

    Change math into fun now.

    The app provides an equation solver and prime factorization tool. It calculates the greatest common factor, least common multiple, and generates random numbers for various uses.

    ★ 3.52 ratingsEducationFreeData updated 2026-09-24
  2. SuperClock - All in 1 Time App app icon

    SuperClock - All in 1 Time App

    长宇 林

    Set , track progress, switch screens

    Flip clock allows users to toggle between 24-hour and 12-hour formats. Add a pomodoro timer for focused work sessions. Choose from various white noise backgrounds. Adjust screen orientation settings. Display or hide weather information.

    ★ 5.01 ratingsUtilities$0.99Data updated 2026-10-02
  3. Alitove app icon

    Alitove

    shenzhen ELK Technology Co., Ltd.

    ★ 2.02 ratingsUtilitiesFreeData updated 2026-09-06
  4. PocketCAS: Mathematics Toolkit app icon

    PocketCAS: Mathematics Toolkit

    Timing Software GmbH

    Mathematics toolkit for iPhone and iPad.

    The app provides mathematical capabilities including 2D and 3D plotting, calculus, linear algebra, and equation solving. It also offers scripting, physical units, iCloud support, and export options.

    ★ 0.00 ratingsEducation$29.99Data updated 2026-10-20

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.