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.
RPN-45 HD screenshots
Ranked alternatives
Showing 961–980 of 1,000 ranked alternatives.
StitchBuddy
Matthias Arndt
Edit designs, preview, and convert files
Organize and manage embroidery designs on Mac. Preview, rotate, flip, and resize parts or entire designs. Delete or copy stitches to combine files. Center designs in hoops. Add basting stitches. Convert and modify file formats.
NAK T-100 Audio Analyzer
Chen Wang
Analyze and measure signals
Analyze analog devices with 7+ measurements including frequency response, distortion, and noise. Connect via USB. Export results as reports. Compare measurements against standards. Monitor real-time signals.
EarthMeter
Hartwig Wiesmann
Calculate distances and areas on Earth.
The app calculates distances, areas, and circumferences using algorithms that account for the Earth's curvature. It also converts position coordinates between different coordinate systems and supports various geodetic datums and projection methods.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.