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

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RPN-45 HD screenshots

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