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
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RPN-45 HD screenshots

Ranked alternatives

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    dB Calculator

    Rohde & Schwarz GmbH & Co. KG

    Calculate dBm and voltage levels

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    ★ 4.33 ratingsProductivityFreeData updated 2026-09-08
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    OCR.net

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    Datum

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    ★ 5.03 ratingsUtilities$2.99Data updated 2026-09-06
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  16. Trademark247 app icon

    Trademark247

    Intelium Corp.

    Search trademarks and track filings

    Perform trademark searches using keywords, classes, registration dates, serial numbers, company names, or correspondents. Access over 7 million US trademarks dating back to 1823. Sync daily with USPTO for updated records.

    ★ 5.02 ratingsBusinessFreeData updated 2026-09-09
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