Photon Calc app icon

Apps Like Photon Calc for iPhone and iPad

Calculate energy and transmission

Displays cross sections for gamma/x-ray photons, fluorescence, and edge energies. It calculates transmission and attenuation for any energy. Information includes atomic number, mass, density, and energy values.

by Black Cat Systems★ 5.01 ratingsReference$2.99Data updated 2026-09-08
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Ranked alternatives

Showing 821–840 of 1,000 ranked alternatives.

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    Italian Code of Laws

    Alessandro La Rosa

    Italian law codes fully offline.

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    Timecode Calculator

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    Calculate video timings in multiple formats.

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    ★ 0.00 ratingsPhoto & Video$6.99Data updated 2026-10-08
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    Battery Calculator

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    Calculate life and size

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    SRCvolunteer App

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    Access volunteering and training opportunities

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How we rank alternatives

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