Le Nguyen Independent app developer
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NumJam

Musical calculator iPhone and iPad Utilities

A calculator you can play: every tap on the keypad triggers a musical note.

View on the App Store Get support

Listed on the App Store as “NumJam: The Musical Calculator”.

NumJam overview page

What it does

  • Classic calculator for everyday math
  • Free instrument sounds with a mute control
  • Optional note badges on the keys
  • NumJam Pro adds a scientific calculator, the full instrument library, and MiniPlay recordings

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