iOS App

NumJam: The Musical Calculator

NumJam turns a calculator into a playable musical instrument. Tap classic or scientific calculator buttons, trigger notes, switch sounds, record MiniPlay performances, and use the calculator as a fast music pad for patterns, rhythm, and quick math.

Core Features

• Classic calculator for everyday math
• Musical note playback mapped to calculator keys
• Free instrument sounds with an optional mute control
• iPhone and iPad layouts designed for fast tapping
• Optional note badges that can be enabled in Settings

NumJam Pro

• Scientific calculator
• Full instrument library
• Multiple calculator layouts on iPad
• Recording tools for calculator performances
• Save and replay MiniPlay recordings

App Store Review Links

• Support
• Privacy Policy
• Terms of Use (EULA)
• Apple Standard Licensed Application End User License Agreement

App Info

• App name: NumJam: The Musical Calculator
• Platform: iOS and iPadOS
• Developer: Le Nguyen