Discover numbers

Discover numbers from the past. From Sumerians, Babylonians, Egyptian hieroglyphs, and Hieratic, to Maya, Attic, and Romans.

Convert from "standard" decimal system to :
- Roman, additive or subtractive
- Attic
- Maya (standard dot and bar)
- Maya (2 symbolic sets)
- Hieratic
- Egyptian hieroglyphs
- Babylonians
- Sumerians (discret, seeds and consumables systems)

What’s New

Version 1.91

- iPhone 13 Pro Max
- iOS 15

App Privacy

The developer, Laurent Rodier, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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