Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

XLII Screenshots

iPad

iPhone

About XLII

XLII - Explore Numbers and Numerals help you learn about, discover, and explore number and numerals from around the world, ranging from familiar Roman numerals to the ancient Kharoṣṭhī script. You even can use your camera to scan numbers and convert them to an interesting output format.

To achieve full immersion, use the XLII Clock widget to display the current date and time in a number format of your choosing directly in your Home Screen.

XLII - Explore Numbers and Numerals supports:
- Arabic numerals (naturally)
- Roman numerals
- Japanese numerals (including financial notation)
- Babylonian Cuneiform numerals (base 60)
- Aegean numerals (Linear B script)
- Chinese counting rods (籌)
- Egyptian Hieroglyphs
- Suzhou numbers (蘇州碼子)
- Phoenician numbers
- Kharoṣṭhī numerals
- Brahmi numerals
- Glagolitic numerals
- Cyrillic numerals
- Ge'ez numbers
- Sundanese numbers
- Tibetan numbers
- Mongolian numbers
- hexadecimal, binary, octal, vigesimal, etc.
- spell-out notation for many languages

Most formats are also accepted as input, e.g. you can convert from Roman to Cyrillic, from Ge'ez to binary, or from Japanese to Babylonian. Some (ancient) formats don't support large numbers.

What's New in the Latest Version 1.0.4

Last updated on Sep 20, 2023

Old Versions

- iOS 17 compatibility

Version History

1.0.4

Sep 20, 2023

- iOS 17 compatibility

1.0.3

Sep 10, 2022

- iOS16 compatibility

1.0.2

Mar 17, 2022

improved the handling of '0' for some scripts / numerals

1.0.1

Mar 8, 2022

- number input for non-latin scripts using software keyboards
- improved number recognition using OCR
- number recognition in still images
- added Sundanese, Tibetan, and Mongolian numbers
- bug fixes and performance improvements

1.0

Mar 2, 2022

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