jan 1, 825 - "On the Calculation with Hindu Numerals" was written
Description:
 - This helped integrate Hindu-Arabic numerals in Europe. Without this, the basis of code would have been fundamentally different, using a different numbering system.
- Without this coding would have taken a riveting turn. Comparing values would be much  more difficult, as the values would be represented and translated in different ways.
- With a delay of Hindu-Arabic numerals in Europe, modern code would have taken longer to advance and create. 
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