[Pramāṇa](https://indike.org/pramana/) › [Foreign](https://indike.org/pramana/inf) › [Islamic world](https://indike.org/pramana/inf.isl) › [Arabic](https://indike.org/pramana/inf.isl.ar) › [Indian arithmetic and astronomy in Arabic](https://indike.org/pramana/inf.isl.ar.hisab) › كتاب الجمع والتفريق بحساب الهند # كتاب الجمع والتفريق بحساب الهند On Addition and Subtraction by Indian Reckoning The first Arabic treatise on decimal place-value arithmetic with the nine Indian figures and zero; lost in Arabic, known through the Latin 'Dixit Algorizmi' (Algoritmi de numero Indorum). - **Language:** Arabic - **Date:** 820–850 CE - **Author:** [Muḥammad b. Mūsā al-Khwārizmī](https://indike.org/pramana/person/khwarizmi) - **Text:** lost ## Translates - [Dixit Algorizmi (Algoritmi de numero Indorum)](https://indike.org/pramana/inf.la.medieval.numerals.dixit-algorizmi) --- Source: [https://indike.org/pramana/inf.isl.ar.hisab.hisab-al-hind-khwarizmi](https://indike.org/pramana/inf.isl.ar.hisab.hisab-al-hind-khwarizmi) · Pramāṇa