# فِي ٱللُّغَةِ ٱلْإِنْجْلِيزِيَّةِ:
### اسم

arithmetics
* صِيغَةُ جَمْعٍ مُفْرَدُهَا [[arithmetic]]
    There is decimal arithmetic and binary arithmetic. In fact, there are an infinite number of arithmetics of different bases.