muslims gave us mathematics...
so we could count the ways to exterminate the jews.
You better add Barry into that Bibi.
That's true , if you wanted to live in the 8th century>
They also gave us geometry.
But no civilized inventions since ... ??
Attribute it to inbreeding , dementia, and wife and children considered as 'property'
No matter, ...obviously, property is expendable when it comes to INVASION !
“Arabic” numerals were developed in India by the Hindus.
They spread to Europe from an Arabic text “On the Calculation with Hindu Numerals” from about 825.
https://en.wikipedia.org/wiki/History_of_the_Hindu%E2%80%93Arabic_numeral_system