At the same time, the Chinese were indicating negative numbers by drawing a diagonal stroke through the right-most non-zero digit of the corresponding positive number's numeral.
Dǎɣ azaman iyan, chinoitan saknen imaɗinan əndarətnen ad assərad ən tassəret ən tədnaɣ as maɗin waren eɣshed ibret hulen ən aɣil ən adin wan maɗin maqaran anhəjan.