资讯

Nature1 年
The decimal point is 150 years older than historians thought
He introduces his decimal point when stating the amount that the user should add or subtract to calculate values that fall between one entry and the next. Tellingly, this is exactly how Clavius ...
NPR1 年
The decimal point was in use 150 years before previously thought, research shows
How did the decimal point come to be ... Obviously, they didn't have a calculator to compute these quantities, so they would have compiled tables for the sine, for instance.