New posts in Math History

Historical origin of commas and periods in numbers

If we didn't have examples of irrational numbers, would we know they exist?

A "new" general formula for the quadratic equation?

Why did the Egyptians not represent $2/3$ as a sum of unit fractions in the Rhind papyrus?

A quote by Jacobi

Did Gosper or the Borweins first prove Ramanujans formula?

Why does a bijection from a set to itself deserve the name "Permutation"?

How has mathematics been done historically? [Book Reference Request]

Why are the trig functions versine, haversine, exsecant, etc, rarely used in modern mathematics?

Famous fractions: Can any "special" numbers be approximated by simple ratios like $3.14\ldots$ as $22/7$?