In solving the Basel Problem, Euler made use of the Newtonian formulae for converting an infinite summation series into an infinite product series. These Newtonian formulae can be found on pages 358-359 of vol 5 of D.T. Whiteside's Mathematical Papers of Isaac Newton.

## Basel Problem

In solving the Basel Problem, Euler made use of the Newtonian formulae for converting an infinite summation series into an infinite product series. These Newtonian formulae can be found on pages 358-359 of vol 5 of D.T. Whiteside's Mathematical Papers of Isaac Newton.