What would you do? William Jones, a mathematician from Anglesey, was the first to use the π symbol for the Pi number. He realized that the number went on forever, so it needed a symbol.

Each year, on March 14, it's become traditional for numerophiles and mathematicians to pause and reflect on the most famous of irrational numbers, pi.

Today, using sophisticated computers, researchers have come up with trillions of digits for pi, but there is no end. It wasn’t given its name until 1706, when Welsh mathematician William Jones ...

researchers have come up with trillions of digits for pi after the decimal point, but there is no end. The number didn’t get its name until 1706, when Welsh mathematician William Jones began ...

wasn't introduced as a math constant until 1706 by William Jones, a British mathematician, according to National Day calendar. The first 50 digits of Pi are 3. ...

The value of the Pi was first calculated by Archimedes. The Pi symbol was introduced by William Jones, a Welsh mathematician, in 1706. In 1737, Leonhard Euler popularised the usage of the symbol.

Pi, of course, symbolizes the ratio of a ... In 1706, Welsh mathematician William Jones introduced the symbol before it was later popularized by Leonhard Euler.