Q:
# Who Invented Pi?

**A mathematics teacher named William Jones is credited with first using the symbol π in 1706 to represent the concept of the ratio between a circle's circumference and diameter.** It had previously been ill-defined.

Prior to Jones' usage of the π symbol, the ratio of a circle's circumference and diameter was known as "the quantity which, when the diameter is multiplied by it, yields the circumference." William Jones first used the symbol in his book, "Synopsis Palmariorum Matheseos, or A New Introduction to the Mathematics." Jones believed, but could not prove, that pi was irrational. In 1761, Johann Lambert first proved that pi was an irrational number.

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Q:
## What Does Pi Stand For?

A: The number pi represents the ratio of a circle's circumference to its diameter. The ratio never changes for any circle. It is approximately valued at 3.14,... Full Answer >Filed Under: -
Q:
## Who Discovered Pi in Math?

A: We will probably never know who discovered pi, or that the ratio of the circumference of a circle to its diameter is a constant. The search for that consta... Full Answer >Filed Under: -
Q:
## What Is the Value of Pi?

A: The approximate value of pi, which is the ratio of a circle’s circumference to its diameter, is 3.14159265, according to Collins World English Dictionary. ... Full Answer >Filed Under: -
Q:
## What Is Pi in MATLAB?

A: The expression pi in MATLAB returns the floating point number closest in value to the fundamental constant pi, which is defined as the ratio of the circumf... Full Answer >Filed Under: