While Excel will only display 15 digits, its value for pi is correct to
almost 17 digits. To 17 digits, Excel's value for pi is
3.1415926535897931
compared to the actual 17 digit approximation to pi of
3.1415926535897932

Jerry

"Shane Devenshire" wrote:

....
PI has been calculated to 2 billion digits, probably more by now, but Excel
is not prepared for more than 15.
....