meaning of yield in the english dictionary yield in british english yieldverb yield verb produce the investigation yielded some unexpected results favourable weather yielded a good crop the process yields oil for industrial use burning waste yields energy that can be used for electric power or heating
The number Ï is a mathematical constant, the ratio of a circle 's circumference to its diameter, commonly approximated as 3.14159. It has been represented by the Greek letter  Ï  since the mid-18th century, though it is also sometimes spelled out as  pi  (/paÉª/).he symbol used by mathematicians to represent the ratio of a circle's circumference to its diameter is the lowercase Greek letter Ï, sometimes spelled out as pi. In English, Ï is pronounced as pie (/paÉª/ , paÉª).
Pi began being symbolized by the pi symbol (Ï) in the 1706 by the British mathematician William Jones. Jones used 3.14159 as the calculation for pi. Pi r squared. In basic mathematics, pi is used to find area and circumference of a circle. Pi is used to find area by multiplying the radius squared times pi, or. So in trying to find the area of a circle with a radius of 3 centimeters, Ï3 2 = 28.27 cm.