Jamshid al kashi biography of william

Jamshid al-Kashi was a great mathematician from Persia who lived in the 15th century.

He is known for his significant contributions to the field of mathematics, particularly in the areas of trigonometry and numerical analysis.

One of al-Kashi's most famous works is his computation of the value of pi to an unprecedented degree of accuracy.

Pi is a mathematical constant that represents the ratio of a circle's circumference to its diameter. Al-Kashi calculated the value of pi to 17 decimal places, which was a remarkable achievement at that time.

Another important contribution of al-Kashi is his advancements in trigonometry.

He developed new methods for calculating trigonometric functions and introduced improvements to existing mathematical tables. This work by al-Kashi helped to refine the study of triangles and angles, which is essential in various branches of math