Circle calculation is a mathematical process used to determine the various properties of circles such as area, circumference, radius, diameter, and more. However, there are several synonyms that can be used instead of the term circle calculation. One of the synonyms is circle metrics, which refers to the various measurements associated with circles. Another synonym is circular geometry, which encompasses the geometry and mathematical concepts related to circles. Some other synonyms for circle calculation include circular mathematics, circle analysis, and circular trigonometry. Regardless of the synonym used, circle calculation is an important mathematical process used in various fields and applications.