Calculus is a branch of mathematics that focuses on the study of change and motion. It is used to solve problems in many fields, including physics, engineering, economics, and medicine. The crossword solutions for the term 'calculus calculation' include VOL (3 letters), AREA (4 letters), SLOPE (5 letters), LIMIT (5 letters), EULER (5 letters), TARTAR (6 letters), and RENAL (5 letters). VOL stands for volume, which is the amount of space occupied by an object or substance. AREA is the measure of the surface of a two-dimensional shape. SLOPE is the rate of change between two points on a line. LIMIT is the maximum or minimum value of a function. EULER is a mathematical formula used to calculate the AREA under a curve. TARTAR is a type of calculus found on teeth. RENAL refers to the kidneys, which are responsible for filtering waste from the body.