A stony concretion that forms in a bodily organ.
Differential calculus and integral calculus considered as a single subject; analysis.
Deposits of calcium phosphate salts on teeth.
Any formal system in which symbolic expressions are manipulated according to fixed rules.
A decision-making method, especially one appropriate for a specialised realm.
The process of forming stone-like deposits or calculi formed in an internal organ, such as a gallstone in the gall bladder.