Any formal system in which symbolic expressions are manipulated according to fixed rules.
Differential calculus and integral calculus considered as a single subject; analysis.
Deposits of calcium phosphate salts on teeth.
A stony concretion that forms in a bodily organ.
A decision-making method, especially one appropriate for a specialised realm.
An abstract representational system studying numbers, shapes, structures, quantitative change and relationships between them.
A person's ability to count, calculate, and use different systems of mathematics at differing levels.