The difference between Calculus and Tartar

When used as nouns, calculus means calculation, whereas tartar means a red compound deposited during wine making.

check bellow for the other definitions of Calculus and Tartar

Calculus as a noun (dated, countable):

Calculation; computation.
Calculus as a noun (countable, mathematics):

Any formal system in which symbolic expressions are manipulated according to fixed rules.

Examples:

"lambda calculus'"

"predicate calculus'"
Calculus as a noun (uncountable, often, definite, '''the calculus'''):

Differential calculus and integral calculus considered as a single subject; analysis.
Calculus as a noun (countable, medicine):

A stony concretion that forms in a bodily organ.

Examples:

"renal calculus'' ( = kidney stone)"
Calculus as a noun (uncountable, dentistry):

Deposits of calcium phosphate salts on teeth.
Calculus as a noun (countable):

A decision-making method, especially one appropriate for a specialised realm.

Tartar as a noun:

A red compound deposited during wine making; mostly potassium hydrogen tartrate - a source of cream of tartar.
Tartar as a noun:

A hard yellow deposit on the teeth.