(mathematics) coproduct in some categories, like abelian groups, topological spaces or modules

(mathematics) The sum of the first n terms of an infinite series, where n is a finite number.

(mathematical analysis) Given a power series f(x)=∑ₙ₌₀ ᪲a_nxⁿ that is convergent for real x in the open interval (0, 1), the value lim _(x→1⁻)∑ₙ₌₀ ᪲a_nxⁿ, which is assigned to f(1)=∑ₙ₌₀ ᪲a_n by the Abel summation method (or A-method).

plural of sum total

(literally) A large amount of money. / (ironically) A small amount of money.

A summary.

(mathematics) The vector whose initial and final points are those of a series of other vectors laid end to end.

The union of a finite sequence of surfaces taken over a disk common to every adjacent pair of the sequence, such that the boundary of the disk comprises some even number of closed arcs, disjoint except at their endpoints, which are alternatingly subarcs of the two surfaces' boundaries.

(mathematics) The sum of ranks of members of a sample population

plural of sum-total