Ternary

Ternary (from Latin ternarius) or trinary is an adjective meaning "composed of three items". It can refer to:

== Mathematics and logic == Ternary numeral system, a base-3 counting system Balanced ternary, a positional numeral system, useful for comparison logic Ternary logic, a logic system with the values true, false, and some other value Ternary plot or ternary graph, a plot that shows the ratios of three proportions Ternary relation, a finitary relation in which the number of places in the relation is three Ternary operation, an operation that takes three parameters Ternary function, a function that takes three arguments