bi'o _BIhI cmavo

non-logical interval connective: ordered from ... to ...

In notes:

bi'oi (exp!): non-logical interval connective: ordered interval with specified endpoint/terminus x₁ and signed measure/length/duration x₂; interval between x₁ and x_{1 + x} according to the ordering of the space.
bi'oi'au (exp!): digit/number: interval/range indicator for significant digits (determined by lesser endpoint).
ju'au: semi-mathematical binary operator: named number base operator/interpreter
kulcitsi: ci₁ is a term/semester with interval ci₂ of year ci₃ for school ck₁.