decimalarvoin

Decimalarvoin is a term occasionally encountered in Finnish-language mathematical and data-analytic writing, used to refer to numbers expressed in decimal form. The word blends desimaal- (decimal) with arvo (value) and a functioning inflection, and is sometimes used to mean "decimal values" or "values in decimal representation." In formal Finnish, more common expressions are desimaaliluvut or desimaaliarvot; decimalarvoin is considered a neologism or project-specific terminology rather than standard.

A decimalarvo (plural decimalarvot) is any number written in base-10 with a fractional component, such as 3.14, 0.5, or 2.0. Decimalarvot can have finite decimal expansions (exact in decimal arithmetic) or, in theory, infinite expansions. In practical data work, decimalarvoin are managed with fixed precision or with decimal arithmetic to avoid rounding errors.

In computing and data analysis, decimalarvoin are represented either with decimal data types (which store base-10 fractions exactly) or with floating-point formats (which can introduce representation errors). The choice affects rounding behavior, summation accuracy, and comparisons. Common concerns include rounding modes (nearest, toward zero), precision limits, and the difference between decimal arithmetic and binary floating-point.

See also: desimaaliluvut, desimaaliarvot, floating-point, fixed-point, decimal arithmetic.