Ada Programming/Libraries/Ada.Decimal

is a unit of the Predefined Language Environment since Ada 95.

Specification
Pure Decimal Max_Scale   implementation_defined Min_Scale   implementation_defined Min_Delta   100Max_Scale Max_Delta   100Min_Scale Max_Decimal_Digits   implementation_defined Dividend_Type Divisor_Type Quotient_Type Remainder_Type Divide Dividend       Dividend_Type Divisor        Divisor_Type Quotient      Quotient_Type Remainder     Remainder_Type Convention Intrinsic Divide AdaDecimal

Wikibook

 * Ada Programming/Libraries/Ada