Perl's built-in logical operators, "and", "or", "xor" and "not" support 2-value logic. This means that they always produce a result which is either true or false. In fact perl sometimes returns 0 and sometimes returns undef for false depending on the...

Introduction Ternary or three-valued logic is a logic in which there are three truth values indicating true, false and some third value, often used to denote uncertainty or indefiniteness. Ternary logic within a system of reasoning has come up in phi...

Math::Logic::Ternary::Trit is the class for ternary logical values aka trits. This class has only three instances, representing ternary truth values: *true*, *false*, and *nil*. It also implements logical operators, conversions and the role defined b...

Nomenclature Method naming conventions for Math::Logic::Ternary::Word are as follows: Logical operators Elementary logical operators can be applied in two ways to word objects. Words can be treated as single trits, so that only their truth values (re...

This module defines an arbitrary precision ternary integer format and emulates some basic operations on numbers of this format. Number Format TAPI27 numbers are coded as sequences of variable length of 27-trit words. The first word is interpreted as ...

The role *Math::Logic::Ternary::Object* defines a common interface for trit container objects to retrieve individual trits, numerical values and a string representation. Classes consuming the role *Math::Logic::Ternary::Object* have to implement thes...

This module defines an 81-trit floating point format and emulates some basic operations on numbers of this format. Number Format TFP_81 numbers are coded as 81-trit words with a mantissa of 72 trits followed by an exponent of 9 trits. The mantissa st...

This module defines an arbitrary precision ternary integer format and emulates some basic operations on numbers of this format. Number Format TAPI_9 numbers are coded as sequences of 9-trit words (nonets) of variable length. The first nonet is interp...

This module provides ternary logic operations on native perl expressions. Ternary truth values are 1 (or anything evaluating in Perl as true, except unblessed code references), the empty string (or anything evaluating in Perl as false but defined), a...

*tcalc* "tcalc($word_size, $mode)" takes a word size, creates a calculator state object with words of the given size and a session object acting on the state object, and it runs the session interactively. The numerical mode parameter is optional. It ...

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Math::BigInt provides support for arbitrary precision integers. Overloading is also provided for Perl operators. Input Input values to these routines may be any scalar number or string that looks like a number and represents an integer. * Leading and...

This module is designed for 3d vector math common to engineering problems such as manipulating finite element data (forces and geometry), calculating moments or perpendicular vectors using cross products, etc. The API is intended to be minimal and in...