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package-algebra-js

Algebra package for the Fōrmulæ programming language.

Fōrmulæ is also a software framework for visualization, edition and manipulation of complex expressions, from many fields. The code for an specific field —i.e. arithmetics— is encapsulated in a single unit called a Fōrmulæ package.

This repository contains the source code for the algebra package. It contains functionality tu perform algebraic expression simplification.

Notice that creating a complete algebra system is not a trivial job. For now, this package includes a minimal set of operations, enought to perform operations with complex arithmetic.

The GitHub organization formulae-org encompasses the source code for the rest of packages, as well as the web application.

Simplifications

  • Double negatives: $--x = x$
  • Negative of an addition: $-(a + b +c) = -a - b - c$
  • Negative of a multiplication: $-(abc) = (-1)abc$
  • Addition of an addition: $x + (a + b + c) + y) = x + a + b + c + y$
  • Multiplication of mutiplication: $x(abc)y = xabcy$
  • Multiplication of negatives: $a(-b)c = (-1)abc$, $(-a)(-b) = ab$
  • Multiplication distributes over addition: $a(x + y) = ax + ay$