Arithmetic

Checks if a progression is arithmetic or not. An arithmetic series is the sum of a sequence in which each term is computed from the previous one by adding (or subtracting) a constant d:

ak=ak-1+d=...=a1+d(k-1)

Syntax

arithmetic?(Progression)
arithmetic?(Expression, Identifier)

Description

Given a progression, returns a list. If the progression is not arithmetic, the list just contains an element: false. Else, the list has two elements: true and the value dLaTeXd, following the notation above.

arithmetic.arithmetic1.calc.png

Given the expression of the general term and the variable, returns a list. If the progression given by the expression is not arithmetic, the list just contains an element: false. Else, the list has two elements: true and the value dLaTeXd, following the notation above.

arithmetic.arithmetic2.calc.png