This calculator determines the nth octagonal number

This calculator has 1 input.

This calculator has 1 input.

- number
- an arithmetical value, expressed by a word, symbol, or figure, representing a particular quantity and used in counting and making calculations and for showing order in a series or for identification. A quantity or amount.
- octagon
- An eight (8) sided polygon

P = 8s - octagonal number
- property
- an attribute, quality, or characteristic of something