# Expanded Form Calculator

> Write an integer or decimal as a sum of place-value terms.

Page: https://askcalculators.com/calculator/expanded-form-calculator/
Definition: https://askcalculators.com/calculator/expanded-form-calculator/definition.json
JSON Schema: https://askcalculators.com/calculator/expanded-form-calculator/schema.json
Version: 1.0.0
Maintained by: AskCalculators (software project; not a credentialed reviewer)
Qualified review: pending. Automated checks do not establish professional approval.
Page status: Live
Review status: Pending

## Use
Open the calculator page and enter values. Query-string parameters can restore and bookmark a calculation.
Example: https://askcalculators.com/calculator/expanded-form-calculator/?number=4072.305

## Inputs
- number: Number; type=text; required; default=4072.305

## Outputs
- expandedForm: Expanded form; format=text; primary
- wordedPowers: Power-of-ten form; format=text
- normalizedNumber: Normalized number; format=text

## Formula
each nonzero digit contributes digit × 10^place

## Rules
- Empty optional inputs are undefined, not zero.
- Hidden conditional inputs are ignored.
- Do not invent missing required inputs.