# Numerical approximation and error

This English edition is an AI candidate and does not yet have an OCME Atlas (GPT-6) Twin closure receipt.

[Catalogue presentation and source-binding data](https://ocme.evemisslab.com/data/i18n/catalogue.en.json)



## [Numerical approximation and error](https://ocme.evemisslab.com/en/atlas/atlas-numerical-approximation-error/)

Absolute error is the absolute difference between approximation and reference; relative error additionally requires a nonzero reference and divides by its absolute value.

atlas-numerical-approximation-error · canonical_mko

[Numerical approximation and error](https://ocme.evemisslab.com/en/mko/mko-numerical-approximation-error/)

## Prerequisite nodes


- [Real number](https://ocme.evemisslab.com/en/atlas/atlas-real-number/)
- [Absolute value](https://ocme.evemisslab.com/en/atlas/atlas-absolute-value/)
- [Ratio and proportion](https://ocme.evemisslab.com/en/atlas/atlas-ratio-proportion/)