# Runge's theorem

> English word · Proper noun

## Definitions
1. A certain approximation theorem in complex analysis.

## Etymology
Named after the German mathematician Carl Runge, who first proved it in the year 1885.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/runge-s-theorem