The shou-wei hao-ma method is a lookup method for Chinese Characters developed between 1961 and 1965, it can also be used as an IME

Input method editor

An input method is an operating system component or program that allows any data, such as keyboard strokes or mouse movements, to be received as input. In this way users can enter characters and symbols not found on their input devices...

, for computer entry of Chinese character

Chinese character

Chinese characters are logograms used in the writing of Chinese and Japanese , less frequently Korean , formerly Vietnamese , or other languages...

s and related symbols.

It represents the first two and last two stroke

Stroke

A stroke, previously known medically as a cerebrovascular accident , is the rapidly developing loss of brain function due to disturbance in the blood supply to the brain. This can be due to ischemia caused by blockage , or a hemorrhage...

s as numbers 0-9, building a four-digit index number that enables a quick lookup. It is based completely on the structure of the character and not on any phonetic interpretation.

This method was popularized in Taiwan

Taiwan

Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

, with the publication of the Shou-Wei Hao-ma Dictionary, authored by Chen Sun-Chi and published in 1964. This lookup method is one of the fastest for foreigners to grasp. It provides Bopomofo

Bopomofo

Zhuyin fuhao , often abbreviated as zhuyin and colloquially called bopomofo, was introduced in the 1910s as the first official phonetic system for transcribing Chinese, especially Mandarin....

 phonetic, character phonetic/homophone

Homophone

A homophone is a word that is pronounced the same as another word but differs in meaning. The words may be spelled the same, such as rose and rose , or differently, such as carat, caret, and carrot, or to, two, and too. Homophones that are spelled the same are also both homographs and homonyms...

, CTC #, definitions, radical

Radical (Chinese character)

A Chinese radical is a component of a Chinese character. The term may variously refer to the original semantic element of a character, or to any semantic element, or, loosely, to any element whatever its origin or purpose...

 and strokes, synonym

Synonym

Synonyms are different words with almost identical or similar meanings. Words that are synonyms are said to be synonymous, and the state of being a synonym is called synonymy. The word comes from Ancient Greek syn and onoma . The words car and automobile are synonyms...

 and antonym

Antonym

In lexical semantics, opposites are words that lie in an inherently incompatible binary relationship as in the opposite pairs male : female, long : short, up : down, and precede : follow. The notion of incompatibility here refers to the fact that one word in an opposite pair entails that it is not...

and character phrases.