Uniwidth typeface

[1][2] The idea of a uniwidth typeface dates back to the days of hot metal typesetting, when the duplex matrices on Linotype machines allowed for two font styles to be used, but required them to be of the same width.

[3] A common combination was regular and italic for printing body text, or regular and bold, but Linotype also offered more unusual combinations, such as a serif text face duplexed with a bold sans-serif for emphasis.

[4] Modern computer uniwidth typefaces are useful on tightly designed user interfaces (UIs).

Tabular figures are excluded not only for this reason, but also because they only cover a small part of the font.

[6] Prominent font designer Lucas de Groot has written "I am opposed to the uniwidth concept, because letter shapes suffer by definition.