# Author:François Viète

←Author Index: Vi | François Viète (1540–1603) |

French mathematician who pioneered the use in algebra of letters as parameters in equations |

## WorksEdit

**public domain** worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.