alleryWho is credited with the first systematic use of variables?
AFrançois Viète
BLeonhard Euler
CDonald Knuth
DMichael Stifel
Answer & Solution
Correct answer: A. François Viète
1. The systematic use of symbols for unspecified numbers is attributed to Viète (1540 to 1603).
2. Euler later standardised many notations, and Knuth made TeX.
3. Stifel introduced the term exponent instead.
_Source: Wikipedia, Mathematical notation, Modern notation_
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