Juan Gutiérrez de Gualda
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| Born | 16th century
probably Gualda in Cifuentes, Guadalajara, now Spain
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| Died | 16th century
unknown place
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| Fields | Mathematics |
Juan Gutiérrez de Gualda (16th century) was a priest and mathematician known to be the author of a popular book on arithmetic.
Nothing is known about his life except he was the priest of Villarejo de Fuentes, province of Cuenca.[1]
Gutiérrez is known by his book on arithmetic which was very successful in his times: Arte breve y muy provechoso de cuenta castellana y arismética (Toledo 1539).[2] The book was reedited not less than five times in 16th century.[3] It consist in a short arithmetic for merchants,[4] very basic, which only contains forty pages and practically only explains the four rules and few more.[5] The book is an example of the transition from roman numeralstoarabic numerals because it resolves the problems with arabics (quenta arismetica), but it gives his expression in romans (quenta castellana).[6] His success was in big part due to the fact that Juan de Yciar included it as an annex of his book on calligraphy from 1564.[5]
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