María Andresa Casamayor de La Coma was born in Zaragoza on St. Andrew's Day years ago in . Correos dedicates a Premium Sheet to her that it put on sale on June . Its postal value is . euros that is that of ordinary letters and postcards destined somewhere in Europe including Greenland. Correos introduces the chosen image on its tribute stamp to María Andresa Casamayor de La Coma in this way: «The stamp that remembers the birth of this incredible woman so ahead of her time and with unusual interests shows a blurry feminine image a kind of mirage as was her literary authorship most of the time. A hand that traces numbers with white chalk completes the design that wants to enhance the work of this woman of science her and all those who reached great scientific milestones who are reaching them and who of course will reach them.
María Andresa an enlightened mathematician María Andresa was born in Zaragoza into a wealthy family dedicated to the textile trade. She was the seventh of the nine children of the French merchant Juan Joseph Casamayor and the Zaragozan Juana Rosa UAE Phone Number de La Coma also of French descent. She probably received formal education at home along with the rest of her sisters and brothers. At only years old María Andresa wrote the manual on arithmetic Tyrocinio arithmetico Instruction of the four plain rules Zaragoza: Joseph Fort . She would later get “El para si solo” by Casandro Mamés de la Marca y Arioa. Speculative and practical news about numbers use of Root tables and general rules to respond to some demands that these tables are resolved without algebra a manuscript of advanced arithmetic that was never published.
The 'Tyrocinium' The Tyrocinio arithmetico Instruction of the four simple rules is a practical arithmetic manual that contains numerous examples and real cases to directly learn the use of the four basic rules: addition subtraction multiplication and division. In its lines a rigorous knowledge of the units of length weight and currency and their equivalences so necessary for commercial transactions of the time is also evident. At that time many regions had their own units of measurement which made trade between relatively close towns difficult. For example in Aragon wines were measured by nietros that is jugs which were equivalent to . liters in the province of Huesca and . liters in Zaragoza. A jug weighed pounds the Aragon wine jug was equivalent to cuartillos and twelfths of Castile the Castilian cuartillo weighed ounces and the Castilian jug that is cuartillos corresponded to a jug cuartillos one ounce arienzos and grains of Aragon.
發表於 2024-3-9 19:57:17
