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than anything else, was constructed in such a way that you could spy on others while taking a drink. The device's 45-degree angle mirror had a stylized opening for the lens. The goblet had a cup made of glass where images could be seen. The lid bore a magnifying lens at the
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has written that the work contains "a full recognition of the importance of notation and an almost reckless eagerness to introduce an exhaustive set of symbols..." Hérigone may have been the first to introduce the mathematical symbol to express an
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and logical notation. It has been said that "Hérigone introduced so many new symbols in this six-volume work that some suggest that the introduction of these symbols, rather than an effective mathematics text, was his goal."
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The lens and mirror of this dinner table device for spying was situated at the base of the goblet's stem and served to project a real-time image onto the ground glass screen in the cup of the goblet.
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Cursus mathematicus, nova, brevi, et clara methodo demonstratus, per notas reales et universales, citra usum cujuscunque idiomatis intellectu faciles
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were supplied by the memorizer: 1 (t, d), 2 (n), 3 (m), 4 (r), 5 (l), 6 (j, ch, sh), 7 (c, k, g), 8 (f, v, ph), 9 (p, b), 10 (z, s). (see article
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Hérigone served on a number of scientific committees, including one set up to determine whether
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61:(published in Paris in six volumes from 1634 to 1637; second edition 1644), a compendium of
273:"Symbolic language in early modern mathematics: The Algebra of Pierre Hérigone (1580–1643)"
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In Hérigone's work, we find the earliest written examples of mathematical terms.
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from the Moon's motion was practical. Members of this committee included
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200:(Chapter 6, page 113). Hérigone did not depict his goblet, but
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He also introduced the upside-down "T" symbol (⊥) to express
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work dated 1570. Hérigone himself used the spelling
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342:Earliest Uses of Symbols of Operation and Grouping
208:(1685). Hérigone's goblet-camera obscura, more a
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151:were assigned to different numbers, while the
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271:Esteve, Ma Rosa Massa (November 2008).
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147:for remembering long numbers in which
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120:The symbol denoting perpendicularity
204:would illustrate the design in his
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16:French mathematician and astronomer
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367:17th-century French astronomers
184:Hérigone and the camera obscura
143:Hérigone also created a number
124:In regards to the notation for
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372:17th-century French inventors
322:Biography of Pierre Herigone
45:origin, Hérigone taught in
30:) (1580–1643) was a French
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157:Herigone's mnemonic system
290:10.1016/j.hm.2008.05.003
382:French number theorists
228:scheme for determining
192:, Hérigone describes a
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49:for most of his life.
226:Jean-Baptiste Morin's
166:, an archaic form of
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387:French-Basque people
332:Mathematical symbols
305:"Universal Language"
277:Historia Mathematica
254:is named after him.
190:Cursus mathematicus
337:Universal Language
243:He died in Paris.
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246:The crater
202:Johann Zahn
65:written in
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248:Herigonius
36:astronomer
230:longitude
126:exponents
89:less than
24:Latinized
149:phonemes
145:alphabet
316:Sources
250:on the
210:novelty
188:In the
174:English
198:goblet
153:vowels
67:French
43:Basque
258:Notes
91:."
85:angle
71:Latin
53:Works
47:Paris
252:Moon
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