‎GEOMETRIES AFFINE, PROJECTIVE ET EUCLIDIENNE.‎

‎HERMANN. 1983. In-4. Broché. Etat d'usage, Couv. défraîchie, Dos satisfaisant, Intérieur frais. 386 pages illustrées de nombreuses figures dans le texte - Nombreuses annotations au stylo rouge et crayon sur les pages de garde et de titre et de quelques soulignements au stylo vert.. . . . Classification Dewey : 510-Mathématiques‎

‎ Classification Dewey : 510-Mathématiques‎

‎MATHEMATIQUES GENERALES - EXERCICES AVEC SOLUTIONS / AGRGATION INTERNE DE MATHEMATIQUES.‎

‎BREAL. 1991. In-4. Broché. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 510 pages illustrées de nombreuses figures dans le texte.. . . . Classification Dewey : 510-Mathématiques‎

‎ Classification Dewey : 510-Mathématiques‎

‎Leçons d’arithmétique rédigées conformément aux derniers programmes officiels. Deuxième édition.‎

‎ Paris, G.Masson 1877, 220x135mm, II- 307pages, reliure demi-basane. Auteur et titre dorés au dos. Bel exemplaire.‎

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‎Précis de géométrie descriptive.‎

‎Couverture rigide. Cartonnage de l'éditeur. 68 pages. Mouillure.‎

‎Livre. Editions G. Masson, 1882.‎

‎"GEOMETRIE - 3e - TRAVAUX DIRIGES/ COLLECTION ""COMPRENDRE""."‎

‎HATIER. 1990. In-4. Broché. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 63 pages - A COMPLETER.. . . . Classification Dewey : 372.7-Livre scolaire : mathématiques‎

‎ Classification Dewey : 372.7-Livre scolaire : mathématiques‎

‎"GEOMETRIE - 6e - TRAVAUX DIRIGES/ COLLECTION ""COMPRENDRE""."‎

‎HATIER. 1990. In-4. Broché. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 63 pages - Nombreuses figures bicolores in texte - A COMPLETER.. . . . Classification Dewey : 372.7-Livre scolaire : mathématiques‎

‎ Classification Dewey : 372.7-Livre scolaire : mathématiques‎

‎Sur certaines classes d'espaces homogènes de groupes de Lie‎

‎Bruxelles, Palais des Académies 1955 269pp., 25cm., dans la série "Académie royale de Belgique. Classe des sciences. Mémoires. Collection in-8°" tome 29 fasc.3, br.orig., non coupé, qqs.rousseurs sur tranches, texte en bel état, W73022‎

‎LE CALCUL MENTAL A LA PORTEE DE TOUS- LES SECRETS DES CALCULATEURS PRODIGES‎

‎LES PRODUCTIONS DE PARIS. 1960. In-8. Broché. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 261 pages- jaquette légèrement usée par le temps. Avec Jaquette. . . Classification Dewey : 510-Mathématiques‎

‎ Classification Dewey : 510-Mathématiques‎

‎Introduction to the Constructive Theory of Functions. ISNM Vol. 1.‎

‎ Basel, Birkhäuser Verlag 1963, 245x165mm, 127pages, editor's binding with jacket. Book in good condition.‎

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‎An elementary Treatise on Laplace's Functions, Lame's Functions, and Bessel's Functions.‎

‎London, Macmillan and Co., 1875. Orig. full cloth. Gilt lettering to spine. VIII,348 pp.‎

‎First edition.‎

‎TRAITE D'ARITHMETIQUE, A L'USAGE DES CLASSES DE SCIENCES DES LYCEES ET DES CANDIDATS AU BACCALAUREAT ES SCIENCES ET AUX ECOLES DU GOUVERNEMENT‎

‎Hachette. 1876. In-8. Relié demi-cuir. Etat d'usage, Coins frottés, Dos frotté, Quelques rousseurs. 284 pages. Titre et filets dorés sur le dos. Couverture frottée. Quelques annotations au crayon dans le texte.. . . . Classification Dewey : 372.7-Livre scolaire : mathématiques‎

‎7e édition. Classification Dewey : 372.7-Livre scolaire : mathématiques‎

‎TRAITE ELEMENTAIRE D'ALGEBRE A L'USAGE DES ELEVES DES LYCEES ET DES CANDIDATS AU BACCALAUREAT ES SCIENCES ET AUX ECOLES DU GOUVERNEMENT - 5eme EDITION REVUE ET CORRIGEE - VENDU EN ETAT.‎

‎LIBRAIRIE HACHETTE ET CIE. 1875. In-8. Broché. Etat d'usage, Livré sans Couverture, Dos abîmé, Intérieur frais. 320 pages - page de titre desolidarisée - couverture de substitution - interieur correct.. . . . Classification Dewey : 372.7-Livre scolaire : mathématiques‎

‎VENDU EN ETAT. Classification Dewey : 372.7-Livre scolaire : mathématiques‎

‎Traité d'ARITHMETIQUE à l'usage des classes de sciences des Lycées et des candidats au baccalauréat ès sciences... 8e édition. Relié avec, du même auteur : Traité élémentaire d'ALGEBRE à l'usage des élèves des Lycées... 7e édition revue et corrigée.‎

‎ 1878 Paris, Hachette, 1878 et 1882, 2 ouvrages reliés en un volume in 8°, demi-basane noire, dos lisse orné de filets dorés, 282 et 318 pages ; frottis d'usage. ‎

‎ ...................... Photos sur demande .......................... ‎

‎Traité d’arithmétique à l’usage des classes de sciences des lycées et des candidats au baccalauréat ès sciences et aux écoles du gouvernement. Sixième édition.‎

‎ Paris, Hachette et Cie. 1874, 220x140mm, 296pages, reliure demi-basane. Rousseurs marginales. Auteur et titre dorés au dos, plats papier marbré. Bel exemplaire.‎

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‎Traité de géométrie élémentaire à l’usage des élèves des lycées et des candidats au baccalauréat ès science et aux écoles du gouvernement. 11édition ‎

‎ Paris, Hachette 1885, 220x135mm, 500pages, reliure demi-basane. Plats papier marbré. Auteur et titre dorés au dos. Bel exemplaire.‎

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‎Traité élémentaire d’algèbre à l’usage des élèves des lycées et des candidats au baccalauréat ès science et aux écoles du gouvernement. Septième édition revue et corrigée.‎

‎ Paris, Hachette et Cie. 1882, 225x140mm, 318pages, reliure demi-basane. Plats papier marbré. Auteur et titre dorés au dos. Bel exemplaire.‎

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‎Les Principes de la Théorie Électromagnétique et de la Relativité‎

‎Masson & cie 1959 in8. 1959. Cartonné.‎

6 Images

‎Très Bon Etat de conservation intérieur propre bonne tenue‎

‎"ARCHIMEDIS - NUMERO SPECIAL ""PIE"" - SUPPLEMENT AU PETIT ARCHIMEDE N°64-65."‎

‎LE PETIT ARCHIMEDE. 1980. In-8. Broché. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 289 pages - nombreuses figures en noir et blanc dans le texte - dépliant sur le 1er contre plat.. . . . Classification Dewey : 510-Mathématiques‎

‎Sommaire : préambule en guise de mode d'emploi - historique - l'affaire du papyrus ou la diminution du neuvième - a propos du papyrus Rhind - archimède 287-212 avant J.C - Viète 1540-1603 - Descartes 1596-1650 - solides de révolution vers la démarche de Wallis - formules Wallis Stirling - Gregory 1638-1675 - Leibniz 1646-1716 - Newton 1642-1727 - Euler 1707-1783 - pie et les séries de Fourier - le nombre pie et les fractions continues - les nombres de Liouville - pie dans nos classes - le grenier - la chasse aux décimales - les décimales de Pie et la statistique ETC ... Classification Dewey : 510-Mathématiques‎

‎Du boulier à la révolution numérique - algorithmes et informatique - Collection le monde est mathématique.‎

‎Rba. 2019. In-8. Relié. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 151 pages - nombreuses illustrations, figures en noir et blanc dans le texte.. . . . Classification Dewey : 510-Mathématiques‎

‎Collection le monde est mathématique - Préface de David Auger. Classification Dewey : 510-Mathématiques‎

‎Sur la constuction des machines algébriques. Extrait de la Revue de Mécanique, nos de septembre-octobre 1901. - [THE BIRTH OF COMPUTING - TORRES QUEVEDO'S CALCULATING MACHINES]‎

‎Paris, 1901. Small folio. Original printed wrappers. The fragile wrappers have been expertly restored along the edges. A stain to back wrapper, a closed horizontal tear, and spine re-enforced. A bit of soiling and discolouration. With a library-label to top of front wrapper, from the Bibliothèque des professeurs St-Stanislas, Mons, of which there is a book-plate to half-title and a stamp to title-page. Wrappers loose. Internally some brownspotting and finely restored marginal chipping, far from affecting text. 32 pp. Richly illustrated.‎

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‎Exceedingly scarce original offprint of Torres y Quevedo's publication of his seminal algebraic machines, constituting a milestone in computing history. In this thoroughly illustrated publication, Torres y Quevedo explains the construction and operation of the first accurate calculating machines, following his explanation of them before the French Academy of Sciences earlier the same year. ""At the end of the nineteenth century, several analog machines had been proposed for solving algebraic equations. These machines -based not only on kinematics principles but also on dynamic or hydrostatic balances, electric or electromagnetic devices, etc.- had one important drawback: lack of accuracy. Leonardo Torres was the first to beat the challenge of designing and implementing a machine able to compute the roots of algebraic equations that, in the case of polynomials of degree eight, attained a precision down to 1/1000. The key element of Torres' machine was the endless spindle, an analog mechanical device designed to compute log(a +b) from log(a) and log(b). This short account gives a detailed description of this mechanism."" (Federico Thomas: A Short Account on Leonardo Torres' Endless Spindle). Leonardo Torres y Quevedo (1852 -1936), civil engineer and mathematician, was a one of the most important Spanish inventors of all time. Although little known outside of Spain and France in his life-time, he was an inventor of the utmost importance and would later be recognized as one of the most significant inventors of the beginning of the twentieth century. Apart from pioneering accurate automated calculation machines, he was also a pioneer in the development of the radio control, the inventor of a chess automaton (the first decision-making automaton), an innovative designer of the three-lobed non-rigid Astra-Torres airship as well as the Whirlpool Aero Car located in Niagara Falls, and with his Telekine, he created wireless remote-control operation principles.""Leonardo Torres was probably the most eminent Spanish engineer in the first half of the 20th century. He had a great influence, truncated by the Spanish Civil War, in the development of automatic control in Spain. As Randell points out in, we can only speculate on what might happened if Torres' writings had become better known to the English-speaking world. For instance, he qualifies Torres' paper Essays on Automatics as ""a fascinating work which well repays reading even today."" The paper contains what Randell believes to be the first proposal of the idea of floating-point arithmetic. It seems clear that Torres' contributions deserve much wider appreciation outside Spain"". (Federico Thomas: A Short Account on Leonardo Torres' Endless Spindle). ""Because of Torres Quevedo's work on analog machines, the Paris Academy of Sciences welcomed his ""Calculating Machines"" report in 1900. As a result, he was elected to the Academy of Sciences in Madrid in 1901, where he delivered a lecture on algebraic machines.The endless spindle was a critical component of the 8-term equation-solving computing machine. It created sums to answer the algorithm's central equation. The mechanism was the first of its sort, and it was the most intriguing and unique of Torres Quevedo's inventions.Torres Quevedo's calculating machine was both theoretically and practically groundbreaking. The endless spindle is a mechanical device that evaluates an expression's logarithm as the sum of numerous logarithms, overcoming the difficulty of reaching enough precision with an automatic set of parts."" (The History of the Computer) The algebraic machine of Torres was an analog computing device, featuring a mechanism based on cone-shaped pulley with a helical groove around it. The machine was used for the resolution of equations like: + Ax = B or + Ax = B. His publications marked the beginning of a new era in mathematical theory, and his contributions resulted in the creation of cutting-edge new machinery. ""Torres Quevedo's writings ushered in a new era in mathematical theory based on new concepts. His contributions led to the development of innovative new machines.He built a series of analog calculating machines to complement his theoretical work, all of which were mechanical."" (Torres Quevedo Museum - where another copy of the present offprint is displayed) ""Leonardo Torres (1852-1936), usually known as Leonardo Torres y Quevedo in Spanish-speaking countries, was a Spanish engineer and mathematician. He was president of the Academy of Sciences of Madrid, a member of the French Academy of Sciences, and famous-mainly in Spain and France- as a prolific and successful inventor... Some of the earliest Torres' inventions took the form of mechanical analog devices, considered of great originality, aiming at implementing what he called the Algebraic Machine. This machine had the ability of computing the values of arbitrary polynomial functions in one variable. Since it was an analogue machine, the variable could attain any value, not only a preestablished set of discrete values, contrarily to what happened, for example, with the celebrated Babbage's Difference Engine, an engine that used the method of finite differences to generate successive values of polynomial functions. In Torres' Algebraic Machine, all quantities were represented by means of angular displacements in logarithmic scale. Then, adding a counter to keep track of the number of turns, it was possible to compactly represent very large variations for all quantities. When the wheel representing the variable spun round, the final result was obtained as the angular displacement of another wheel that accumulated the addition of all involved monomials. When this result was zero, a root of the function was found. Using proper modifications, it was even possible to obtain the complex roots. The use of logarithms had two main advantages. Firstly, assuming that all absolute errors for the angular displacements were constant, all relative errors for the represented quantities were also kept constant. Secondly, the computation of monomials was greatly simplified. Actually, the logarithm of a monomial of the form aixi is an expression, ai+ilogx, that can be easily calculated using a differential transmission. Nevertheless, the use of logarithms had a number of disadvantages. It was necessary to introduce some transformations to ensure that all quantities were positive and, what was much more challenging, it was necessary to design a sophisticated mechanical device able to compute log(a +b) from log(a) and log(b) that would permit to accumulate the sum of all involved monomials. This device was the endless spindle. In 1893, Leonardo Torres presented, before the Academy of Exact, Physical and Natural Sciences, a memoir on his Algebraic Machine. In his time, this was considered an extraordinary success for Spanish scientific production. In 1895 the machine was presented at a congress in Bordeaux. Later on, in 1900, he would present his calculating machine before the Paris Academy of Sciences."" The present offprint, which richly illustrates, demonstrates, and presents his seminal calculating machines, was published after his presentation at the Academy of Sciences in Paris, and as he says in the preface to the present offprint ""the theoretical principles of these machines have very recently been exposed in a mémoire entitled ""Machines à calculer"" [See Tomash & Williams: T 47, printed 1902], presented by me at the l'Académie des Sciences, which should appear also in the ""Recueil des Savants étrangers."" (own translation from p. (5) ). This publication is of the utmost scarcity, and we can locate merely two copies of this offprint: at the Torres y Quevedo-museum in Spain, and at the Hungarian Academy of Sciences.‎

‎Sur les transformations et les valeur de plusieurs intégrales définies qui se rapportent aux surfaces et aux solidités des volumes.‎

‎Berlin, G. Reimer, 1843. 4to. In ""Journal für die reine und angewandte Mathematik, 26. Band, 4 Heft, 1843"". In the original printed wrappers, without backstrip. Fine and clean. [Tortolini:] Pp. 277-310. [Entire issue: Pp. 277-368, (2) + 1 plate.].‎

‎First printing of Italian Mathematician's paper on definit integrals relating to surfaces. Barnaba Tortolini was a 19th-century Italian priest and mathematician who played an early active role in advancing the scientific unification of the Italian states. He founded the first Italian scientific journal with an international presence, Annali di scienze matematiche e fisiche, and functioned a professor of mathematics at the University of Rome for 30 years.‎

‎"Principes de statistique mathématique (Collection ""monographies Dunod"")"‎

‎Dunod. 1967. In-12. Relié. Etat d'usage, Coins frottés, Dos fané, Papier jauni. 163 pages.. . . . Classification Dewey : 510-Mathématiques‎

‎"Collection ""monographies Dunod"". Classification Dewey : 510-Mathématiques"‎

‎OPTIQUE GEOMETRIQUE‎

‎Gauthier-Villars. 1934. In-8. Broché. Etat d'usage, Couv. légèrement passée, Dos abîmé, Intérieur acceptable. 300 pages. Illustré de nombreuses figures en noir et blanc dans le texte. Dos taché.. . . . Classification Dewey : 510-Mathématiques‎

‎Rare. Cours de Physique, Classes de Mathématiques spéciales. Préface de M. Ch. Fabry. Classification Dewey : 510-Mathématiques‎

‎Itinéraire Mathématique. Cours préparatoire, Programme 1970.‎

‎NATHAN Fernand. 1973. In-8. En feuillets. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 64 pages. Nombreuses figures et dessins en noir et blanc.. . . . Classification Dewey : 372.7-Livre scolaire : mathématiques‎

‎Classements, Rangements, Découverte du Nombre. Classification Dewey : 372.7-Livre scolaire : mathématiques‎

‎ITINERAIRE MATHEMATIQUE - COUS PREPAPRATOIRE/PRORAMME 1970‎

‎FERNAND NATHAN. 1970. In-8. En feuillets. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. environ 25 feuilles d'exercices en noir et blanc - quelques annotations en couleurs n'altérant pas la lecture. . . . Classification Dewey : 372.7-Livre scolaire : mathématiques‎

‎ Classification Dewey : 372.7-Livre scolaire : mathématiques‎