segunda-feira, 24 de março de 2014
domingo, 23 de março de 2014
sábado, 22 de março de 2014
Exercices de géométrie (problèmes et théorèmes). Énoncés et solutions développées des questions proposées dans les deux ouvrages de géométrie... par M. Ph. André. 2e édition -F.-E. André-Guédon (Paris)
DOWNLOAD WEBSITE ORIGINAL
http://gallica.bnf.fr/ark:/12148/bpt6k8742158/f12.image.r=geometrie EXERCICES.langEN
sábado, 15 de março de 2014
SPHERICAL TRIGONOMETRY For the Use of Colleges and Schools. WITH NUMEROUS EXAMPLES BY I. TODHUNTER, M.A., F.R.S., HONORARY FELLOW OF ST JOHN’S COLLEGE, CAMBRIDGE.
The Project Gutenberg eBook of Spherical Trigonometry, by I. Todhunter This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever.
You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at www.gutenberg.net Title: Spherical Trigonometry For the use of colleges and schools Author: I. Todhunter Release Date: November 12, 2006 [EBook #19770] Language: English Character set encoding: TeX *** START OF THIS PROJECT GUTENBERG EBOOK SPHERICAL TRIGONOMETRY *** Produced by K.F. Greiner, Berj Zamanian, Joshua Hutchinson and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by Cornell University Digital Collections)
DOWNLOAD BOOK Projeto Gutenberg
http://www.gutenberg.org/ebooks/19770
quinta-feira, 13 de março de 2014
quarta-feira, 12 de março de 2014
Smogorzhevsky A.S. Lobachevskian geometry (Mir, 1982)
The aim of this book is to acquaint the reader with the
fundamentals of Lobachevsky's non-Euclidean geometry.
The famous Russian mathematician N. I. Lobachevsky was an
outstanding thinker, to whom is credited one of the greatest
mathematical discoveries, the construction of an original geometric
system distinct from Euclid's geometry. The reader will find
a brief biography of N. I. Lobachevsky in Sec. 1.
Euclidean and Lobachevskian geometries have much in common,
differing only in their definitions, theorems and formulas as
regards the parallel-postulate. To clarify the reasons for these
differences we must consider how the basic geometric concepts
originated and developed, which is done in Sec. 2.
Apart from a knowledge of school plane geometry and
trigonometry reading our pamphlet calls for a knowledge of the
transformation known as inversion, the most important features
of which are reviewed in Sec. 3. We hope that the reader will
be able to grasp its principles with profit to himself and
without great difficulty, since it, and Sec. 10, play very important,
though ancillary, role in our exposition.
WEBSITE
https://www.mediafire.com/?tjx6py61gkku8vk
Selected problems and theorems in elementary mathematics Shklyarsky D.O., Chentsov N.N., Yaglom I.M.
Shklyarsky D.O., Chentsov N.N., Yaglom I.M.
LINK WEBSITE ORIGINAL
http://en.bookfi.org/book/1220255
LINK ALTERNATIVO
https://www.mediafire.com/?z1l83z61d5zeu4y
domingo, 9 de março de 2014
IIT JEE main&advanced(mathematics)- Vectors & 3D (English) SOJ Sir -etoo...
This IIT JEE main&advanced Mathematics video Lecture is provided by etoosindia.com, online e-learning coaching center of IIT JEE main&advanced with superior faculties of Kota.
sábado, 8 de março de 2014
Electric Charges
In this video, I will demonstrate some realistic experiments that many children may have done as a game, but they have never asked the reason.
First, I will show three simple experiments that they can easily do at home:
1- Rub two balloons on my hair. When I close them, they repel each other
2- Rub a balloon on my hair. Then roll a soda can toward the balloon.
3- This time, I will rub a balloon through my hair, and then try to bend a stream of water using it to different directions
Now that they are excited, I will start explaining the reason. I will give a simple introduction about the positive and negative charges. Then I will draw how the charges are placed on the balloon, and how they redistribute the charges on nearby objects.
license
MIT TechTV
WEBSITE ORIGINAL
http://video.mit.edu/watch/electric-charges-8406/
WEBSITE ORIGINAL
http://video.mit.edu/watch/electric-charges-8406/
Assinar:
Postagens (Atom)
