| Author |
 Replies: 153 / Views: 78,170 |
|
|
|
Pillar Of The Community
Slovenia
838 Posts |
|
|
Archimedes (290/280 BCE - 212/211 BCE)
 ......
Archimedes the most famous mathematician and inventor of ancient Greece
and his The Law of the Lever: Magnitudes are in equilibrium at distances reciprocally proportional to their weights.--------------------------------- On backgorund of Italian stamp (see post of tantsbsac: https://goscf.com/t/40023#347743 ) are PI decimal places: 3.1415926535897932384626433832795028841971693993751058209 74944592307816406286208998628034825342117067982
1480865132823066470938446095505822317253594081284811174502841027019385211055596446229489549303819644288109756
6593344612847564823378678316527120190914564856692346034861045432664821339360726024914127372458700660631558817
4881520920962829254091715364367892590360011330530548820466521384146951941511609433057270365759591953092186117
3819326117931051185480744623799627495673518857527248912279381830119491298336733624406566430860213949463952247
3719070217986094370277053921717629317675238467481846766940513200056812714526356082778577134275778960917363717
8721468440901224953430146549585371050792279689258923542019956112129021960864034418159813629774771309960518707
2113499999983729780499510597317328160963185950244594553469083026425223082533446850352619311881710100031378387
5288658753320838142061717766914730359825349042875546873115956286388235378759375195778185778053217122680661300
1927876611195909216420198938095257201106548586327886593615338182796823030195203530185296899577362259941389124 97217752834791315155748572424541506959508295331168617......................... |
Send note to Staff 
|
| Edited by primoz - 12/19/2014 3:26 pm |
|
|
Pillar Of The Community
Slovenia
838 Posts |
|
|
Leonardo Pisano Fibonacci (1170-1250)
Leonardo Bonacci was an Italian mathematician one of the most talented mathematician of the Middle Ages.
In The Liber Abaci Fibonacci introduced to Europe the Arabic numerals, the numeration with the digits 0,1,2...9 and place value.
 
The Fibonacci sequence of numbers, each number is the sum of the previous two numbers: 1,2,3,5,8,13,21,34,.....
 
The sum of quotient of adjacent Fibonacci numbers gives the value of golden ration 1,618... |
|
Send note to Staff
|
| Edited by primoz - 12/21/2014 04:20 am |
|
|
Pillar Of The Community
Singapore
1028 Posts |
|
|
China 2012 Qin Dynasty bamboo slip - multiplication table. Scott 4047a. This come from a se-tenant pair, the other stamp features a calendar.  |
|
Send note to Staff
|
|
|
Pillar Of The Community
Singapore
1028 Posts |
|
|
China 2014 Teacher's Day. This stamp comes from a set of 2, indicating the subjects being taught at schools, with mathematics indicated by the equation a^2 + b^2 = c^2.  |
|
Send note to Staff
|
| Edited by tantsbsac - 01/06/2015 5:34 pm |
|
|
Valued Member
United States
59 Posts |
|
|
Pillar Of The Community
7838 Posts |
|
|
A student at his desk, letters of the alphabet, and a multiplication problem, a postal tax stamp printed by photogravure, and issued by Ecuador in 1954, Scott No. RA73. - nethryk  |
|
Send note to Staff
|
| Edited by nethryk - 01/16/2015 06:51 am |
|
|
Pillar Of The Community
Slovenia
838 Posts |
|
|
Mersenne Prime Number
Mersenne prime numbers are numbers of the form:
where p must be prime, but that is not sufficient.
Only 43 Mersenne prime numbers are known.
On stamp is shown the 39th Mersenne prime, the largest known prime number. |
|
Send note to Staff
|
|
|
Pillar Of The Community
Slovenia
838 Posts |
|
|
Pillar Of The Community
Slovenia
838 Posts |
|
|
Constantin Caratheodory (1873-1950)
Constantin Caratheodory a Greek mathematician spent most of his professional career in Germany.
He made significant contributions to the theory of functions of a real variable, the calculus of variations, and measure theory. ------------------------------------------------------ Formulas on stamps go beyond my knowledge of mathematics. |
|
Send note to Staff
|
|
|
Pillar Of The Community
Slovenia
838 Posts |
|
|
Enigma
Jerzy Różycki (1909-1942), Polish mathematician and cryptologist who worked at breaking the German Enigma code.
Marian Rejewski (1905-1980), Polish mathematician and cryptologist who in 1932 solved the plugboard-equipped Enigma machine, the main cipher device used by Germany.
Henryk Zygalski (1908-1978), Polish mathematician and cryptologist who worked at breaking the German Enigma code.
|
|
Send note to Staff
|
|
|
Pillar Of The Community
Slovenia
838 Posts |
|
|
Gaspard Monge (1746-1818)
 
Gaspard Monge was a French mathematician, the inventor of descriptive geometry and the father of differential geometry. |
|
Send note to Staff
|
| Edited by primoz - 03/29/2015 09:11 am |
|
|
Pillar Of The Community
Slovenia
838 Posts |
|
|
200th anniversary of the Danish school system
subtraction, geometry, compass, pencil.... |
|
Send note to Staff
|
|
|
Pillar Of The Community
Slovenia
838 Posts |
|
|
The International Congress of Mathematicians Seoul 2014
...Pythagorean Theorem......................Euler`s theorem......................Pascal`s Triangle. |
|
Send note to Staff
|
| Edited by primoz - 04/21/2015 12:29 pm |
|
|
Pillar Of The Community
Slovenia
838 Posts |
|
|
UNESCO - Belgia 1951
Clas room in Kongo, on whiteboard you can see some basic mathematical operations. |
|
Send note to Staff
|
|
|
Valued Member
United States
59 Posts |
|
|
Replies: 153 / Views: 78,170 |
|
Posted 12/19/2014 3:09 pm
