|
Mexico, 40 cent, 1940 Scott: Finger counting |
|
Egypt, 10m, 1961 Scott: 540 194 Education Day with Triangle |
|
Finland, 0.40, 1969 Scott: Lots of mathematical symbols |
|
Rwanda, 30c, 1974 Scott: 603 A91 Knot based mathematics used by Incas |
|
India, 2r, 1977, Scott: 781 A488 Hexagon insrcibed in a cirle |
|
Czechoslovakia, 2r, 1987, Scott: Surveying work and Computer graphics |
|
Czechoslovakia, 2r, 1987, Scott: 781 A488 Prague's astronmical Clock, computer graphics |
|
Macao Knights tour, stamp is partial of a 16x16 checkerboard |
|
India, 2004 Scott: 2067 A1405 Triangulation of India |
|
Liechtenstein, 85, 2004 Scott: A Mersenne Prime number found on November 14, 2001 |
|
Macao, 2004 The five platonic solids |
|
India, 5r, 2009 Scott: 2391 A1709 Indian Mathematical Society |
|
Australia, $1, 2016
Celebration of Decimal currency |
|
Germany, 70, 2016
Crystals, intersecting cubes |
|
Spain, 1.45, 2020
Teaching numbers |
|
Thai, 2015 Thai numbers |