Math was a very exciting subject to be working on during the Middle Ages in Europe. Little by little, math experts in Europe were learning from Islamic math experts about what we call Arabic numbers (0,1,2,3,4,5,6,7,8,9) (though the [...]
Two lines cross and form four angles Where any two lines cross each other, they form four angles. These angles are parts of a circle (as you can see from the green circle segments), [...]
Antikythera mechanism: a clockwork machine to calculate how the earth and the sun move around When did Hipparchus live? Hipparchus was a Greek astronomer and mathematician in the 100s BC, in the time [...]
