Decades: 1250s 1260s 1270s 1280s 1290s - 1300s - 1310s 1320s 1330s 1340s 1350s
Years: 1304 1305 1306 1307 1308 - 1309 - 1310 1311 1312 1313 1314
Births
Deaths
... characteristic 2, the element 2a is zero and it is impossible to divide by it.) The symbol <math>\pm \sqrt {b^2-4ac}</math> in the formula should b ...