Decades: 1320s 1330s 1340s 1350s 1360s - 1370s - 1380s 1390s 1400s 1410s 1420s
Years: 1370 1371 1372 1373 1374 - 1375 - 1376 1377 1378 1379 1380
Births
Deaths
... solution(s) x to the quadratic equation <math>ax^2+bx+c=0</math> in terms of the coefficients a, b and c, which are assumed to be real (but see below fo ...