Decades: 1290s 1300s 1310s 1320s 1330s - 1340s - 1350s 1360s 1370s 1380s 1390s
Years: 1342 1343 1344 1345 1346 - 1347 - 1348 1349 1350 1351 1352
Births
Deaths
... of the quadratic formula is not ideal. See Loss of significance for details. Derivation The quadratic formula is derived by the method of completing the square[?]. ...