Decades: 0s BC - 0s - 10s - 20s - 30s - 40s - 50s - 60s - 70s - 80s - 90s - 100s
72 73 74 75 76 77 78 79 80 81 82
Births:
Deaths:
... = - \int_0^\infty { \ln(x) \over e^x } dx </math> where ln(x) is the natural logarithm of x. Its value is approximately γ ...