1. lim as z goes 2+3i of (z-5i)^2
2. lim as z goes 2 of (z^2+3)/(iz)
3. lim as z goes 3i of (z^2+9)/(z-3i)
4. lim as z goes i of (z^2+i)/(z^4-1)
5. lim as change in z goes 0 of ((Znot + change in z)^2 - znot^2)/(change in z)
6. lim as z goes 1+2i of |z^2-1|
7. lim as z goes 0 of e^z
8. lim as z goes (2pi*i) of (e^z - E^-z)
9. lim as z goes pi*i/2 of (z+1)e^z
10. lim as z goes -(pi*i) of exp((z^2 + pi^2)/(z+pi*i))