X             Z            U

0             10         6+8i
0             10         6+8i
0             10         6+8i
0             10         6+8i
0             10         6+8i
0.1            20         -3-4i
0.1            20         -3-4i
0.1            20         -3-4i
0.1            20         -3-4i
*             *           *


1.0e-6         10.0     6.000006+8.000008i
1.0e-5         11.0     6.00006+8.00008i
0.0001         12.0     6.0006+8.0008i
0.001          13.0     6.006+8.008i
0.01           14.0     6.06+8.08i
0.99           16.0     -3.03-4.04i
0.999          17.0     -3.003-4.004i
0.9999         18.0     -3.0003-4.0004i
0.99999        19.0     -3.00003-4.00004i
0.999999       20.0     -3.000003-4.000004i


