Decimal problem

[heiner55]

You could format the numbers for better output:

#python3
c = 15.000000000000002-8.881784197001252e-16j

print(c)
print("{0:.16f}".format(c))

==>
(15.000000000000002-8.881784197001252e-16j)
15.0000000000000018-0.0000000000000009j