Is there good inductor calculation software?
The best I've found is the Coil32 software, available for free here Coil 32 Calculator
most calculators, including the ARRL book, use Wheeler's formula to approximate air core multi-layer inductors, this calculator uses more advanced Maxwell equation algorithms, you can calculate both single layer and multiple layer air core inductors, aswell as ferrite core inductors.
Also useful for cored inductors is the free Mini Ring Core Calculator. If you want something more advanced you'll have to look at EM simulation software such as CST.