Netscape or MS Internet explorer. Even so, some work better in one browser than the other
so, if you have both, it's always worth trying them both.
These calculators are NOT in the Public Domain - I spent many hours writing them and the copyright belongs to me. However, if you would like to use any of these calculators on your own website for non-profit-making purposes, feel free to do so but please let me know and give my site a mention. Thanks. My views on copyright
Amateur Radio and Audio