You can download ZiskoCalc 1.6 for Mac from our software library for free. The software lies within Internet & Network Tools, more precisely Network tools.
From the developer:
ZiskoCalc is a small Desktop-Toolkit that lets you convert values from many number-systems into others like hex, oct, bin, dec.
You may want to check out more software for Mac, such as myhotspotter, which might be similar to ZiskoCalc.