SciCalc is Free
program for Mac OS X developed by Matt Gallagher
SciCalc is a fully-featured scientific calculator for Mac OS X that supports trig and log functions, fractions, unrestrained brackets, 5 memories, and 15+2 digits. It also has a unparalleled "packed airing scene" and natural airing entry.
Magic Number Machine is Free
program for Mac OS X developed by Matt Gallagher
Magic Number Machine is a systematic calculator featuring a broad, graphical, replete expression exhibit and nice 25-digit extended precision. Also handles hexadecimal and binary numbers and complex numbers (including floating peak in each), stati