Music For Makers - Licensing good music has never been this easy.
Calculator by Xlythe - Calculator is a simple 4 function calculator.
TunePocket - Download 11,000+ royalty free music tracks and sound FX. Buy once, use forever. New music added daily. Save over 50% compared to most popular similar services. Incredible value!
HEXelon MAX - HEXelon MAX is a science calculator. It solves math expressions like: Sin(Pi)-Root(-8;3)+3.
Incompetech - Royalty Free and Creative Commons Music Archive
PCalc - PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody...