Freequency is a multi-purpose electronic musician's calculator. It is divided in four sections:

• Delay values
  24 delay
  values to use with multi-fx processors and programs (i.e. Multi-tap delays,
  Phasers, Flangers.
• Tap tempo
  Tap to the beat for a quick BPM
  count.
• Loop calculator
  calculates the right number of samples
  a loop should have to be perfect, according to a BPM. Can also give a
  sample's BPM.
• Tuning fork
  2-octave tuning fork (from C4 to B5).