(i have a tracker you can play with here.
you can type in hz values and ratios like this (X:Y). ratios will be relative to the value in the cell, or the last note typed. the default volume is 100, and the instruments are sin, sqr, saw and tri. the fx command is vibrato which you can activate like this: "V;[rate];[depth in semitones]"). you can capture a value with SPACE BAR to make it the "last note typed".