ratio = 1 (slider from 1 to 2, step 0.01)
base = 135 (slider from 20 to 200, step 5)
pair(x) = sin(base * x) + sin(ratio * base * x)
flute1(x) = sin(base * x)
flute2(x) = sin(11.0 / 6.0 * base * x)
offset = 4 (slider from 0 to 4, step 1)
m2(x) = sin(base * x) + sin(18.0 / 17.0 * base * x) + offset
M2(x) = sin(base * x) + sin(9.0 / 8.0 * base * x) + 2.0 * offset
m3(x) = sin(base * x) + sin(6.0 / 5.0 * base * x) + 3.0 * offset
M3(x) = sin(base * x) + sin(5.0 / 4.0 * base * x) + 4.0 * offset
P4(x) = sin(base * x) + sin(4.0 / 3.0 * base * x) + 5.0 * offset
tritone(x) = sin(base * x) + sin(7.0 / 5.0 * base * x) + 6.0 * offset
quarterTone(x) = sin(base * x) + sin(35.0 / 34.0 * base * x) - offset
P5(x) = sin(base * x) + sin(3.0 / 2.0 * base * x) + 7.0 * offset
m6(x) = sin(base * x) + sin(11.0 / 7.0 * base * x) + 8.0 * offset
M6(x) = sin(base * x) + sin(5.0 / 3.0 * base * x) + 9.0 * offset
m7(x) = sin(base * x) + sin(9.0 / 5.0 * base * x) + 10.0 * offset
M7(x) = sin(base * x) + sin(11.0 / 6.0 * base * x) + 11.0 * offset
P8(x) = sin(base * x) + sin(2.0 * base * x) + 12.0 * offset