Accumulations
This applet allow you to exlpore accumulations.
Slider 'a' controls the left end of the interval.
Slider 'b' controls the right end of the interval.
Slider 'n' controls the number of subintervals
Slider 't' controls the construction of segments (from 0 to 100%)
You can enter your own function by typing in the input bar. Be sure to include "f(x)" in your definition.