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