This applet shows the relationship between terms of a sequence and the partial sums of a series. It also allows exploration of some important sequences & series including geometric and harmonic sequences.
This applet explores a logistic population growth model with no harvesting. The phase plot is shown alongside the plot of p vs t.
This applet explores a logistic population growth model with constant harvesting.
This applet simulates a spring acting under gravity, subject to drag and an external driving force.
This applet investigates the continuity of a 2-branch piecewise-defined function.
This applet investigates the continuity of a piecewise-defined function.
This applet displays the direction field and solutions for an ordinary differential equation (ODE).