This screencast shows the symbols used to represent the type of pulse required at the clock input to activate flip-flops.

In this animated lesson, learners follow the steps required to read the phase shift difference in degrees between two AC waveforms.

Learners will understand how the interaction of the armature magnetic field and the rotating stator field cause the rotor of a single-phase AC motor to turn.

Learners observe the animated operation of an astable mulivibrator using a 555 IC (integrated circuit) chip and external components.

In this learning activity you'll discover how to calculate the best priced items and improve your financial literacy.

Students use the pyramid method to solve percent problems. The pyramid grid provides a visual way to set up the equation.

Students view a sample of the keystrokes of a TI-30XIIS calculator that are required to solve for the instantaneous current of a de-energizing circuit.

Students view a sample of the keystrokes used on a TI-36X calculator to solve for the instantaneous current of a de-energizing circuit.

Learners view a sample of the keystrokes on a TI-36X calculator that are required to solve for the instantaneous current of an energizing RL circuit.

Solve the root function with the given x-value.

It is a fun online game unblocked for all schools.

Guide the Snake to the Right Answer.

The questions are all about identifying a rational number.