Learners examine how a radiation pyrometer converts the frequency of electromagnetic waves to a temperature reading.

Students view the mathematical expression of a sinusoidal waveform with respect to time (t) and solve five problems. The answers are provided so students may check their work.

Learners examine the operation of an inductive proximity sensor in this animated object. A brief quiz completes the activity.

In this animated object, learners examine how PLC up/down-counters are used to control an automated parking lot gate.

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.

Learners calculate the total cost of a loan by entering the principal amount, the period of the loan, and the annual percentage rate.

The use of the reciprocal key on the TI-86 scientific calculator is demonstrated in the solution of parallel resistors.

Match equivalent expressions