In this animated object, learners examine a closed-loop feedback system that uses digital circuits to control the position of a gear rack.

After a brief review, the student solves five practical shop problems using right angle trigonometry.

Students work five practice problems to determine the Thevenin resistance of DC circuits.

In this animated object, learners examine how a coil of wire provides more resistance to AC current flow than an uncoiled wire. This learning object contains audio.

Formulas and Functions in Microsoft Excel

A learning object to illustrate the right way to enter formulas and functions in Excel.

This primer introduces the student to the correct method of entering complex numbers into a TI-86 calculator.

This primer introduces the student to the correct method of using complex reciprocals in a TI-86 calculator. The solution of total impedance of a parallel circuit in rectangular form is shown.

This primer introduces the student to the proper method of complex number conversion on a TI-86 calculator.

Learners view the steps to find the complex conjugate of a number in polar form using a TI-86 calculator.

In this activity, you will review spreadsheet terminology.

Check polarpedia.eu for clues!

This is an activity related to simple, compound, and complex sentences.

match the terms to their meanings