In this interactive object, learners examine how work is performed in foot-pounds by a hydraulic system that uses a pump and cylinder. A brief quiz completes the activity.

In this animated and interactive object, learners examine the basic parts and the linear movement of a hydraulic cylinder. A brief quiz completes the activity.

Students read how to determine the total impedance of a parallel circuit using complex numbers. The "J" term is used in the calculations.

In this learning activity you'll explore how a fuse de-energizes a parallel circuit when too many lamps are connected to a power outlet.

Learners work problems to make conversions between RMS, average, peak, and peak-to-peak AC voltages.

Formulas and Functions in Microsoft Excel

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

In this learning activity you'll practice converting between hexadecimal and decimal and between hexadecimal and binary numbers.

In this learning activity you'll practice calculating the between the binary number system and the decimal number system.

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

A review game for our Chapter 6 Test in Geometry.

Select the correct answer. Avoid touching the edges.

In this activity, you will review spreadsheet terminology.

Match the Metric System unit to its US counterpart.