Learners read how to determine the location of a contour for a specific location given a TIN.

In this animated object, learners examine the operation of two-way, three-way, and four-way directional control valves used in pneumatic systems.

Students read an explanation of power factor in a power distribution and how it can be improved by using a power factor correction capacitor bank. A brief quiz completes the activity.

Students read how to determine the elevation of an alignment or cross section where it crosses the TIN.

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.

The is a review game for different types of sentence structures: simple, compound, complex, and compound complex sentences.

match the terms to their meanings

Tap correct answers without touching the edges. Check polarpedia.eu for clues

Determining whether a sentence is simple or complex.