The learner will learn how to understand, interpret, and correlate cardiac marker test results.

Learners will examine how cardiac markers are used in the diagnosis of cardiac disease.

Students solve five problems to determine the total impedance of a series-parallel circuit. Immediate feedback is given.

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

Students work six practice problems to determine the total impedance of a parallel circuit.

Learners examine the symbols and values that control surface roughness, waviness, and lay. A brief quiz completes the object.

In this interactive object, learners view a mind map of the symbolic interaction Approaches and answer questions about communication and symbols.

Learners examine the occurrence of overflow and underflow conditions in a programmable logic controller. It is recommended that users view the learning object “Signed Binary Numbers” in advance of this object.

Learners examine how chemists use moles to "count" atoms by weight. Examples are given.

In this learning activity you'll discover how your visual perception influences your understanding of ambiguous figures.

Learners examine the complex number function to convert real and imaginary coefficients into a complex number.

In this interactive object, the learner matches various disorders to the acid-base disturbances they cause.

Learners view the steps for determining the square root of a complex number in Excel.

In this learning activity you'll review an explanation of scientific notation and complete exercises to convert scientific notation to ordinary numbers.

Learners examine how to convert numbers from rectangular to polar form and from polar to rectangular form using a TI-83 Plus calculator.

In this learning activity you'll review the hexadecimal numbering system.

Learners examine the different types of lines used on a P&ID diagram and the types of connections they represent. They test their knowledge in a matching exercise.

In this learning activity you'll read an explanation of scientific notation and practice expressing numbers smaller than 1 in scientific notation.

The schematic symbols of logic gates used in digital circuits are shown.

Students practice identifying common elements from the periodic table by name or symbol.