Learners read definitions of atomic symbols, atomic numbers, and mass numbers and then answer questions about the number of neutrons, protons, and electrons in select elements.

Students test their skill at converting binary numbers to decimal numbers. Immediate feedback is provided.

Students read the rules used in multiplying and dividing signed numbers. They view examples and work practice problems.

Students view a demonstration of the Current Divider Rule with the use of complex numbers. Examples are given.

Students read an explanation of "superposition" as a technique for ac circuit analysis. Complex numbers are used.

Learners follow the steps for adding and subtracting signed numbers and complete practice exercises.

Students read an explanation of the Voltage Divider Rule with complex numbers. Examples are given.

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.

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

Learners study the types of information letters and numbers placed inside general piping and instrumentation diagram symbols.

Learners use this interactive and animated object to examine the use of binary numbers in a programmable logic controller. A brief quiz completes the activity.

Students read how to organize their work when multiplying more than two signed numbers. A review and practice problems complete the activity.

Learners explore the use of complex numbers through a series AC circuit analysis problem. The steps are compared to the graphical method of finding circuit impedance and the phase angle.

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.

Learners follow steps to convert numbers from Gray code to binary code. They then view steps to change binary values to Gray code numbers.

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

Students solve six problems for series impedance using complex numbers. Immediate feedback is given.

Students view a demonstration of Kirchhoff's Current Law (KCL) using complex numbers with respect to ac.

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

This primer introduces the student to the correct method of entering complex numbers in both rectangular and polar form.