A turnkey software system for the introductory electrical engineering curriculum is described from a user's perspective. The system, Circuit Master, provides a structured, interactive, menu-driven environment that allows students to explore basic concepts in circuit and signal theory, without requiring a background in computer programming. The system's interactive user interface and unique visual presentation format simultaneously display relationships between circuit components, pole-zero patterns, Bode plots, initial conditions, input/output signal waveforms, and input/output signal spectra, for periodic and aperiodic signals. It features simultaneous display of information for two sets of circuit components, thereby allowing physical relationships, parametric changes and sensitivity issues to be examined in a fast, interactive environment.
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