ActiveX Instrumentation Library is a package of 14 common instrumentation interface components. This library includes the following controls: an animation creator, an annunciator, a gauge, an indicator, a knob, a LED display, a meter, an alpha-numeric LED display, an odometer, a percent display, a selector, a slider, a toggle, and a trend chart. The components have common interfaces and are designed for maximum configurability, simplicity, and interoperability. The library can be used in process control, scientific, engineering, simulation, data acquisition, and monitoring applications.