DFIELD6 is an interactive tool for studying single first order differential equations. When DFIELD6 is executed, a DFIELD6 Setup window is opened. The user may enter the differential equation and specify a display window using the interactive control

The tool for turbine engine closed-loop transient analysis (TTECTrA) is a semi-automated control design tool for subsonic aircraft engine simulations. At a specific flight condition, TTECTrA produces a basic controller designed to meet user-defined