Programs for the Transonic Wind Tunnel Data Processing Installation. Part 7. Extended Focal.
AERONAUTICAL RESEARCH LABS MELBOURNE (AUSTRALIA)
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Since the transonic wind tunnel data processing installation, which is based on a PDP 8-I computer, was installed in 1968 a considerable library of standard programs have been produced. This program library covers all types of testing commonly carried out in the wind tunnel. However there remains the possibility of unusual tests being required which are not covered by existing programs. This memorandum describes modifications to the Digital Equipment Corporation FOCAL language FOCAL is a keyboard oriented interpretive language similar to BASIC which permit the tunnel instrumentation, display and plotter to be operated by FOCAL programs. Using this extended FOCAL language it should be possible to rapidly write and de-bug programs to meet unusual requirements not covered by the standard program library. Author
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