00000nam 2200000za 4500 9.862459 CaOODSP 20241203113644 cr ||||||||||| 180927s1973 onc ||||o f000 0 eng d CaOODSP eng n-cn--- En36-508/24E-PDF Whitlow, S. Focal on the PDP-9 computer [electronic resource] / S.H. Whitlow. Ottawa : Environment Canada, 1973. v, 16 p. Report series ; no. 24 Digitized edition from print [produced by Environment and Climate Change Canada]. Issued by the Inland Waters Directorate, Water Resources Branch. Includes bibliographical references. "This report is designed to be an operating guide for running user programs on the Water Science Subdivision PDP-9 digital computer. It is to permit users with little or no computing background to run simple programs using the FOCAL (FOrmula CALculator or Formulating On-line Calculations in Algebraic Language) conversational language. Since there is no specific guide supplied for FOCAL on PDP-9 computers, operating procedures have been gathered from various sources and are combined with techniques developed through usage to provide step-by-step direction"--Abstract. gccst Hydrology Computer programs Canada. Environment Canada. Canada. Inland Waters Directorate. Canada. Water Resources Branch. Report series (Canada. Inland Waters Directorate) no. 24 (CaOODSP)9.862410 PDF 736 KB https://publications.gc.ca/collections/collection_2018/eccc/En36-508-24-eng.pdf