Abstract
Investigators in the medical, biological, and social sciences often require tabulations or other analyses of punched card data from multiple fields of variable length. An appropriate computer language was needed which they could easily learn and apply. TABTRAN, an augmented sub-set of FORTRAN, was developed to facilitate tabulation, cross-tabulation, and manipulation of quantitative data from punched cards. Card*, column notation, a natural concomitant of individual coding systems, is utilized. TABTRAN offers increased power in logical branching and conversion of calendar dates. Some otherwise involved aspects of programming are automatically performed. A compiler-interpreter, developed for the IBM 1620 computer, has successfully implemented such medical data analyses.
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