VII-5


   IRE-3 Thesaurus-3       CRAN-l Thesaurus-3       ADI Thesaurus-i


   (Computer Science)      (Aerodynamics and        (Documentation)
                       Aeronautical Engin~ring)

605  Calculate           20  Algebra              350  Calculate
     Compute                 Arithmetic                Compute
                             Calculate                 Interpolate
13   Evaluate                Compute                   Sum
     Interpolate             Derivation
     Plot                    Mathemat             428  Mathemat
     Recompute               Newly-computed
                             Numerical              2  Computer-based
                                                       Computer
148  Add                601  Extrapolate
     Sum                     Interpolate
                             Quadrature
 7   Algebra
                        304  Analog
376  Arithmetic              Analogue
                             Computer
116  Mathematic              Computing Machine
                             Digital-computer
601  Computer                Digital
     Data-processor          IBM-704
     Electronic-
      computer               IBM
                             Univac


                Sample Excerpts from Three Thesaurus Dictionaries


                                Fig. 2