PRP: a FORTRAN IV interactive plotting program

A. S. Andrew*, J. Linde

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


A computer program, PRP, has been designed to plot any arithmetic combination selected from a set of major and trace element data on a y-x graph. y and x are defined and entered as a program string (y, x) which is interpreted sequentially. Operators (+, -, *, /, (unary), square root, log10, Inc, antilog10, exponential, integer, absolute value, (,),,) and integer or real numbers may be included. Axis lengths and scales are determined by the user. Five different plotting symbols are available.

Original languageEnglish
Pages (from-to)3-20
Number of pages18
JournalComputers and Geosciences
Issue number1
Publication statusPublished - 1981
Externally publishedYes


  • Plot arithmetic combination
  • Program string (y
  • Symbols
  • x)
  • y-x graph


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