Table of Contents
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Contents
Introduction to IBM FORTRAN ...................................
5
Writing the 1620 FORTRAN Program ............................ 11
Coding Form ............................................ 11
Constants and Variables .............................................. 14
Arithmetic Statements ................................................ 18
Control Statell1ents ................................................... 22
Input/Output Statements .............................................. 32
Specification Statements ............................................... 34
Problem .................................................. 44
Operating Principles ............................................. 51
Producing the Object Program ......................................... 51
Execution of the Object Program ....... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 55
Analysis of the FORTRAN Program .............................. 58
The FORTRAN Pre-Compiler Program ............................ 72
Operation of the .Pre-Compiler Program ................................. 72
Processing with the Pre-Compiler Program ............................... 77
Summary of the 1620 FORTRAN Statements .............. 80
Summary of 1620 Operating Principles .................... 83
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106
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Table of Contents
