0README

hexcalc
|-- 0NOTE			obvious
|-- 0README			this file
|-- 1st_read.me			distribution readme file
|-- Makefile			makefile
|-- Makefile.log		log output of make
|-- bltins.c			source file
|-- hctest01.txt		input for test
|-- hctest02.txt		input for test
|-- hexcalc.1			man page
|-- hexcalc.h			source file
|-- hexcalc.y			source file
|-- init.c			source file
|-- nethead			posting
|-- symbol.c			source file
|-- ulpow.c			source file
|-- ytab.h			source file
`-- yylex.c			source file


NAME
    hexcalc - interactive hexadecimal calculator
SYNOPSIS
    hexcalc
DESCRIPTION
    Hexcalc reads standard input for a sequence of
    expressions and commands. Expressions are evaluated and
    the result is output in the default radix on standard
    output. Commands are executed, producing their defined
    action.

       Commands:
             hex dec oct     set the default radix
       Built-in functions:
             DEC(expr)       output decimal value of expr
             OCT(expr)       output octal value of expr
             HEX(expr)       output hex value of expr
       Operators (highest to lowest precedence):
             (  )            grouping
             **              exponentiation
             -  ~            unary minus, bitwise not
             *  /  %         multiplication, division, modulus
             +  -            addition, subtraction
             <<  >>          left-shift, right-shift
             &               bitwise and
             ^               bitwise exclusive-or
             |               bitwise or
             =               assignment
AUTHOR
    Richard Hargrove
    25 June 1988


Hexcalc is a simple calculator for interconversion between octal,
hex, and decimal bases, and for carrying out standard C operations:

Radix switches and std ops can be done with macos utilities dc or
bc, but these are broader utils with a non-linear learning curve.
Hexcalc is tightly targeted and simple.

Another bonus -- hexcalc has a yacc-based interpretator of its grammar, i.e.,
another example of the use of yacc.


John Rupley
 rupley@u.arizona.edu -or- jar@rupley.com
 30 Calle Belleza, Tucson AZ 85716 - (520) 325-4533; fax - (520) 325-4991
 Dept. Biochemistry & Molecular Biophysics, Univ. Arizona, Tucson AZ 85721