Dec 062017
PC Magazine utilities for Vol. 10 Number 16.
File VOL10N16.ZIP from The Programmer’s Corner in
Category Files from Magazines
PC Magazine utilities for Vol. 10 Number 16.
File Name File Size Zip Size Zip Type
ATSAY 1380 601 deflated
CALC.PAS 7650 2097 deflated
COMMON.PAS 4827 1629 deflated
DELBEFOR.BAT 674 333 deflated
DIRANY.BAT 741 305 deflated
EDIT.WPM 9234 1778 deflated
EXAM.WPM 3783 840 deflated
GETLEN.BAT 563 267 deflated
HC.DOC 2009 940 deflated
HC.EXE 9040 4443 deflated
HC.PAS 5127 1426 deflated
MENUDEMO.PAS 588 287 deflated
MENUUNIT.PAS 4406 1255 deflated
PCMFAT.EXE 7120 4347 deflated
PCMFAT.PAS 5851 1934 deflated
PINV.PRG 3652 1286 deflated
POINT.CPP 2145 652 deflated
POINT.H 1469 493 deflated
READBOOT.EXE 6400 3654 deflated
READBOOT.PAS 3084 927 deflated
TRYPOINT.CPP 1305 493 deflated
TRYPOINT.EXE 58300 28936 deflated
TRYPUT.PRG 1123 509 deflated

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Contents of the HC.DOC file


Neil Rubenking September 24, 1991 (Utilities)

Purpose: A command-line calculator utility that can perform addition,
subtraction, multiplication, division, exponentiation, and factorial functions
on numbers with up to 254 significant digits.

Format: HC n operator [n]

Remarks: The n operand variables may consist of any string of digits up to
the 127-character maximum of the DOS command line. The operands must not
include commas or other formatting punctuation, and must be separated from the
command and the operator by at least one space. Two operands are required for
all operations except factorial. The operators recognized are +, -, *, /, ^,
and !.

When output to the screen (the default) or redirected to a printer or
other DOS device, HUGECALC prints the name of the function and inserts commas
at every three digits in the numeric result. If the output is redirected to a
file or piped to a program input, however, only the numeric result is sent.
Note that when it accepts input from a file or via a pipe, HUGECALC uses that
input as its first operand.

Example: If a program that prints 10,000 permutations a second is asked to
print all possible combinations of 13 characters, how long will it take? The

HC 13 ! | HC / 10000 | HC / 3600 | HC / 24

pipes the factorial of 13 (the possible combinations) to a second
instance of HC, which divides it by 10,000 (the permutations per second). The
result is piped to a third instance of HC, which divides it by 3600 (the
seconds in an hour), and finally to a fourth instance of HC, which divides it
by 24 (the hours in a day). The answer printed on the screen is:


that is, 7 days, 4 hours.

Note that all such chained calculations must be strictly sequential
and that parenthetical expressions are not supported.

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