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HCALC.DOC
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1986-09-21
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DOCUMENTATION FOR HCALC.COM
(MS-DOS)
The program named CALCULATOR by Warren Smith and converted to
TURBO PASCAL has been renamed to HCALC.COM. This is a stan-
dard algebraic style program without the use of equal signs.
The program is booted in by typing HCALC <cr>. In order to
get help, type: ? To exit to MS-DOS, at the beginning of a
line, type: $
In addition to all of the standard operands + - * and /, you
can use trig functions, square roots, squares, factorials and
PI. Except for PI, to get the values sought after, you must
follow the proper syntax.
The proper syntax is to enclose the value to be operated upon
within parenthesis () preceeded by the operator. (You may
use upper or lower case at will).
Examples are shown below:
sqr (4)<cr> answer will be 16.0000
SQRT (64)<cr> answer will be 8.0000
factor (7)<cr> answer will be 5040.0000
SIN (45)<cr> answer will be 0.707
pi<cr> answer will be 3.14159
When using terms with exponents, show them as follows:
(3*10^6)*(4*10^9)<cr> answer will be 11.9999999999999990
(The 10^6 represents ten to the sixth power. You must indi-
cate the power of ten you want use in the expression.)
If you do not enclose the value within parenthesis, the pro-
gram will not work and you will get wrong answers. Also if
you type: !<cr> you will go into the debugging mode and the
intermediate steps of the calculation will be displayed prior
to the answer. To stop debug mode type !<cr> at the begin-
ning of a line and this will toggle it off.
You may utilize these operations as part of the expression to
be solved.
This documentation is placed in the public domain on 10-5-84
by Alan S. Raskind, and may be used, transmitted to or from
anyone without charge.