%OP%BON
%OP%PL64
%OP%TM1
%OP%BM1
%OP%LM5
%OP%HE/%H2%Z88 Users' Club Software Library%H2%/
%OP%FO/%H2%Z181%H2%//@P@/
%OP%DEUNITS Documentation
%CO:A,10,70%%C%%H1%%H2%UNITS%H2%%H1%

%C%%H2%Unit Conversions for the Z88%H2%

    Units is a program for the Z88 computer which assists in 
conversions between various units, The program can list a common 
definition of the unit, a conversion factor between units, or perform 
numerical conversions directly.

%C%%H2%Disclaimer%H2%

    This program is provided on an as is basis, with no warranty, 
either expressed or implied, as to either the accuracy or suitability 
of the program.

%C%%H2%Program Files%H2%

The complete set of files for the units program is as follows:

UNITS.PD 
UNITS.BAS 
UNITS.DAT

    The only files needed to run UNITS are the UNITS program and the 
UNITS.DAT file.

%C%%H2%Definition of Units%H2%

    There are slight differences among many units (particularly 
thermal ones). The following definitions are used in this program.

HP
Btu
H2O
Hg

%P0%
%C%%H2%Running UNITS%H2%

    To run UNITS, simply load it into basic and run it. The program 
will read in the data file, then ask for the type of conversion, 
(linear, area, volume, etc.). Simply hit the key corresponding to the 
desired choice. Hitting the space bar will end the program. Once a 
category has been selected, a listing of units will be displayed, 
they are selected in a similar fashion, by hitting the key 
corresponding to the unit displayed. Hitting the space bar will take 
you back to the main menu. There are three conversion options 
available, when you first enter the units page the current option 
will be listed on the top line of the screen, to change the option 
simply hit the numeric key corresponding to the option. The current 
option setting remains in effect till the program is ended.

%H2%Option 1 : Display Unit Definition%H2%





%H2%Option 2 : Compute Conversion Factor%H2%








%H2%Option 3 : Convert Data%H2%
%CO:B,6,60%






























Mechanical horsepower
International Steam Table Btu
Density taken at triple point
Density taken at 0 degrees C


















This option displays a "common" definition of the unit 
selected. For example 1 gallon is 4 quarts. This is not 
necessarily the legal definition of the unit, but is how it 
is defined in the data file.


This option computes a numerical conversion factor from the 
first unit chosen to the second. Once the first unit has 
been chosen, the top line will change to 1 {selected unit} 
is, then wait for the selection of a second unit. The 
conversion factor is then displayed and the program waits 
for another initial unit, there is no need to hit a key to 
continue.


This option evaluates expressions in one unit, and displays 
the numerical conversion to a second unit. Once the initial 
unit has been selected, the top line changes to "Convert 
from {selected unit} to " and the program waits for the 
selection of a second unit. Once a second unit has been 
selected, the top line will change to "{selected unit} ?" 
and the program will wait for input. Hitting Enter with no 
data will exit at this point, typing any valid expression 
will cause the program to evaluate the expression, and 
display the result in converted units. After the display, 
any key can be hit to return to the "{selected units} ?" 
prompt.
%CO:C,56,57%


















Z180A - this file, documentation for the UNITS program.
Z180B - the actual UNITS program.
Z180C - data file for UNITS.