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AM_NUM_T.HLP
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1991-04-27
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APPLICATIONS MAKER - HELP FOR NUMERIC TYPES
The NUMERIC ITEMS hold numeric data, and can be of eight types:
ENTRY, READ, AUTO-FILL, AUTO-INCREMENT, MENU, FORMULA, COMPUTATIONAL
and STATIC.
ENTRY: With the ENTRY type your user enters the number.
READ: With the READ type the number is read into item from a
relational file. Before data can be read a record must be found via
the use of KEYS. Help for KEYS is available by declaring an item of
type string, then selecting the KEY type and pressing H again.
AUTO-FILL: With the AUTO-FILL type a value entered during setup is
placed in the item.
AUTO-INCREMENT: With the AUTO-INCREMENT type all records in the
target datafile are read to determine the highest value stored in
the targeted field and that value is incremented by a value entered
at setup. The item is filled with the result.
MENU: With the MENU type the program opens a window on the input
screen and offers the user a choice of multiple, pre-defined entries.
The entry displayed/chosen need not be the same as the value placed
into the item.
Menu definition files are originated with a word processor operating
in the pure ascii mode. These files are named at the time of
initialization.
Each possible choice on the menu, of which there can be up to one
hundred, should have TWO lines dedicated to it in the menu file. The
first line can have up to 60 characters, and holds the text proffered
to the user. The second line contains the string to be recorded in
the item, and may be the size of the target item.
The menu definition files MUST be recorded in the datafile of the
MENU ITEM. If your menu item is recorded into file three then the
program will attempt to open the file in the directory holding file
three. If your menu file is not associated with a file then the
program will look for it in the directory of the first file loaded.
FORMULA: With the FORMULA type the field will have a numeric formula
applied to it. The formulas all start with the value placed into
the item, be it a keyboard entry, a read from a relational
file or the content of another field, perhaps itself the product of
a formula. When you are entering your formula your screen will show
you how to do so, and your formula will be checked after entry.
COMPUTATIONAL: The COMPUTATIONAL fields are left alone. They are
usually the target of a numeric formula.