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Here one function is applied to another. The function TODAY() returns the current
date. But this result is immediately evaluated by the MONTH() function, which
returns only the month of the date (as a number). So, on September 16, 2012 the
formula would produce the value 9.
Example: INT(B/1000)
Here, the function INT, which converts a floating point number to an integer by
removing its fractional part, is applied to the calculation B/1000. If B has the value
3752.70, the formula gives the value 3.
In summary, the arguments of functions can be other functions, any sorts of calculations,
database fields, table cells references, or any combination of these.
Variables
The result of a formula can be assigned to a variable.
Tip: All variables that are defined at a given moment appear in the Variable/Field
list box in the dialog box for Insert > Calculation. You can insert any one of them
in the formula by double clicking on it.
Example: PRICE=17.99
Here, the “formula” is just the constant value 17.99. The entry as a whole defines
the variable PRICE and sets it to 17.99. Its value is valid from the position in the
text at which you insert it to the end of the text – unless you assign another value to
the PRICE variable farther down in the text.
Note: Whenever you assign a value or a calculation to a variable, the value of the
variable appears at the active position in the text. If you don’t want this – for
example, because you only want to perform an intermediate calculation whose
result should not be shown – enable the Hide result option in the dialog box for
Insert > Calculation.
Example: MY_MONTH=MONTH(TODAY())
Here, the month of today’s data is calculated and shown. At the same time, the
result is saved in the variable MY_MONTH.
Naturally, you can insert such a variable in other formulas.
Example: PRICE*1.19
This formula gives the current value of the PRICE variable multiplied by 1.19.
374 Calculations in the text Manual TextMaker