Microsoft Office Tutorials and References
In Depth Information
This formula returns 9.2 (interpreted as “nine and two-eighths”):
=DOLLARFR(9.25,8)
In most situations, you won't use the value returned by the DOLLARFR function in oth-
er calculations. To perform calculations on such a value, you need to convert it back to
a decimal value by using the DOLLARDE function.
The DOLLARDE function converts a dollar value expressed as a fraction to a decimal amount. It also uses a
second argument to specify the denominator of the fractional part. The following formula, for example, returns
9.25:
=DOLLARDE(9.1,4)
This workbook is available at this book's website. The filename is feet and inches.xlsx.
Using the INT and TRUNC functions
On the surface, the INT and TRUNC functions seem similar. Both convert a value to an integer. The TRUNC
function simply removes the fractional part of a number. The INT function rounds a number down to the nearest
integer, based on the value of the fractional part of the number.
In practice, INT and TRUNC return different results only when using negative numbers. For example, the fol-
lowing formula returns –14.0:
=TRUNC(-14.2)
The next formula returns –15.0 because –14.3 is rounded down to the next lower integer:
=INT(-14.2)
The TRUNC function takes an additional (optional) argument that's useful for truncating decimal values. For
example, the formula that follows returns 54.33 (the value truncated to two decimal places):
=TRUNC(54.3333333,2)
Rounding to an even or odd integer
The ODD and EVEN functions are provided for situations in which you need to round a number up to the
nearest odd or even integer. These functions take a single argument and return an integer value. The EVEN
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