Formulas and Functions
Table Of Contents
- Formulas and Functions
- Contents
- Preface: Welcome to iWork Formulas & Functions
- Chapter 1: Using Formulas in Tables
- The Elements of Formulas
- Performing Instant Calculations in Numbers
- Using Predefined Quick Formulas
- Creating Your Own Formulas
- Removing Formulas
- Referring to Cells in Formulas
- Using Operators in Formulas
- The String Operator and the Wildcards
- Copying or Moving Formulas and Their Computed Values
- Viewing All Formulas in a Spreadsheet
- Finding and Replacing Formula Elements
- Chapter 2: Overview of the iWork Functions
- Chapter 3: Date and Time Functions
- Chapter 4: Duration Functions
- Chapter 5: Engineering Functions
- Chapter 6: Financial Functions
- Chapter 7: Logical and Information Functions
- Chapter 8: Numeric Functions
- Chapter 9: Reference Functions
- Chapter 10: Statistical Functions
- Listing of Statistical Functions
- AVEDEV
- AVERAGE
- AVERAGEA
- AVERAGEIF
- AVERAGEIFS
- BETADIST
- BETAINV
- BINOMDIST
- CHIDIST
- CHIINV
- CHITEST
- CONFIDENCE
- CORREL
- COUNT
- COUNTA
- COUNTBLANK
- COUNTIF
- COUNTIFS
- COVAR
- CRITBINOM
- DEVSQ
- EXPONDIST
- FDIST
- FINV
- FORECAST
- FREQUENCY
- GAMMADIST
- GAMMAINV
- GAMMALN
- GEOMEAN
- HARMEAN
- INTERCEPT
- LARGE
- LINEST
- Additional Statistics
- LOGINV
- LOGNORMDIST
- MAX
- MAXA
- MEDIAN
- MIN
- MINA
- MODE
- NEGBINOMDIST
- NORMDIST
- NORMINV
- NORMSDIST
- NORMSINV
- PERCENTILE
- PERCENTRANK
- PERMUT
- POISSON
- PROB
- QUARTILE
- RANK
- SLOPE
- SMALL
- STANDARDIZE
- STDEV
- STDEVA
- STDEVP
- STDEVPA
- TDIST
- TINV
- TTEST
- VAR
- VARA
- VARP
- VARPA
- ZTEST
- Chapter 11: Text Functions
- Chapter 12: Trigonometric Functions
- Chapter 13: Additional Examples and Topics
- Index
64
The duration functions help you work with periods of time
(durations) by converting between dierent time periods,
such as hours, days, and weeks.
Listing of Duration Functions
iWork provides these duration functions for use with tables.
Function Description
“DUR2DAYS” (page 65) The DUR2DAYS function converts a duration
value to a number of days.
“DUR2HOURS” (page 65) The DUR2HOURS function converts a duration
value to a number of hours.
“DUR2MILLISECONDS” (page 66) The DUR2MILLISECONDS function converts a
duration value to a number of milliseconds.
“DUR2MINUTES” (page 67) The DUR2MINUTES function converts a duration
value to a number of minutes.
“DUR2SECONDS” (page 68) The DUR2SECONDS function converts a duration
value to a number of seconds.
“DUR2WEEKS” (page 69) The DUR2WEEKS function converts a duration
value to a number of weeks.
“DURATION” (page 70) The DURATION function combines separate
values for weeks, days, hours, minutes, seconds,
and milliseconds and returns a duration value.
“STRIPDURATION” (page 71) The STRIPDURATION function evaluates a given
value and returns either the number of days
represented, if a duration value, or the given
value. This function is included for compatibility
with other spreadsheet applications.
4
Duration Functions










