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
Chapter 3 Date and Time Functions 57
Examples
=TIME(12, 0, 0) returns 12:00 pm.
=TIME(16, 45, 30) returns 4:45 pm.
=TIME(0, 900, 0) returns 3:00 pm.
=TIME(60, 0, 0) returns 12:00 pm.
=TIME(4.25, 0, 0) returns 4:00 am.
Related Topics
For related functions and additional information, see:
“DATE” on page 44
“DATEVALUE” on page 47
“DURATION” on page 70
“Listing of Date and Time Functions” on page 42
“Value Types” on page 36
“The Elements of Formulas” on page 15
“Using the Keyboard and Mouse to Create and Edit Formulas” on page 26
“Pasting from Examples in Help” on page 41
TIMEVALUE
The TIMEVALUE function returns the time as a decimal fraction of a 24-hour day from a
given date/time value or from a text string.
TIMEVALUE(time)
 time: The time the function should use. time is a date/time value. The date portion
is ignored by this function.
Examples
=TIMEVALUE(”4/6/88 12:00”) returns 0.5 (noon represents one-half of the day).
=TIMEVALUE(”12:00:59”) returns 0.5007 (rounded to four decimal places of accuracy).
=TIMEVALUE(”9:00 pm”) returns 0.875 (21 hours, or 9:00 p.m., divided by 24).
Related Topics
For related functions and additional information, see:
“Listing of Date and Time Functions” on page 42










