-@node Expressions, Data Input and Output, Language, Top
+@node Expressions
@chapter Mathematical Expressions
@cindex expressions, mathematical
@cindex mathematical expressions
* Statistical Functions:: CFVAR MAX MEAN MIN SD SUM VARIANCE
* String Functions:: CONCAT INDEX LENGTH LOWER LPAD LTRIM NUMBER
RINDEX RPAD RTRIM STRING SUBSTR UPCASE
-* Time & Date:: CTIME.xxx DATE.xxx TIME.xxx XDATE.xxx
+* Time and Date:: CTIME.xxx DATE.xxx TIME.xxx XDATE.xxx
DATEDIFF DATESUM
* Miscellaneous Functions:: LAG YRMODA VALUELABEL
* Statistical Distribution Functions:: PDF CDF SIG IDF RV NPDF NCDF
Returns @var{string}, changing lowercase letters to uppercase letters.
@end deftypefn
-@node Time & Date
+@node Time and Date
@subsection Time & Date Functions
@cindex functions, time & date
@cindex times
Most time and date functions will not accept earlier dates.
@menu
-* Time & Date Concepts:: How times & dates are defined and represented
+* Time and Date Concepts:: How times & dates are defined and represented
* Time Construction:: TIME.@{DAYS HMS@}
* Time Extraction:: CTIME.@{DAYS HOURS MINUTES SECONDS@}
* Date Construction:: DATE.@{DMY MDY MOYR QYR WKYR YRDAY@}
* Date Extraction:: XDATE.@{DATE HOUR JDAY MDAY MINUTE MONTH
QUARTER SECOND TDAY TIME WEEK
WKDAY YEAR@}
-* Time & Date Arithmetic:: DATEDIFF DATESUM
+* Time and Date Arithmetic:: DATEDIFF DATESUM
@end menu
-@node Time & Date Concepts
+@node Time and Date Concepts
@subsubsection How times & dates are defined and represented
@cindex time, concepts
@var{date}.
@end deftypefn
-@node Time & Date Arithmetic
+@node Time and Date Arithmetic
@subsubsection Time and Date Arithmetic
@cindex time, mathematical properties of
@item
@code{AND NOT OR}
@end enumerate
-@setfilename ignored