Arithmetic Function
(arithmetic_function) 
An arithmetic function (arithmetic_function) is a function that supplies a numeric value.
Syntax
<arithmetic_function> ::=
ABS (
<expression>
)
| CEIL (
<expression> )
| EXP (
<expression> )
| FIXED (
<expression>[, <unsigned_integer>
[, <unsigned_integer>] ] )
| FLOAT (
<expression>[, <unsigned_integer> ] )
| FLOOR (
<expression> )
| INDEX (
<string_spec>, <string_spec> [,<expression>[,
<expression>] ] )
| LENGTH (
<expression> )
| LN (
<expression> )
| LOG (
<expression>, <expression> )
| NOROUND (
<expression> )
| PI
| POWER (
<expression>, <expression> )
| ROUND (
<expression>[, <expression>] )
| SIGN (
<expression> )
| SQRT (
<expression> )
| TRUNC (
<expression>[, <expression>] )
<string_spec> ::= <expression>
Explanation
Only expressions that produce an alphanumeric value are permitted as string specifications (string_spec).
See also: