arithmetic_function

<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>)
| NOROUND (<expression>)
| PI
| POWER   (<expression>,<expression>)
| ROUND   (<expression>[,<expression>])
| SIGN    (<expression>)
| SQRT    (<expression>)
| TRUNC   (<expression>[,<expression>])

Referenced by:

<function_spec>