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Arithmetic function 

An arithmetic function is a function that supplies a numeric value as a result.

Syntax

<arithmetic_function> ::=
  TRUNC   ( <expression>[, <expression>] )
| ROUND   ( <expression>[, <expression>] )
| NOROUND ( <expression> )
| FIXED   ( <expression>[, <unsigned_integer> [, <unsigned_integer] ] )
| FLOAT   ( <expression>[, <unsigned_integer> ] )
| CEIL    ( <expression> )
| FLOOR   ( <expression> )
| SIGN    ( <expression> )
| ABS     ( <expression> )
| POWER   ( <expression>, <expression> )
| EXP     ( <expression> )
| SQRT    ( <expression> )
| LN      ( <expression> )
| LOG     ( <expression>, <expression> )
| PI     
| LENGTH  ( <expression> )
| INDEX   ( <string_spec>, <string_spec> [,<expression>[, <expression>] ] )

expression, unsigned_integer, string_spec

TRUNC(a,n), ROUND(a,n), NOROUND(a), FIXED(a,p,s), FLOAT(a,s), CEIL(a), FLOOR(a), SIGN(a), ABS(a), POWER(a,n), EXP(a), SQRT(a), LN(a), LOG(a,b), PI, LENGTH(a), INDEX(a,b,p,s)

 

 

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