programming (8)

• DIV


  division operator.

  outputs the quotient without the fraction part

  eg. 10 DIV 5 = 2
• MOD


  modulo operator.

  outputs the remainder of the division

  10 MOD 5 = 0
• LENGTH (<identifier>)
• LCASE(<identifier>) and UCASE(<identifier>)
• SUBSTRING(<identifier>, <start>, <length>)
• functions


  operate the same way as procedures except they have the ability to return values
• pseudocode for function


  FUNCTION  <function name> RETURNS <data type>   <statements> ENDFUNCTION 
• procedures


  are blocks of associated code called subroutines
• pseudocode for procedures 


  PROCEDURE <procedure-name>   <statements> ENDPROCEDURE