Call functions in to model..

[eluser]tnathos[/eluser]
Hi, i have the next problem..

Y have a model whit several functions, i liked use code the one funcion in other function for reuse code in the same model and not rewrite the same code in varios funcionts..but i cant.. any know i can, CI permit load or call functions in the same model? if no how make this?

example.

Code:

<?php
class CommonModel extends Model {
    
    function CommonModel()
    {
        parent::Model();
    }    
    
    function 1(){
        a + b = c}

    function 2(){
        n * d + f = x
                function 1 + x...
        }

    
?>

    
}