static double power(double value, short exponent){
       if(exponent >= 0){ // if exponent is greater than or equal to zero...
       double result = 1; // set result to one
 
       for(short i = 0; i < exponent; i++){ // doing something exponent times
             result = result * value; // result is assigned the number of itself times value
       }     
 
       return result; // return the result
       }else return 0; // exponent was less than 0 - return 0 for simplicity.
}