This function calculates your lot size depending on definite conditions explained in input variables.

extern string Multiple_disable="0    =     Stop Use Multiple  ";
extern string     FiboMultiple="1    =     1,1,2,3,5,8,13,21,34, etc. ";
extern string          Multi_X="2    =     Last Close Lot X 2 ";
extern string       Multi_Plus="3    =     Last Close Lot + Lot ";
extern    int    Enter_Choice = 2;