#ifndef FUNCS2_H
#define FUNCS2_H
#include<iostream.h>
#include<math.h>
#include<conio.h>
// devides two numbers by adding ,like computer does
long int     AddDevide(int nom ,int denom);
//multiplies two numbers by adding ,like computer does
long    AddMultiply(int num1,int num2);
// finds area of circle
float   Area(float radius);
//finds area  of rectangle
float   Area(float height,float width);
// average of an array which length is size
float   avgs(int size,int num[]);
// how many days from the begining  of the year to the date entered
int     DaysTillDate(int d,int m ,int y);
// calculates the difference between two times in hours/minutes seconds
// and the result is packed in integer array of length 3  (int* Time)
void    Difftime(int h1,int min1,int sec1,int h2,int m2,int s2,int* Time);
// recursive  factorial
long    factorial(int num);
void    Give_Key(void);
// integral of x^2  between two  limits and th accuracy is entered (0.001)
//for example
double  IntegralT(double lim1,double lim2,double acc);
// luah kefel
void    Kefel(int height,int width);
void    LineK(int number,int length);
// maximum in array
int     maxs(int size,int num[]);
// minimum in array
int     mins(int size,int num[]);
// n member of arithmetic serie
long    NMember(int first,int diff,int nMember);
// perimeter of rectangle
double  Perimeter(float height  ,float width);
// perimeter of circle
double  Perimeter(float radius);
double  power(double,double);
// checks if a number is aprimary number
int     PrimeNum(int num);
// rounds double to long
long    Round(double);
// calculates the sum of arithmetic serie with
//a0=first
//d=diff
//nMember = number of members
long    SumOfArith(int first,int diff,int nMember);
//sum of digits of a long number
int     SumOfDigits(long num);
// calculates sum of preceding numbers and the number itself
long    SumOfPrecedeNum(int num);
//calculates sum of array
long    sums(int size,int num[]);

void    Swap(int&,int&);
void    Swap(double&,double&);  
// converts time to seconds  
long    TimeToSec(int hours,int minutes,int seconds);
//converts seconds to equivalent quantity of hours ,
//minutes ,seconds  ,stores the result in int* Time
void    SecToTime(long seconds,int* Time);







#endif