#include<stdio.h>
#include "a.hpp"
#include "b.hpp"
#include "c.hpp"
#include "d.hpp"

int main()
{
	int op;
	float x,sum ;
	
	printf("1.  e^x\n");
	printf("2.  log2x\n");
	printf("3.  x+5\n"); 
	printf("4.  x-5\n");
	printf("5.  x*5\n");
	printf("6.  x/5\n");
	printf("7.  sinx\n");
	printf("8.  cosx\n");
	printf("9.  tanx\n");
	printf("10. cotx\n");
	printf("0.  exit\n");
	printf("Firts,please set the value of x\n");
	scanf("%f",&x);
	
	while(1)
	{
		printf("Then,please select the opration\n");
		scanf("%d",&op);
		
		switch(op)
		{
		case 1 :printf("%f\n",EXP(x));break;
		case 2 :printf("%f\n",LOG(x,2));break;
		case 3 :printf("%f\n",ADD(x));break;
		case 4 :printf("%f\n",SUB(x));break;
		case 5 :printf("%f\n",MUL(x));break;
		case 6 :printf("%f\n",DIV(x));break;
		case 7 :printf("%f\n",SIN(x));break;
		case 8 :printf("%f\n",COS(x));break;
		case 9 :printf("%f\n",TAN(x));break;
		case 10 :printf("%f\n",COT(x));break;
		case 0 :break;
		default :printf("error\n");break;
		}
		if(!op)
		break;
	}
	printf("thanks");

	return 0;
 }