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- #include<stdio.h>
- #include<conio.h>
- #include<math.h>
- main()
- {
- float a,b;
- int menu;
- printf("-------------------");
- printf("\nCASIO FX-570ES PLUS");
- printf("\n-------------------");
- printf("\n MENU");
- printf("\n-------------------");
- printf("\n1. + ");
- printf("\n2. - ");
- printf("\n3. x ");
- printf("\n4. : ");
- printf("\n5. Can bac hai ");
- printf("\n6. Binh phuong ");
- printf("\n7. Lap phuong ");
- printf("\n8. sin ");
- printf("\n9. cos ");
- printf("\n10. tan ");
- do
- {
- printf("\n\n* Moi ban chon tinh nang: ");
- scanf("%d",&menu);
- switch(menu)
- {
- case 1: printf("\n Nhap a: ");
- scanf("%f",&a);
- printf("\n Nhap b: ");
- scanf("%f",&b);
- printf("\n a + b = %.2f",a+b);
- break;
- case 2: printf("\n Nhap a: ");
- scanf("%f",&a);
- printf("\n Nhap b: ");
- scanf("%f",&b);
- printf("\n a - b = %.2f",a-b);
- break;
- case 3: printf("\n Nhap a: ");
- scanf("%f",&a);
- printf("\n Nhap b: ");
- scanf("%f",&b);
- printf("\n a x b = %.2f",a*b);
- break;
- case 4: printf("\n Nhap a: ");
- scanf("%f",&a);
- printf("\n Nhap b: ");
- scanf("%f",&b);
- if(b==0)
- printf("\n Phep chia ko dung, mau so phai khac 0");
- else
- printf("\n a : b = %.2f",a/b);
- break;
- case 5: printf("\n Nhap a: ");
- scanf("%f",&a);
- printf("\n Can bac hai cua a = %f",sqrt(a));
- break;
- case 6: printf("\n Nhap a: ");
- scanf("%f",&a);
- printf("\n Binh phuong cua a = %.2f",pow(a,2));
- break;
- case 7: printf("\n Nhap a: ");
- scanf("%f",&a);
- printf("\n Lap phuong cua a = %.2f",pow(a,3));
- break;
- case 8: printf("\n Nhap a: ");
- scanf("%f",&a);
- printf("\n sin a = %.2f",sin(a*3.14/180));
- break;
- case 9: printf("\n Nhap a: ");
- scanf("%f",&a);
- printf("\n cos a = %.2f",cos(a*3.14/180));
- break;
- case 10: printf("\n Nhap a: ");
- scanf("%f",&a);
- if(a==90)
- printf("\n Khong ton tai gia tri cua tan");
- else
- printf("\n tan a = %.2f",tan(a*3.14/180));
- break;
- default: printf("\n* CANH BAO: Ban chon tinh nang chua dung !!!");
- };
- }
- while(getch()!=27);
- getch();
- }
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