VC++计算器课程设计报告

1、22VC+计算器课程设计报告1.作品名称：计算器2.本次课程设计的目的 在程序设计中，通过设计、编制、调试一个模拟计算器的程序，加深对语法及语义分析原理的理解，并 实现对命令语句的灵活应用。3.主要功能实现计算器的功能。用户根据程序提示，输入数字或字符，选择要进行的运算，可以进行正弦、余弦、正切、开方、对数、加、减、乘、除、华氏温度与摄氏度之间的换算以及平方根的运算。4.代码#include <process.h>#include<time.h>#define MAX 100#include <iostream.h>#include <conio.h&

2、gt;#include <stdlib.h>#include <math.h>double number1,number2,answer,number3,num10000; int n,k=1;char input,val; class oopcalc private:double x,y; double fartocel(double number1); double celtofar(double number1); double sqroot(double number1);void calcsqr();void calccos();void calctan();

3、void calcsin();void calclog();public:double getX()return x;double getY()return y;double set()x=number1;y=number2;double calcadd(double number1,double number2); double calcsub(double number1,double number2); double calcdiv(double number1,double number2); double calcmult(double number1,double number2)

4、; void calcfartocel();void calcceltofar();void calcsroot();void exitprog();void menu();void caculate(); void test();void badinput(); ;void oopcalc:calcsin()cout<<"The Sin Functionn"cout<<"Enter a number:"cin>>number1;answer=sin(number1);cout<<"The sin

5、 of "<<number1<<" is "<<answer<<endl;cout<<"Press any key to continuen"getch();menu();void oopcalc:calccos()cout<<"The Cos Functionn"cout<<"Enter a number:"cin>>number1;answer=cos(number1);cout<<"

6、The cos of "<<number1<<" is "<<answer<<endl;cout<<"Press any key to continuen"getch();menu();void oopcalc:calctan()cout<<"The Tan Functionn"cout<<"Enter a number:"cin>>number1;answer=tan(number1);cout<<

7、;"The tan of "<<number1<<" is "<<answer<<endl;cout<<"Press any key to continuen"getch();menu();void oopcalc:calcsqr()cout<<"The sqr Functionn"cout<<"Enter a number:"cin>>number1;answer=(number1*number1)

8、;cout<<"The sqr of "<<number1<<" is "<<answer<<endl;cout<<"Press any key to continuen"getch();menu();void oopcalc:calclog()cout<<"The Log Functionn"cout<<"Enter a number:"cin>>number1;if(number1&l

9、t;=0) cout<<"Bad input!n"cout<<"Press any key to continuen"getch();menu();elseanswer=log(number1);cout<<"The log of "<<number1<<" is "<<answer<<endl;cout<<"Press any key to continuen"getch();menu();doub

10、le oopcalc:calcadd(double number1,double number2) answer=number1+number2;return(answer);double oopcalc:calcsub(double number1,double number2) answer = number1-number2;return(answer);double oopcalc:calcdiv(double number1,double number2) if(number2=0)getch();menu();elseanswer = number1/number2;return(

11、answer);double oopcalc:calcmult(double number1,double number2) answer = number1*number2;return(answer);void oopcalc:calcfartocel()cout << "The Farenheit to Celsius Functionn"cout << "Enter a tempature in Farenheit: "cin >> number1;answer =(number1 - 32) * 5) / 9

12、;cout << "The tempature in Celsius is " << answer << endl;cout << "Press any key to continuen"getch();menu();void oopcalc:calcceltofar()cout << "The Celsius to Farenheit Functionn"cout << "Enter a tempature in Celsius: "cin

13、>> number1;answer =number1 * 9 / 5 + 32;cout << "The tempature in Farenheit is " << answer << endl;cout << "Press any key to continuen"getch();menu();void oopcalc:calcsroot()cout << "The Square Root Functionn"cout << "First

14、 number: "cin >> number1;if(number1<0) cout<<"your enter is incorrect,please enter a new numbern"getch();menu();elseanswer = sqrt(number1);cout << "The square root of " << number1 << " is " << answer << endl;cout <<

15、; "Press any key to continuen"getch();menu();void oopcalc:exitprog()exit(-1);void oopcalc:menu()oopcalc a;system("cls"); cout << "=MENU=n"cout <<"s:选择s进行正弦运算n"cout <<"c:选择c进行余弦运算n"cout <<"t:选择t进行正切运算n"cout <<&q

16、uot;g:选择g进行对数运算n"cout <<"n:选择n进行求平方运算n"cout << "1: 选择1进行混合运算n"cout << "2: 选择2进行华氏温度转化为摄氏温度的运算n"cout << "3: 选择3进行摄氏温度转化为华氏温度的运算n"cout << "4: 选择4进行求平方根运算n"cout << "5: 选择5进行测试n"cout << "6:选择6

17、退出运算n" cout << "请选择: "cin >> input;cout << "=n"switch (input)case 's':case 'S':a.calcsin();break;case 'c': case 'C': a.calccos();break;case 't':case 'T': a.calctan();break;case 'g':case 'G':a.c

18、alclog();break;case 'n':case 'N':a.calcsqr();break;case '1':a.caculate();break;case '2':a.calcfartocel();break;case '3':a.calcceltofar();break;case '4':a.calcsroot();break;case '5': a.test();break;case '6':a.exitprog();break;default :a.

19、badinput();void oopcalc:caculate() oopcalc a;cout<<"The Multifunction(混合四则运算)n"for(int n=1;n+)cout<<"Number"<<n<<"(Enter 0 to end entering):"cin>>numnif(numn=0)cout<<"Press any key to continuen"getch();menu();switch(k)case 1

20、:if(n=1)answer=num1;break;else answer=a.calcadd(answer,numn); cout<<"The answer is "<<answer<<endl;break;case 2:if(n=1)answer=num1;break;else answer=a.calcsub(answer,numn);cout<<"The answer is "<<answer<<endl;break;case 3:if(n=1)answer=num1;bre

21、ak;else answer=a.calcmult(answer,numn);cout<<"The answer is "<<answer<<endl;break;case 4:if(n=1)answer=num1;break;else answer=a.calcdiv(answer,numn);cout<<"The answer is "<<answer<<endl;break;label1:cout<<"Please choose the function

22、you want(+ or - or * or /):n"cin>>val;switch(val)case'+':k=1;break;case'-':k=2;break;case'*':k=3;break;case'/':k=4;break;default:cout<<"Bad input!n"goto label1;void oopcalc:test()cout<<"The Test Functionn"int s;float p;s=rand

23、()%4+1;srand ( time (NULL) );number1=rand()%MAX+1;number2=rand()%MAX+1;switch(s)case 1:cout<<number1<<'+'<<number2<<'='answer=calcadd(number1,number2);break;case 2:cout<<number1<<'-'<<number2<<'='answer=calcsub(number1,number2);break;case 3:cout<<number1<<'/'<<number2<<'='answer=calcdiv(number1,number2);break;case 4:cout&