首先来看下本人的开发环境
系统:win7
电脑:dell
运行环境:vs2015
语言:c++
简单计算器代码
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//四则运算 #include "stdafx.h" #include<iostream> #include<stdio.h> using namespace std; void add() { printf ( "输入要计算的加数(例如a b)\n" ); int adda=0, addb=0,addc=0; cin >> adda; cin >> addb; addc = adda+addb; cout <<adda<< "加" <<addb<< "等于" << addc << endl; } void substraction() { printf ( "输入要计算的减数(例如a b)\n" ); int suba = 0, subb = 0, subc = 0; cin >> suba; cin >> subb; subc = suba-subb; cout <<suba<< "减" <<subb<< "等于" << subc << endl; } void multiplication() { printf ( "输入要计算的乘数(例如a b)\n" ); int mula = 0, mulb = 0, mulc = 0; cin >> mula; cin >> mulb; mulc = mula*mulb; cout <<mula<< "乘" <<mulb<< "等于" << mulc << endl; } void division() { printf ( "输入要计算的除数(例如a b)\n" ); int dsa = 0, dsb = 0, dsc = 0,dsd=0; cin >> dsa; cin >> dsb; dsc = dsa/dsb; dsd = dsa%dsb; cout <<dsa<< "除" <<dsb<< "等于" << dsc << "余" <<dsd<<endl; } void operation() //运算函数 { printf ( "输入数据选择做那种运算\n" ); printf ( "输入0选择退出,1做加法,2做减法,3做乘法,4做除法(保留余数)\n" ); int operatione = 0; cin >> operatione; cout << endl; try { if (operatione == 1) { //加法 add(); } else if (operatione == 2) { //减法 substraction(); } else if (operatione == 3) { //乘法 multiplication(); } else if (operatione == 4) { //出发 division(); } else if (operatione == 0) { exit (0); } else { throw 1; } } catch ( int i) { cout << "输入错误" << endl; } operation(); } int main() { printf ( "欢迎使用本计算器" ); operation(); return 0; } |
代码比较简单,希望大家能够喜欢