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📄 计算器dlg.cpp

📁 这是一款非常实用的计算器,我认为其实用程度远远胜过Windows系统提供的计算器.主要特色是支持多项式运算,即可以一次输入整个多项式,并能够识别运算的优先级(利用堆栈实现),
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123 
	else 
	{
		if(symbol!='(')
		stack2.push(amount);
		do{
			stack1.get_top(symbol);
			stack1.pop();
			stack2.get_top(operate1);
			stack2.pop();
			stack2.get_top(operate2);
			stack2.pop();
			if(symbol=='+') operate=operate2+operate1;
			if(symbol=='-') operate=operate2-operate1;
			else if(symbol=='*') operate=operate2*operate1;
			else if(symbol=='/') operate=operate2/operate1;
			stack2.push(operate);  
		}while(symbol!='#');
		answer=log(operate);
		display="ln("+display+")";
		GetDlgItem(IDC_EDIT2)->ShowWindow(SW_SHOW);
		GetDlgItem(IDC_STATICB)->ShowWindow(SW_SHOW);
		amount=answer;
		stack1.push('#');
		haveparent=true;
	}
	UpdateData(FALSE);
}

void CMyDlg::OnBnClickedButtonlg()
{
	// TODO: 在此添加控件通知处理程序代码
	if(stack2.empty()==true)
		haveparent=true;
	if(haveparent==true&&stack2.empty()==true)
	{
		answer=log10(amount);
		display="lg"+display;
		GetDlgItem(IDC_EDIT2)->ShowWindow(SW_SHOW);
		GetDlgItem(IDC_STATICB)->ShowWindow(SW_SHOW);
		amount=answer;
		stack1.push('#');
		haveparent=true;
	}
	else 
	{
		if(symbol!='(')
		stack2.push(amount);
		do{
			stack1.get_top(symbol);
			stack1.pop();
			stack2.get_top(operate1);
			stack2.pop();
			stack2.get_top(operate2);
			stack2.pop();
			if(symbol=='+') operate=operate2+operate1;
			if(symbol=='-') operate=operate2-operate1;
			else if(symbol=='*') operate=operate2*operate1;
			else if(symbol=='/') operate=operate2/operate1;
			stack2.push(operate);  
		}while(symbol!='#');
		answer=log10(operate);
		display="lg("+display+")";
		GetDlgItem(IDC_EDIT2)->ShowWindow(SW_SHOW);
		GetDlgItem(IDC_STATICB)->ShowWindow(SW_SHOW);
		amount=answer;
		stack1.push('#');
		haveparent=true;
	}
	UpdateData(FALSE);
}

void CMyDlg::OnBnClickedButtoncot()
{
	// TODO: 在此添加控件通知处理程序代码
	if(stack2.empty()==true)
		haveparent=true;
	if(haveparent==true&&stack2.empty()==true)
	{
		answer=1/tan(amount);
		display="Cot"+display;
		GetDlgItem(IDC_EDIT2)->ShowWindow(SW_SHOW);
		GetDlgItem(IDC_STATICB)->ShowWindow(SW_SHOW);
		amount=answer;
		stack1.push('#');
		haveparent=true;
	}
	else 
	{
		if(symbol!='(')
		stack2.push(amount);
		do{
			stack1.get_top(symbol);
			stack1.pop();
			stack2.get_top(operate1);
			stack2.pop();
			stack2.get_top(operate2);
			stack2.pop();
			if(symbol=='+') operate=operate2+operate1;
			if(symbol=='-') operate=operate2-operate1;
			else if(symbol=='*') operate=operate2*operate1;
			else if(symbol=='/') operate=operate2/operate1;
			stack2.push(operate);  
		}while(symbol!='#');
		answer=1/tan(operate);
		display="Cot("+display+")";
		GetDlgItem(IDC_EDIT2)->ShowWindow(SW_SHOW);
		GetDlgItem(IDC_STATICB)->ShowWindow(SW_SHOW);
		amount=answer;
		stack1.push('#');
		haveparent=true;
	}
	UpdateData(FALSE);
}

void CMyDlg::OnBnClickedButtontan()
{
	// TODO: 在此添加控件通知处理程序代码
	if(stack2.empty()==true)
		haveparent=true;
	if(haveparent==true&&stack2.empty()==true)
	{
		answer=tan(amount);
		display="Tan"+display;
		GetDlgItem(IDC_EDIT2)->ShowWindow(SW_SHOW);
		GetDlgItem(IDC_STATICB)->ShowWindow(SW_SHOW);
		amount=answer;
		stack1.push('#');
		haveparent=true;
	}
	else 
	{
		if(symbol!='(')
		stack2.push(amount);
		do{
			stack1.get_top(symbol);
			stack1.pop();
			stack2.get_top(operate1);
			stack2.pop();
			stack2.get_top(operate2);
			stack2.pop();
			if(symbol=='+') operate=operate2+operate1;
			if(symbol=='-') operate=operate2-operate1;
			else if(symbol=='*') operate=operate2*operate1;
			else if(symbol=='/') operate=operate2/operate1;
			stack2.push(operate);  
		}while(symbol!='#');
		answer=tan(operate);
		display="Tan("+display+")";
		GetDlgItem(IDC_EDIT2)->ShowWindow(SW_SHOW);
		GetDlgItem(IDC_STATICB)->ShowWindow(SW_SHOW);
		amount=answer;
		stack1.push('#');
		haveparent=true;
	}
	UpdateData(FALSE);
}

void CMyDlg::OnBnClickedButtoncos()
{
	// TODO: 在此添加控件通知处理程序代码
	if(stack2.empty()==true)
		haveparent=true;
	if(haveparent==true&&stack2.empty()==true)
	{
		answer=cos(amount);
		display="Cos"+display;
		GetDlgItem(IDC_EDIT2)->ShowWindow(SW_SHOW);
		GetDlgItem(IDC_STATICB)->ShowWindow(SW_SHOW);
		amount=answer;
		stack1.push('#');
		haveparent=true;
	}
	else 
	{
		if(symbol!='(')
		stack2.push(amount);
		do{
			stack1.get_top(symbol);
			stack1.pop();
			stack2.get_top(operate1);
			stack2.pop();
			stack2.get_top(operate2);
			stack2.pop();
			if(symbol=='+') operate=operate2+operate1;
			if(symbol=='-') operate=operate2-operate1;
			else if(symbol=='*') operate=operate2*operate1;
			else if(symbol=='/') operate=operate2/operate1;
			stack2.push(operate);  
		}while(symbol!='#');
		answer=cos(operate);
		display="Cos("+display+")";
		GetDlgItem(IDC_EDIT2)->ShowWindow(SW_SHOW);
		GetDlgItem(IDC_STATICB)->ShowWindow(SW_SHOW);
		amount=answer;
		stack1.push('#');
		haveparent=true;
	}
	UpdateData(FALSE);
}

void CMyDlg::OnBnClickedButtonsin()
{
	// TODO: 在此添加控件通知处理程序代码
	if(stack2.empty()==true)
		haveparent=true;
	if(haveparent==true&&stack2.empty()==true)
	{
		answer=sin(amount);
		display="Sin"+display;
		GetDlgItem(IDC_EDIT2)->ShowWindow(SW_SHOW);
		GetDlgItem(IDC_STATICB)->ShowWindow(SW_SHOW);
		amount=answer;
		stack1.push('#');
		haveparent=true;
	}
	else 
	{
		if(symbol!='(')
		stack2.push(amount);
		do{
			stack1.get_top(symbol);
			stack1.pop();
			stack2.get_top(operate1);
			stack2.pop();
			stack2.get_top(operate2);
			stack2.pop();
			if(symbol=='+') operate=operate2+operate1;
			if(symbol=='-') operate=operate2-operate1;
			else if(symbol=='*') operate=operate2*operate1;
			else if(symbol=='/') operate=operate2/operate1;
			stack2.push(operate);  
		}while(symbol!='#');
		answer=sin(operate);
		display="Sin("+display+")";
		GetDlgItem(IDC_EDIT2)->ShowWindow(SW_SHOW);
		GetDlgItem(IDC_STATICB)->ShowWindow(SW_SHOW);
		amount=answer;
		stack1.push('#');
		haveparent=true;
	}
	UpdateData(FALSE);
}



void CMyDlg::OnBnClickedButtonarcsin()
{
	// TODO: 在此添加控件通知处理程序代码
	if(stack2.empty()==true)
		haveparent=true;
	if(haveparent==true&&stack2.empty()==true)
	{
		answer=asin(amount);
		display="arcSin"+display;
		GetDlgItem(IDC_EDIT2)->ShowWindow(SW_SHOW);
		GetDlgItem(IDC_STATICB)->ShowWindow(SW_SHOW);
		amount=answer;
		stack1.push('#');
		haveparent=true;
	}
	else 
	{
		if(symbol!='(')
		stack2.push(amount);
		do{
			stack1.get_top(symbol);
			stack1.pop();
			stack2.get_top(operate1);
			stack2.pop();
			stack2.get_top(operate2);
			stack2.pop();
			if(symbol=='+') operate=operate2+operate1;
			if(symbol=='-') operate=operate2-operate1;
			else if(symbol=='*') operate=operate2*operate1;
			else if(symbol=='/') operate=operate2/operate1;
			stack2.push(operate);  
		}while(symbol!='#');
		answer=asin(operate);
		display="arcSin("+display+")";
		GetDlgItem(IDC_EDIT2)->ShowWindow(SW_SHOW);
		GetDlgItem(IDC_STATICB)->ShowWindow(SW_SHOW);
		amount=answer;
		stack1.push('#');
		haveparent=true;
	}
	UpdateData(FALSE);
}

void CMyDlg::OnBnClickedButtonarccos()
{
	// TODO: 在此添加控件通知处理程序代码
	if(stack2.empty()==true)
		haveparent=true;
	if(haveparent==true&&stack2.empty()==true)
	{
		answer=acos(amount);
		display="arcCos"+display;
		GetDlgItem(IDC_EDIT2)->ShowWindow(SW_SHOW);
		GetDlgItem(IDC_STATICB)->ShowWindow(SW_SHOW);
		amount=answer;
		stack1.push('#');
		haveparent=true;
	}
	else 
	{
		if(symbol!='(')
		stack2.push(amount);
		do{
			stack1.get_top(symbol);
			stack1.pop();
			stack2.get_top(operate1);
			stack2.pop();
			stack2.get_top(operate2);
			stack2.pop();
			if(symbol=='+') operate=operate2+operate1;
			if(symbol=='-') operate=operate2-operate1;
			else if(symbol=='*') operate=operate2*operate1;
			else if(symbol=='/') operate=operate2/operate1;
			stack2.push(operate);  
		}while(symbol!='#');
		answer=acos(operate);
		display="arcCos("+display+")";
		GetDlgItem(IDC_EDIT2)->ShowWindow(SW_SHOW);
		GetDlgItem(IDC_STATICB)->ShowWindow(SW_SHOW);
		amount=answer;
		stack1.push('#');
		haveparent=true;
	}
	UpdateData(FALSE);
}

void CMyDlg::OnBnClickedButtonarctan()
{
	// TODO: 在此添加控件通知处理程序代码
	if(stack2.empty()==true)
		haveparent=true;
	if(haveparent==true&&stack2.empty()==true)
	{
		answer=atan(amount);
		display="arcTan"+display;
		GetDlgItem(IDC_EDIT2)->ShowWindow(SW_SHOW);
		GetDlgItem(IDC_STATICB)->ShowWindow(SW_SHOW);
		amount=answer;
		stack1.push('#');
		haveparent=true;
	}
	else 
	{
		if(symbol!='(')
		stack2.push(amount);
		do{
			stack1.get_top(symbol);
			stack1.pop();
			stack2.get_top(operate1);
			stack2.pop();
			stack2.get_top(operate2);
			stack2.pop();
			if(symbol=='+') operate=operate2+operate1;
			if(symbol=='-') operate=operate2-operate1;
			else if(symbol=='*') operate=operate2*operate1;
			else if(symbol=='/') operate=operate2/operate1;
			stack2.push(operate);  
		}while(symbol!='#');
		answer=atan(operate);
		display="arcTan("+display+")";
		GetDlgItem(IDC_EDIT2)->ShowWindow(SW_SHOW);
		GetDlgItem(IDC_STATICB)->ShowWindow(SW_SHOW);
		amount=answer;
		stack1.push('#');
		haveparent=true;
	}
	UpdateData(FALSE);
}

void CMyDlg::OnBnClickedButtonarccot()
{
	// TODO: 在此添加控件通知处理程序代码
	if(stack2.empty()==true)
		haveparent=true;
	if(haveparent==true&&stack2.empty()==true)
	{
		answer=3.1415926/2-atan(amount);
		display="arcCot"+display;
		GetDlgItem(IDC_EDIT2)->ShowWindow(SW_SHOW);
		GetDlgItem(IDC_STATICB)->ShowWindow(SW_SHOW);
		amount=answer;
		stack1.push('#');
		haveparent=true;
	}
	else 
	{
		if(symbol!='(')
		stack2.push(amount);
		do{
			stack1.get_top(symbol);
			stack1.pop();
			stack2.get_top(operate1);
			stack2.pop();
			stack2.get_top(operate2);
			stack2.pop();
			if(symbol=='+') operate=operate2+operate1;
			if(symbol=='-') operate=operate2-operate1;
			else if(symbol=='*') operate=operate2*operate1;
			else if(symbol=='/') operate=operate2/operate1;
			stack2.push(operate);  
		}while(symbol!='#');
		answer=3,1415926/2-atan(operate);
		display="arcCot("+display+")";
		GetDlgItem(IDC_EDIT2)->ShowWindow(SW_SHOW);
		GetDlgItem(IDC_STATICB)->ShowWindow(SW_SHOW);
		amount=answer;
		stack1.push('#');
		haveparent=true;
	}
	UpdateData(FALSE);
}

void CMyDlg::OnBnClickedButtonpi()
{
	// TODO: 在此添加控件通知处理程序代码
	display=display+"∏";
	UpdateData(FALSE);
	n=1;
	amount=3.14159265;
}


void CMyDlg::OnBnClickedButtonbackspace()
{
	// TODO: 在此添加控件通知处理程序代码
	CString string = display.Right(1);
	if(string!="0"&&string!="1"&&string!="2"&&string!="3"&&string!="4"&&string!="5"&&string!="6"&&string!="7"&&string!="8"&&string!="9"&&string!=".")
	{
		AfxMessageBox("不能删除运算符!");
		return;
	}
	display=display.Left(display.GetLength()-1);
	UpdateData(FALSE);
	if(string==".")
	{
		dot=0;
	    return;
	}
	
	if(dot==0)
		amount=static_cast<int>(amount/10);
	else if(dot!=0)
	{	
		n=1;
		for(int i=0;i<dot-1;i++)
			n=n*10;	
		amount=static((static_cast<int>(amount*n))/10)/(n/10);
		dot--;
	}
	return;

}
123

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