jisuanqi.m

用MATLAB实现的计算器 用的是GUI制作的

 if strcmp(IsStart,'true')==1
temp=get(handles.text2,'String'); 
 if strcmp(temp,'0')~=1      
     if strcmp(IsNew,'true')==1
        set(handles.text2,'String','0');
        IsNew='false';
     else
        num=strcat(get(handles.text2,'String'),'0');
        set(handles.text2,'String',num);
     end   
 end 
end


% --- Executes on button press in pushbutton22.
%按键正负号+/-
function pushbutton22_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton22 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

global IsStart;
 if strcmp(IsStart,'true')==1
temp=get(handles.text2,'String');
if temp(1:1)=='-'
    temp=temp(2:end)
    set(handles.text2,'String',temp);
else
    temp=0-str2num(temp);
    set(handles.text2,'String',num2str(temp));
end
 
end


% --- Executes on button press in pushbutton23.
%按键 。小数点
function pushbutton23_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton23 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
global IsStart;
if strcmp(IsStart,'true')==1
temp=get(handles.text2,'String');
if find(temp=='.')>0
    ;
else
    temp=strcat(temp,'.');
    set(handles.text2,'String',temp);
end
end

% --- Executes on button press in pushbutton24.
%按键close
function pushbutton24_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton24 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
set(handles.text2,'string','');


% --- Executes on button press in pushbutton29.
%按键加号+
function pushbutton29_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton29 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
global   Number1;% --- 操作数1
global   Number2;% --- 操作数2
global   opvalue;% --- 运算符
global   IsNew;% --- 操作数新得开始
global   IsStart;
 if strcmp(IsStart,'true')==1
 if strcmp(Number1,'')~=1
      Number2=str2num(get(handles.text2,'String')); 
      Number1=calculate(Number1,Number2,opvalue);
      set(handles.text2,'String',num2str(Number1));   
      opvalue='+';
      Number2='';
    else
        opvalue='+';
        Number1=str2num(get(handles.text2,'String')); 
end
     IsNew='true';
 
 end


% --- Executes on button press in pushbutton30.
%按键减号-
function pushbutton30_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton30 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
global   Number1;% --- 操作数1
global   Number2;% --- 操作数2
global opvalue;% --- 运算符
global IsNew;% --- 操作数新得开始
global IsStart;
 if strcmp(IsStart,'true')==1
 if strcmp(Number1,'')~=1
      Number2=str2num(get(handles.text2,'String')); 
      Number1=calculate(Number1,Number2,opvalue);
      set(handles.text2,'String',num2str(Number1));   
      opvalue='-';
      Number2='';
    else
        opvalue='-';
        Number1=str2num(get(handles.text2,'String')); 
end
     IsNew='true';
 end

% --- Executes on button press in pushbutton31.
%按键乘号*
function pushbutton31_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton31 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
global   Number1;% --- 操作数1
global   Number2;% --- 操作数2
global opvalue;% --- 运算符
global IsNew;% --- 操作数新得开始
global IsStart;
 if strcmp(IsStart,'true')==1
 if strcmp(Number1,'')~=1
      Number2=str2num(get(handles.text2,'String')); 
      Number1=calculate(Number1,Number2,opvalue);
      set(handles.text2,'String',num2str(Number1));   
      opvalue='*';
      Number2='';
    else
        opvalue='*';
        Number1=str2num(get(handles.text2,'String')); 
end
     IsNew='true';
 end


% --- Executes on button press in pushbutton32.
%按键除号/
function pushbutton32_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton32 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
global   Number1;% --- 操作数1
global   Number2;% --- 操作数2
global opvalue;% --- 运算符
global IsNew;% --- 操作数新得开始
global IsStart;
 if strcmp(IsStart,'true')==1
 if strcmp(Number1,'')~=1
      Number2=str2num(get(handles.text2,'String')); 
      Number1=calculate(Number1,Number2,opvalue);
      set(handles.text2,'String',num2str(Number1));   
      opvalue='/';
      Number2='';
    else
        opvalue='/';
        Number1=str2num(get(handles.text2,'String')); 
end
     IsNew='true';
 end


% --- Executes on button press in pushbutton33.
%按键开方sqrt
function pushbutton33_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton33 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
global   Number1;% --- 操作数1
global   Number2;% --- 操作数2
global opvalue;% --- 运算符
global IsNew;% --- 操作数新得开始
global IsStart;
 if strcmp(IsStart,'true')==1
    temp=str2num(get(handles.text2,'String')); 
   if temp~=0
        sqrt(temp)
       set(handles.text2,'String',num2str( sqrt(temp))); 
        Number1='';
        Number2='';
   end
       IsNew='true';
 end 


% --- Executes on button press in pushbutton34.
%按键取对数log
function pushbutton34_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton34 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
global   Number1;% --- 操作数1
global   Number2;% --- 操作数2
global opvalue;% --- 运算符
global IsNew;% --- 操作数新得开始
global IsStart;
 if strcmp(IsStart,'true')==1
 if strcmp(Number1,'')~=1
      Number2=str2num(get(handles.text2,'String')); 
      Number1=calculate(Number1,Number2,opvalue);
      set(handles.text2,'String',num2str(Number1));   
      opvalue='log';
      Number2='';
    else
        opvalue='log';
        Number1=str2num(get(handles.text2,'String')); 
end
     IsNew='true';
 
 end


% --- Executes on button press in pushbutton35.
%按键求幂^
function pushbutton35_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton35 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
global   Number1;% --- 操作数1
global   Number2;% --- 操作数2
global opvalue;% --- 运算符
global IsNew;% --- 操作数新得开始
global IsStart;
 if strcmp(IsStart,'true')==1
 if strcmp(Number1,'')~=1
      Number2=str2num(get(handles.text2,'String')); 
      Number1=calculate(Number1,Number2,opvalue);
      set(handles.text2,'String',num2str(Number1));   
      opvalue='^';
      Number2='';
    else
        opvalue='^';
        Number1=str2num(get(handles.text2,'String')); 
end
     IsNew='true';
 end



% --- Executes on button press in pushbutton36.
%按键回退←
function pushbutton36_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton36 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
global IsNew;% --- 操作数新得开始
global IsStart;
if strcmp(IsStart,'true')==1
temp=get(handles.text2,'String'); 
 if strcmp(temp,'0')~=1
     if(max(size(temp))==1)
          set(handles.text2,'String',0); 
            IsNew='true';
      else
    set(handles.text2,'String',temp(1:end-1)); 
     end
else
    set(handles.text2,'String',0);
      IsNew='false';
end
end 

%按键=
% --- Executes on button press in pushbutton39.
function pushbutton39_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton39 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
global   Number1;
global   Number2;
global opvalue;
global IsStart;
 if strcmp(IsStart,'true')==1
 if strcmp(Number1,'')~=1
      Number2=str2num(get(handles.text2,'String')); 
      Number1=calculate(Number1,Number2,opvalue);
      set(handles.text2,'String',num2str(Number1));   
      Number1='';
      Number2='';
     IsNew='true';
end
end