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calculator.m
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function varargout = calculator(varargin)
% CALCULATOR MATLAB code for calculator.fig
% CALCULATOR, by itself, creates a new CALCULATOR or raises the existing
% singleton*.
%
% H = CALCULATOR returns the handle to a new CALCULATOR or the handle to
% the existing singleton*.
%
% CALCULATOR('CALLBACK',hObject,eventData,handles,...) calls the local
% function named CALLBACK in CALCULATOR.M with the given input arguments.
%
% CALCULATOR('Property','Value',...) creates a new CALCULATOR or raises the
% existing singleton*. Starting from the left, property value pairs are
% applied to the GUI before calculator_OpeningFcn gets called. An
% unrecognized property name or invalid value makes property application
% stop. All inputs are passed to calculator_OpeningFcn via varargin.
%
% *See GUI Options on GUIDE's Tools menu. Choose "GUI allows only one
% instance to run (singleton)".
%
% See also: GUIDE, GUIDATA, GUIHANDLES
% Edit the above text to modify the response to help calculator
% Last Modified by GUIDE v2.5 30-Sep-2022 23:48:42
% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name', mfilename, ...
'gui_Singleton', gui_Singleton, ...
'gui_OpeningFcn', @calculator_OpeningFcn, ...
'gui_OutputFcn', @calculator_OutputFcn, ...
'gui_LayoutFcn', [] , ...
'gui_Callback', []);
if nargin && ischar(varargin{1})
gui_State.gui_Callback = str2func(varargin{1});
end
if nargout
[varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});
else
gui_mainfcn(gui_State, varargin{:});
end
% End initialization code - DO NOT EDIT
% --- Executes just before calculator is made visible.
function calculator_OpeningFcn(hObject, eventdata, handles, varargin)
% This function has no output args, see OutputFcn.
% hObject handle to figure
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% varargin command line arguments to calculator (see VARARGIN)
% Choose default command line output for calculator
handles.output = hObject;
% Update handles structure
guidata(hObject, handles);
% UIWAIT makes calculator wait for user response (see UIRESUME)
% uiwait(handles.figure1);
% --- Outputs from this function are returned to the command line.
function varargout = calculator_OutputFcn(hObject, eventdata, handles)
% varargout cell array for returning output args (see VARARGOUT);
% hObject handle to figure
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% Get default command line output from handles structure
varargout{1} = handles.output;
function screen_Callback(hObject, eventdata, handles)
% hObject handle to screen (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% Hints: get(hObject,'String') returns contents of screen as text
% str2double(get(hObject,'String')) returns contents of screen as a double
% --- Executes during object creation, after setting all properties.
function screen_CreateFcn(hObject, eventdata, handles)
% hObject handle to screen (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles empty - handles not created until after all CreateFcns called
% Hint: edit controls usually have a white background on Windows.
% See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
set(hObject,'BackgroundColor','white');
end
% --- Executes on button press in number4.
function number4_Callback(hObject, eventdata, handles)
% hObject handle to number4 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
S = get(handles.screen,'string');
set(handles.screen,'string',strcat(S,'4'));
% --- Executes on button press in number5.
function number5_Callback(hObject, eventdata, handles)
% hObject handle to number5 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
S = get(handles.screen,'string');
set(handles.screen,'string',strcat(S,'5'));
% --- Executes on button press in number6.
function number6_Callback(hObject, eventdata, handles)
% hObject handle to number6 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
S = get(handles.screen,'string');
set(handles.screen,'string',strcat(S,'6'));
% --- Executes on button press in number7.
function number7_Callback(hObject, eventdata, handles)
% hObject handle to number7 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
S = get(handles.screen,'string');
set(handles.screen,'string',strcat(S,'7'));
% --- Executes on button press in number8.
function number8_Callback(hObject, eventdata, handles)
% hObject handle to number8 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
S = get(handles.screen,'string');
set(handles.screen,'string',strcat(S,'8'));
% --- Executes on button press in number9.
function number9_Callback(hObject, eventdata, handles)
% hObject handle to number9 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
S = get(handles.screen,'string');
set(handles.screen,'string',strcat(S,'9'));
% --- Executes on button press in number1.
function number1_Callback(hObject, eventdata, handles)
% hObject handle to number1 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
S = get(handles.screen,'string');
set(handles.screen,'string',strcat(S,'1'));
% --- Executes on button press in number2.
function number2_Callback(hObject, eventdata, handles)
% hObject handle to number2 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
S = get(handles.screen,'string');
set(handles.screen,'string',strcat(S,'2'));
% --- Executes on button press in number3.
function number3_Callback(hObject, eventdata, handles)
% hObject handle to number3 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
S = get(handles.screen,'string');
set(handles.screen,'string',strcat(S,'3'));
% --- Executes on button press in coma.
function coma_Callback(hObject, eventdata, handles)
% hObject handle to coma (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
if not(strcmp(get(handles.screen,'string'),''))
S = get(handles.screen,'string');
set(handles.screen,'string',strcat(S,'.'));
end
% --- Executes on button press in number0.
function number0_Callback(hObject, eventdata, handles)
% hObject handle to number0 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
S = get (handles.screen,'string');
set(handles.screen,'string',strcat(S,'0'));
% --- Executes on button press in Pi.
function Pi_Callback(hObject, eventdata, handles)
% hObject handle to Pi (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
if strcmp(get(handles.screen,'string'),'')
set(handles.screen,'string','3.14');
end
% --- Executes on button press in square.
function square_Callback(hObject, eventdata, handles)
% hObject handle to square (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
set(handles.screen,'string',num2str(str2num(get(handles.screen,'string'))^2));
% --- Executes on button press in root.
function root_Callback(hObject, eventdata, handles)
% hObject handle to root (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
set(handles.screen,'string',num2str(sqrt(abs(str2num(get(handles.screen,'string'))))));
% --- Executes on button press in equals.
function equals_Callback(hObject, eventdata, handles)
% hObject handle to equals (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
global A B C D Selector
switch Selector
case 1
A = A/str2num(get(handles.screen,'string'));
set(handles.screen,'string',num2str(A));
case 2
B = B*str2num(get(handles.screen,'string'));
set(handles.screen,'string',num2str(B));
case 3
C = C-str2num(get(handles.screen,'string'));
set(handles.screen,'string',num2str(C));
case 4
D = D+str2num(get(handles.screen,'string'));
set(handles.screen,'string',num2str(D));
end
% --- Executes on button press in reset.
function reset_Callback(hObject, eventdata, handles)
% hObject handle to reset (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
set(handles.screen,'string','');
% --- Executes on button press in divide.
function divide_Callback(hObject, eventdata, handles)
% hObject handle to divide (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
global A Selector
A = str2num(get(handles.screen,'string'));
Selector = 1;
set(handles.screen,'string','');
% --- Executes on button press in multiply.
function multiply_Callback(hObject, eventdata, handles)
% hObject handle to multiply (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
global B Selector
B = str2num(get(handles.screen,'string'));
Selector = 2;
set(handles.screen,'string','');
% --- Executes on button press in minus.
function minus_Callback(hObject, eventdata, handles)
% hObject handle to minus (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
global C Selector
if strcmp(get(handles.screen,'string'),'')
set(handles.screen,'string','-');
else
C = str2num(get(handles.screen,'string'));
Selector = 3;
set(handles.screen,'string','');
end
% --- Executes on button press in plus.
function plus_Callback(hObject, eventdata, handles)
% hObject handle to plus (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
global D Selector
D = str2num(get(handles.screen,'string'));
Selector = 4;
set(handles.screen,'string','');