function pushbutton1_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton1 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
a=str2double(get(handles.editA,'String'));
b=str2double(get(handles.editB,'String'));
h=(b-a)/100;
t=a:h:b;

if get(handles.rbs,'Value') == 1
    plot(t, sin(t));
elseif get(handles.rbc,'Value') == 1
    plot(t, cos(t));
elseif get(handles.rbt,'Value') == 1
    plot(t, tan(t));
elseif get(handles.rbsh,'Value') == 1
	plot(t, sinh(t));
elseif get(handles.rbch,'Value') == 1
    plot(t, cosh(t));
elseif get(handles.rbth,'Value') == 1
    plot(t, tanh(t));
elseif get(handles.rbe,'Value') == 1
    plot(t, exp(t));
elseif get(handles.rbln,'Value') == 1
    plot(t, log(t));
end

if get(handles.checkbox_x,'Value' )==1
   set(gca,'XGrid','on' );
else
   set(gca,'XGrid','off' );
end
if get(handles.checkbox_y,'Value' )==1
   set(gca,'YGrid','on' );
else
   set(gca,'YGrid','off');
end


% --- Executes on button press in checkbox_x.
function checkbox_x_Callback(hObject, eventdata, handles)
% hObject    handle to checkbox_x (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
if get(hObject, 'Value') == 1
    set(gca, 'XGrid', 'on');
else
    set(gca, 'XGrid', 'off');
end

% --- Executes on button press in checkbox_y.
function checkbox_y_Callback(hObject, eventdata, handles)
% hObject    handle to checkbox_y (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
if get(hObject, 'Value') == 1
    set(gca, 'YGrid', 'on');
else
    set(gca, 'YGrid', 'off');
end