function Start_OpeningFcn(hObject, eventdata, handles, varargin)
handles.output = hObject;
guidata(hObject, handles);
[num, txt, raw] = xlsread('Speciesdata.xlsx',1,'a2:f18');
set(handles.bigbox,'UserData',num);
set(handles.popupmenu1, 'String', txt);
set(get(handles.plot_area,'XLabel'),'String','Temperature ()')
set(get(handles.plot_area,'YLabel'),'String','Saturation Pressure ()')
function popupmenu1_Callback(hObject, eventdata, handles)
contents = get(handles.popupmenu1,'Value');
num = get(handles.bigbox,'UserData');
if contents < 17
n = contents;
set(handles.uitable1, 'Data', num(n,1:5));
else n = 17;
end
t = num(n,4):4:num(n,5);
y = 10.^(num(n,1) - (num(n,2)./(num(n,3) + t)));
line(t,y);