function kalkulacka
a=input('Zadej cislo a: ');
b=input('Zadej cislo b: ');
z=input('Zadej operaci +,-,*,/,\: ','s');
switch(z)
    case '+'
        disp(a+b)
    case '-'
        disp(a-b)
    case '*'
        disp(a.*b)
    case '/'
        disp(a./b)
    case '\'
        disp(a.\b)  
    otherwise
        disp('toto nepocitam')
end
end

