Apple Script Calculator Mac only

display dialog "What mathematical method you want?" buttons {"Plus", "Minus", "Other"}

if the button returned of the result is "Plus" then
    set One to text returned of (display dialog "First Numeral" default answer "" buttons {"OK"} default button 1)

    set two to text returned of (display dialog "Second Numeral" default answer "" buttons {"OK"})
    set three to One + two
    display dialog three buttons ("OK")

else

    if the button returned of the result is "Minus" then
        set One to text returned of (display dialog "First Numeral" default answer "" buttons {"OK"})

        set two to text returned of (display dialog "Second Numeral" default answer "" buttons {"OK"})
        set three to One - two
        display dialog three buttons ("OK")

    else

        if the button returned of the result is "Other" then
            display dialog "What Other method you want?" buttons {"Multiply", "Divide"}

            if the button returned of the result is "Multiply" then
                set One to text returned of (display dialog "First Numeral" default answer "" buttons {"OK"})

                set two to text returned of (display dialog "Second Numeral" default answer "" buttons {"OK"})
                set three to One * two
                display dialog three buttons {"OK"}

            else

                if the button returned of the result is "Divide" then
                    set One to text returned of (display dialog "First Numeral" default answer "" buttons {"OK"} default button 1)
                    set two to text returned of (display dialog "Second Numeral" default answer "" buttons {"OK"})
                    set three to One / two

                    display dialog three buttons {"OK"}
                end if
            end if
        end if
    end if
end if



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