Number box Block  Alt-N
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    TDE prompts you for the starting number, the increment, and
    whether to left or right justify the numbers.  TDE only handles
    integers  -  no floating point numbers are allowed.  I felt that
    there were too many things involved in real numbers, eg. number
    of significant places to left of decimal, to right of decimal,
    exponents, engineering form, scientific form, etc....  If you
    want real numbers, just use a combination of the number box
    and fill box functions.  Use the fill box function to make a
    column of decimals and the number box function to number the left
    and right side of the decimal.