mentry::fixedPointMentry
  Commandmentry::fixedPointMentry – Create and manipulate
    mentry widgets for real numbers in fixed-point formatmentry::fixedPointMentry pathName count1 count2 ?-comma? ?options?
pathName
    for displaying and editing real numbers in fixed-point format, with
    count1 characters before and count2
    digits after the decimal point.  Both count1 and
    count2 must be positive integers.  The mentry will
    have two entry children, separated by a label displaying a
    "." character by default; the optional
    -comma switch changes the label text to
    ",".  The supported options
    are the same as in the case of the mentry::mentry command.type attribute of
    the widget to the value "FixedPoint" and returns the name of
    the newly created widget.mentry::putReal Commandmentry::putReal – Output a real number to a mentry
    of type "FixedPoint"mentry::putReal number pathName
number to the
    mentry widget pathName, which must have been created
    with the mentry::fixedPointMentry command (this
    is checked by examining the widget's type attribute,
    which must have the value "FixedPoint").mentry::getReal Commandmentry::getReal – Get a real number from a mentry of
    type "FixedPoint"mentry::getReal pathName
pathName, which must have been created with the
    mentry::fixedPointMentry command (this
    is checked by examining the widget's type attribute,
    which must have the value "FixedPoint")."EMPTY".