This is Delphi edit that provides floating-point or integral numbers input.
It has properties to limit inputing numbers, separate (with separating
character) or not thousands by separator and more, ability to align text to
left, right and center. Also it controls clipboard to protect from pasting
incorrect value.

This control can be in two modes: insert and override digits. You can change
mode programmaticaly or pressing Insert keys. Fractional part is always in
override mode. Pressing Left Arrow key you can add zeroes at a begin of
number (very useful in financial applications).