A seven-segment display (SSD), or seven-segment indicator, is a form of electronic display device for displaying decimal numerals that is an alternative to the more complex dot-matrix displays. Seven-segment displays are widely used in digital clocks, electronic meters, and other electronic devices for displaying numerical information.
The segments of a 7-segment display are referred to by the letters A to G, as follows:
where the optional DP decimal point (an "eighth segment") is used for the display of non-integer numbers.
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