Each IN-14 tube is able to display the following shapes: '
0 1 2 3 4 5 6 7 8 9' and pair decimal points.
Anode is Pin 1.
Cathodes 2, 13 are Decimal Points.
Cathodes 3-12 are Numerals: '1' is Pin 3; '2' is Pin 4, '3' is Pin 5, '4' is Pin 6, '5' is Pin 7, '6' is Pin 8, '7' is Pin 9, '8' is Pin 10, '9' is Pin 11, '0' is Pin 12.