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- Standard Braille Dot Numbering Convention
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-
- A standard braille cell consists of six dots arranged in three rows and two
- columns. Each dot can be specifically identified by its number as follows:
-
- Dot Position Row Col
- 1 top-left 1 1
- 2 middle-left 2 1
- 3 bottom-left 3 1
- 4 top-right 1 2
- 5 middle-right 2 2
- 6 bottom-right 3 2
-
- Computer braille has introduced a fourth row at the bottom.
-
- Dot Position Row Col
- 7 below-left 4 1
- 8 below-right 4 2
-
- Perhaps a picture will make this numbering convention easier to understand.
-
- 1 o o 4
- 2 o o 5
- 3 o o 6
- 7 o o 8
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