Pictorial Introduction to 'Graphics for The Blind'

Graphs 1

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Braille picture ¼ size

wrong

much better

1. Title on top.
2. Add 0 at axes' intersection. (Letter O in math, often number 0 elsewhere.)
3. Write X and Y along axes, explain below title (or, in a pinch, use for title.)
4. Use key to identify functions or other graph items.
5. Use dotted line for grid, if necessary; maybe grid can be reduced for clarity.
6. In math you only need numbers 1 along both axes.
   Note number 2 at the X-axis in the graph above: there is no room to place number 1.
   

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© 1989, 2002 Marco Schuffelen All Rights Reserved