Example of Tactile Graphic Design:

Number Line

The following points indicate the braille code, format rules, and design techniques that were used for this tactile graphic example.

• Nemeth braille code
• use of blank line after cell-5 heading (5.3.2)
• non-use of letter indicator for alphabetic labels (single, capitalized) on distinctive markers (5.10.4)
• use of Special Symbols page to explain braille dot symbols (5.13, 6.5.1.13)
• non-use of numeric indicators for labels below the number line (6.5.1.1)
• use of blank lines before and after number line (6.5.1.2)
• inclusion of arrowheads as in print (6.5.1.3)
• alignment of first digit of numeric label with regular scale mark, even with a negative number (6.5.1.8)
• alignment of letter (not capital sign) with distinctive marker symbol (6.5.1.8)
• runover of number line with break before scale mark and indented two cells from start of number line (6.5.1.11)
• use of blank line before runover line (6.5.1.11)
• use of embossed braille symbols allowed for grades 4 and up (6.5.1.13)
• placement of regular scale marks embedded within number line (6.5.1.13)

Number Line

Number Line