@( @) Brackets [ ] Ordered pair (a, b) (a, b) Exponent #3^2 (superscript) Baseline indicator + #2^2"+3^2 Tactile Graphics Mathematical Sign Nemeth symbol Coordinate grid (axis, N/A Tactile graphics origin) Grade 6 Unified English Braille Code Percent % .0 Formatting NONE Nemeth Braille Code Mathematical Sign Nemeth symbol /.k Not equal to ≠ Ratio 2 : 4 #2 "1 #4 @0 Percent % Absolute value of x \x\ |x| Is less than or equal "k: ≤ to Is greater than or .1: ≥ equal to Negative number = 3 -(-3) .k #3 –(–3)
Brackets [ ] @( @) Ordered pair (a, b) (a, b) Exponent (superscript) #3^2 Baseline indicator + #2^2"+3^2 Tactile Graphics Mathematical Sign Nemeth symbol Coordinate grid (axis, origin) N/A Tactile graphics Grade 6 Unified English Braille Code Percent % .0 Formatting NONE Nemeth Braille Code Mathematical Sign Nemeth symbol Not equal to ≠ /.k Ratio 2 : 4 #2 "1 #4 Percent % @0 Absolute value of x |x| \x\ Is less than or equal to ≤ "k: Is greater than or equal to ≥ .1: Negative number –(–3) = 3 -(-3) .k #3