Grade 7 Literary Braille Code NONE Formatting NONE Nemeth Braille Code Mathematical Sign Nemeth symbol Measure of m$[ ,a,b,c ∠ABC Complex fraction indicators ,??3/8#,/5,# opening/closing with horizontal line ,?2_/3,/3_/2,# opening/closing with diagonal line Repetend #3.333: (horizontal modifying 3.333 bar) $r Rectangle N/A Triangle N/A $t Is approximately ≈ @:@: equal to Is congruent to @:.k Is similar to @: ~ Triangle with vertices ∆ABC $t ,a,b,c A, B, and C $c Circle N/A Greek letter indicator N/A . Pi .p (using capital Δy ?.,dy/.,dx# delta) Δx
Grade 7 Literary Braille Code NONE Formatting NONE Nemeth Braille Code Mathematical Sign Nemeth symbol Measure of ∠ABC m$[ ,a,b,c Complex fraction indicators opening/closing with horizontal line opening/closing with diagonal line ,??3/8#,/5,# ,?2_/3,/3_/2,# Repetend (horizontal modifying bar) 3.333 #3.333: Rectangle N/A $r Triangle N/A $t Is approximately equal to ≈ @:@: Is congruent to @:.k Is similar to ~ @: Triangle with vertices A, B, and C ∆ABC $t ,a,b,c Circle N/A $c Greek letter indicator N/A . Pi .p (using capital delta) Δy Δx ?.,dy/.,dx#