Message: I'm looking for a braille math indicator for "is the equation true or false" In print the indicator is a question mark over an equal sign. Is there a braille symbol for this math expression? Thank you.
You will find the sign you are looking for on page 136 of the print edition of the Nemeth Braille Code for Mathematics and Scientific Notation. It is under comparrison signs. The entire sign is this:
dot 5, dots 4-6, 1-3, 1-2-6, 4-5-6, 2-3-6, 1-2-4-5-6.
I hope this helps.