Negative/Negation Sign

Gabriel Tellez gtbot2007 at
Fri Oct 28 14:39:29 CDT 2022

It’s not the minus sign tho. The calculator button might say (-) but the
calculator it self has a different symbol that basically a raised minus

On Fri, Oct 28, 2022 at 3:24 PM Marius Spix <marius.spix at> wrote:

> The minus sign IS in Unicode (U+2212 MINUS SIGN). The braces on the
> calculator key are for differentiation of the unary minus (negation)
> and the binary minus (subtraction). There is also a logical negation
> sign for propositional calculus (U+00AC NOT SIGN).
> Am Fri, 28 Oct 2022 11:53:54 -0400
> schrieb Gabriel Tellez via Unicode <unicode at>:
> > The negative sign (also known as the negation sign) found on graphing
> > calculator sets (such as the Ti-83/84 sets) appears to be absent from
> > Unicode. Is there a reason for this?
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