⌥⇧9 - left single typographical quotation mark ( ‘).⌥⇧7 - not-identical-to sign ( ≢), operator used in Julia.H⌥⇧6, results in Ĥ, denoting a Hilbert space operator ⌥⇧6 - hat for previous character, e.g.
![greek question mark mac greek question mark mac](http://image.slidesharecdn.com/4bthelawofkarma-131101233738-phpapp02/95/4b-the-law-of-karma-7-638.jpg)
⌥⇧5 - division sign ( ÷), integer division in Julia.
![greek question mark mac greek question mark mac](https://m.media-amazon.com/images/I/51L2FVrBAAL._SL500_.jpg)
![greek question mark mac greek question mark mac](https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/images/2019-10-16-14-02-29-685dd9.png)
Unicode symbols are accessed through the alt (“option”) key ⌥: The default keys are the standard US layout: Thus, using Ukelele, I created a keyboard layout “ U.S. Instant messaging (Slack/Discord) is a typical situation where I often want to type “unicode-math”. Still, there are lots of situations were round-tripping through vim is inconvenient, and it would be nice to be able to type unicode directly. I’ve gone so far as to have a KeyboardMaestro macro that copies the text of a web form, pastes it into a temporary file that it opens in vim, waits for vim to quit, and pastes the content of the file back into the web form. The latter is in fact my preferred way to type unicode, even beyond Julia. In my default text editor, vim, I have both the option to use digraphs and the julia-vim plugin to conveniently type out the extensive unicode symbols used in the Julia language. Moreover, it does not address the need for “scientific” unicode symbols. International - PC” keyboard layout that purports to provide accented characters, but I find it to be a bit cumbersome for the accents I type most frequently (German umlauts). I routinely find myself having to type a lot unicode symbols on US keyboards on macOS, both for accented characters in European languages (umlauts) and for various “math”.