fractions rendering as "?"

I use Roccat as my browser for Salesforce.  I have to use fractions like one-sixth and one-third and when I type them, Roccat converts them to a fraction which when put into a form or online email client, turns it into a "?" mark.  It will probably do it in this topic posting - here is the way I am doing it now, with spaces, 1 / 3 and 1 / 6.  Now the other way ⅓ and ⅙.  Please tell me if I cannot turn off this automatic fraction creating feature as it is not working for some fractions.  Thanks.

The fractions in this the fractions in your post display fine for me, the automatic fraction conversion is an OSX feature not a Roccat feature.

Try changing the fonts in Roccat>Preferences and then Visual Preferences

Visual Preferences did not work.  Try typing "⅙" or "⅓" page in a form and see if it changes from  1 / 3 to ⅓  - as shown in this grab I've attached.  I'm using Chrome for that site and it does not do this.  

What about Safari? As Chrome doesn't use Apple's native programming language Objective-C/Cocoa.

We are not seeing this behaviour, maybe try uncheckling some of the "Edit > Substitutions" features