cos⁻¹ button title in Swift

Question

I have an calculator app, and current the cos⁻¹ button looks like this:

But I want it to look like this:

What is the easiest way of accomplishing this? Is there any way of doing this without messing with NSAttributedString? Are there any special characters that I can use?

Answer 1

That's perfectly doable. There are unicode characters for superscripted digits and the "-" sign. Just paste the string cos⁻¹ into your button title, label, or other view with text content. (You can even copy/paste from this answer)

I got the characters from this link:

https://en.wikipedia.org/wiki/Unicode_subscripts_and_superscripts