I realize there are a lot of questions like this already, but read on please, this one is most likely different.
So I have been working on a calculator app, and I would like the user to be able to press a button and be provided with the layout for a mathematical function (square, sqrt, log, etc.). This is a little hard to explain, so here is a screenshot of what I need, directly from Apple's grapher app:
See, the user can press one of these, and it will be inserted into the text field directly, and the user can then edit any attributes.
I would like to accomplish this while still being able to use a UITextField, so really, any suggestions or recommendations would be much appreciated, I just can't solve this.