This is good, but for the next release, I have some ideas:
A ^ button for doing exponents
Making a shortcut to = with like, play/pause or something
Have the back button be the delete or clear (when tapped, it doesn't exit the app)
Perhaps cos, sin, and tan?
( and ) (I mean the parentheses)
etc., etc.
Thank you for making this, but I don't think I will use it very often, because I have Alg. II and then Pre Calc next year, and this is really basic.
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