Calculator++ is a beautifully designed and easy to use calculator for the iPhone. Featuring a convienient past-expressions pull-down menu with selectable answers, Calculator++ enables the use of past results in your current formula.
Calculator++ also has a delete button for editing your current formula.
Features:
Past Expressions pull-down menu with selectable results
Delete button for modifiying expressions
iPhone 5 compatible
Beautiful Retina & non-Retina artwork