Scientific Calculator Pro

★★★★★ Bought it after using the free version for more than a year. This calc is really excellent - highly configurable, perfect for power user! (especially like that you can output mixed fraction by default, and the configurable vibrate on key press)

★★★★★ Very easy to use...easy to write complex equations.... Thank you 👍

★★★★★ Mr. Stephens' new scientific calculator is capable of doing so much that it's going to take me a considerable amount of time to thoroughly test every one of its capabilities. Based on my efforts thus far, I fully anticipate that it will perform without fault. Certainly its cosmetics need some work in my opinion. Things like size and placement of secondary functions' labels on keys, space between the degrees symbol and minutes symbol and between the minutes symbol and seconds symbol ... minor stuff like that which will improve its appearance. So far, the only thing that I do not like about this calculator is its reporting of infinity (the symbol) as the result of a numerical calculation. If a calculator was to report that a particular limit is infinity, then fine; however, as an old school mathematician, I take exception to the statement 5 ÷ 0 = infinity, as if infinity was a numerical value. (Yes, I know how the statement is intended to be interpreted, nevertheless ...) I look forward to returning to edit these preliminary comments after spending much more time with this splendid calculator.