
Brian Prophet
Great app, well worth the money, I've had need of it fewer times than I would have hoped, but, it did exactly what I needed every single time, for those having trouble, just make sure you're putting the data in correctly, so long as it understands what you told it, you'll get the correct answer. (I'd say it's likely user error, in most cases.)

A Google user
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This is probably THE best app for anybody in STEM (sometimes called STEAM). I think the sheer amount of information and and computational ability is worth far more than when $10. It's like better than an $100 graphing calculator and it's just an app?!?! Truly a work of art. Well, maybe not art. If the UI was updated and the whole app was better for navigating and getting lost down a rabbit home of interest, then this would be a TRUE with of art.
78 people found this review helpful

Thomas Kaldahl
Best app purchase I've ever made. Often I purchase apps and in-app items and forget about them a month or two later. This app has lasted me years, and I don't regret buying it at all. I do wish the keyboard was a little better, and there are plenty of UI fixes I would suggest. However, having the power of extended computation time is worth the trouble.
241 people found this review helpful