It supports complex mathematical operations and concepts such as derivation, integration, data plotting, and unit conversion. Furthermore, there are several customizations to the look of the background that I found to be well worth the full price (built-in, or more personalized-deep purple leather with dark stitching, be still my heart).Qalculate! is an arbitrary precision cross-platform software calculator. I really, really like how the notes keep track of all of the calculations, not just the numbers, and they can be sent to my printer. This calculator was perfect, giving the user the option to choose either way. I was about to despair when 7th Gear's Calculator! showed up in my wanderings thru the App Store (no, it didn't show up when I did a search under 'calculator'). I couldn't even find where the in-app purchase place was to buy myself out of ad hell!) (I also found one that made me think of killing myself if I couldn't find a way to avoid touching an ad-not cool on a calculator, even for a try-out.

After downloading a number of freebies, I was beginning to think that there wasn't a way to not have all of the extra bells and whistles. If it would give me a record of the numbers and totals, I would definitely pay for it. I looked for a usable replacement-large, user-friendly without so many functions that I would need another degree just to be able to use it. I was unhappy when my old iPad calculator app became a liability on iOS 10.

However, I just had to say how great a find thiis calculator is.

$Qalculate! 4.7 for ios instal free$

I am a wordy reviewer so I am also infrequent.