Amazing calculator app!
This is a very impressive calculator, all the more so for being written by a single developer. Tons of features yes, but it’s the internal functionality that really amazes me. Try entering 10^100+1-10^100 and arcsin(arccos(arctan(tan(cos(sin(9)))))) into another calculator or calculator app. Most will get these wrong because of floating point rounding errors. I would love to see how this app actually handles things. It must be some combination of symbolic and numerical calculations. Again, really impressive stuff.
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Great for engineers
I use this almost every day for work and personal projects and it has everything I could ask for in a calculator!
The only calculator you'll ever need
Does so much, very streamlined for the most part. I use it for multi-step calculations regularly and there's nothing quicker. Would like to see base conversion added as a feature.
Love the app, needs some fixes
I love this app and have been using it a long time. I used to use the free version but bought the pro mostly to support the developers but I have to use the free version for some things. For example, when I try to use Days Between Dates it immediately crashes the pro version but not the classic version. This app is great but needs some updates
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Please update i really need this app in my life :(
I’m mostly writing this revoew in hopes that the dev sees. Ive been using this app for years as my graphing calucluator, and its amazing. However since updating my phone it doesnt work, and i can’t even get to setting in order to write the developer directly. I hope this is a bug that gets fixed quickly, and that the deceloper is alright
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The only calculator app you'll ever need
I've had this calculator for years and I'm still finding out about new things it can do to this day. It's gotten me from algebra through three levels of calculus and made it all so simple. The size of this thing is insane, there's so much to explore and it can store a ridiculous number of graphs/matrices/data sets all at once. It's easy to customize and tune it to any type of math that you're doing at the moment so that your most used functions are always just one touch away. Seriously, just install it and you won't need to download another one ever again.
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Nice Calculator
I am a real user of this app and it is a good one. It puts all of the power of a scientific calculator on your cell phone. Super easy to use: you can see all of your calculations, edit them, and reuse them. Kudos to the developer. Keep up the great work.
Best Graphing Calculator
Input is on a separate tab from the actual graphing so input won’t cloud up the screen, and you can zoom on each axis independently. It can graph implicit and explicit equations (up to 20 explicit!). And it can graph derivatives and integrals for you, so you don’t need to find their analytical form ahead of time. Last, it supports user defined functions. Great!!
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Very good app
Fantastic app . So much info. This app is well done. Help me and my kids a lot. Thank you
Complex miscue
It correctly calculates e^(I x pi) as -1, but says that ln(-1) is undefined ????!
Promises a lot delivers little
Too bad I can’t get my money back for this app, it can’t graph simple user equations. Whats the point.
Night Theme
How about introducing a night theme for the calculator?
Matrix Calculator is very difficult to find
I bought this app for the matrix and vector calculator. It took me forever to find it, but I finally did. It’s buried in the settings. Other than that difficulty the app is great.
Really really good calculator
I only wish school would let me use it during tests
Fantastic Calculator!
Has everything except calculus. Great graphing capabilities, easy to use. Love it.
Good but .......
Latest upgrade: cannot access references!!
Fantastic!
It is clear that a lot of thought and effort went into making this the best calculator app (imo). Really well done, worth more than it costs, so get it!
Better than Desmos
It’s good
Helpful!
This app is incredibly helpful and useful
Graph Calculator
Wish I hadn't purchased it. References don't work or only work once, then you have to close the program and re select a reference... Inputting information is not intuitive..looks like you can select one reference to read, but when you back out of it, you are unable to select another unless you exit the program and restart it.
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