Kalkyl is just a really good calculator.

• Optimized for quick calculations.
• Simple and intuitive design.
• Haptic feedback (on supported devices).
• Undo and Redo support (shake to Undo).
• Keyboard trackpad mode using 3D Touch (on supported devices), or two fingers on iPad.
• Basic graphing.
• Properly localized number formatting.
• App-wide dynamic type support.


Versione 2.2

• Percent.
• Copy and paste.
• External keyboard support.
• Trackpad mode - acceleration and force adjustments.
• Keyboard - loads of minor tweaks and fixes.
• Much better zooming in graphs.
• Improved layout of really, really long expressions and results.
• ... and various other improvements.

Valutazioni e recensioni

Yay, it works on my Ipad!

ang lee

I've been able to use it on my Ipad, but when opening the app the screen must be oriented vertically oterwise it will crash (as said in the description)
The animations are pretty cool, as well as the possibility to open files, the quite high resolution of 3d graphs and the cloud support.
It would be even cooler if scaling was less messy and you could rotate 3d graphs (and maybe add some perpective?).
Polar and/or implicit equations would also be great.

Cool but...


Could you please add functions like: ceil, flooor, max, min, mod, if et c.?
They are all reproducible using trigonometric functions and the sign function, wich are implemented, but it complicates things a lot, and the app cannot handle long expressions...
Thank you.

Doesn't work on ipad2


As the title i can't use it on my ipad2. I would like to have my money back if the problem cannot be resolved. An email on the support site would be really useful.


nordic io AB
8.9 MB
Richiede iOS 11.2 o versioni successive. Compatibile con iPhone 5s, iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, iPhone X, iPad Air, iPad Air Wi‑Fi + Cellular, iPad mini 2, iPad mini 2 Wi-Fi + Cellular, iPad Air 2, iPad Air 2 Wi‑Fi + Cellular, iPad mini 3, iPad mini 3 Wi-Fi + Cellular, iPad mini 4, iPad mini 4 Wi-Fi + Cellular, iPad Pro 12,9", iPad Pro 12,9" Wi-Fi + Cellular, iPad Pro 9,7", iPad Pro 9,7" Wi-Fi + Cellular, iPad (5a generazione), iPad Wi-Fi + Cellular (5a generazione), iPad Pro 12,9" (seconda generazione), iPad Pro 12,9" Wi‑Fi + Cellular (seconda generazione), iPad Pro 10,5", iPad Pro 10,5" Wi‑Fi + Cellular e iPod touch.
Classificazione: 4+
© 2018 nordic io AB


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