Calculus: Areas and Volumes at App Store analyse

App power index: 100 (based on ranks around App Stores today)
Utilities Education
Developer: Planlet Inc.
Price: 0 free
Current version: 1.01, last update: 7 years ago
First release : 11 Jul 2015
App size: 1.23 Mb
4.4 ( 6144 ratings )
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Estimation application downloads and cost

> 2.2k
Monthly downloads
~ $ 900
Estimation App Cost


Ever wondered what you’re doing when taking an integral of a function? And what on Earth is the washer method?

Using this app, you can graph any two functions and find the area between them. The app performs a Riemann sum calculation, one pixel width at a time, to find the area. The formula used is:
Σ f(x)*Δx

You can also rotate this area around an axis of revolution and find the volume of a solid. Similar to the area calculation, the volume is calculated by rotating thin slices of the area around an axis. The formula used is:
Σ π * ([f(x)]^2- [g(x)]^2) * Δx

In the app, you can set the orientations of the functions and the axis of revolution to either horizontal or vertical (y(x) or x(y)).

Have fun graphing!
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Japan free
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Available for devices
iPad2Wifi, iPad23G, iPadThirdGen, iPadThirdGen4G, iPadFourthGen, iPadFourthGen4G, iPadMini, iPadMini4G, iPadAir, iPadAirCellular, iPadMiniRetina, iPadMiniRetinaCellular, iPadAir2, iPadAir2Cellular, iPadMini3, iPadMini3Cellular, iPadMini4, iPadMini4Cellular, iPadPro, iPadProCellular, iPadPro97, iPadPro97Cellular, iPad611, iPad612, iPad71, iPad72, iPad73, iPad74,