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Functions Study ADS performs the complete study of a real function of real variable y = f (x). All basic functions are supported (sin, cos, sinh, etc.) The app is designed for devices with a large screen, mainly iPad but can also be used with profit on the iPhone with a large screen (Iphone8, 8plus and the like). The free version will have advertising, to eliminate advertising buy the Functions Study app. To insert new functions (the functions available are in the Help section?), From the Functions menu select Insert Function, insert the function in the box above the graph, when you click on "return" the function will be validated. If you see the function with its derivatives on the right-hand blackboard, you have entered the function correctly, otherwise you will see an error message. The function can be saved in a database to be recalled at will from the Functions menu (Choose Function). From the analysis menu you can do the various stages of the study one by one. 1) Field of existence 2) Intersections with the axes 3) Vertical asymptotes and discontinuities 4) Horizontal and oblique asymptotes 5) First derivative study 6) Second derivative study If you prefer from the Functions menu you can select Complete Study and you will find on the right hand blackboard all the results related to the sections described above. The colors of the various elements of the chart and the size of the characters on the right hand side can be customized as desired by clicking on Settings. If you choose colors that do not satisfy you with a click you can restore the colors and the font size by default. The app is designed to work only with the larger side of your device as base (landscape). Good study.
