# Search Tutorials

Android is an open source and Linux-based Operating System for mobile devices such as smartphones and tablet computers. Android Studio is the official IDE for android application development. App development on Android was almost exclusively done using the Java programming language. Kotlin is a new open source programming language built by JetBrains, known for IntelliJ IDEA (Android Studio is based on IntelliJ IDEA). Kotlin is a language that runs on the JVM (Java Virtual Machine). Google has announced Kotlin as an official language on Android. Kotlin, is a statically typed programming language for the JVM, Android and the browser. It’s deep interoperability with Java, which attracts more Java developers. It is tools-friendly as IDE gives suggestions for Kotlin code, can convert Java code to Kotlin code. It is expressive to make your code more readable and understandable. Read more

#### 1.URL Request

Foss : Android app using Kotlin - English

Outline: About Spoken tutorial server About API Spoken Tutorial URL format How to make a request to the URL? Add the dependency of Volley library and Picasso Add the required code to ..

##### Intermediate #### 2.Display Search Result

Foss : Android app using Kotlin - English

Outline: About RecyclerView Add RecyclerView and set its attributes Create a custom layout Add ImageView to display the thumbnail of videos Add TextView to display the video title and v..

##### Intermediate #### 3.Playing video using YouTube API

Foss : Android app using Kotlin - English

Outline: Create a new project in Google cloud Generate the API key and save it Enable the YouTube API How to use YouTubePlayerView provided by YouTube Initialize the view to play a vide..

##### Intermediate #### 4.Vectors and Matrices

Foss : Applications of GeoGebra - English

Outline: Define a vector Change the Font Size using Options menu Magnitude and direction of a vector Relation between vectors and a parallelogram Arithmetic operations on vectors To cr..

##### Basic #### 5.Introduction to Trigonometry Using GeoGebra

Foss : Applications of GeoGebra - English

Outline: We will use GeoGebra to, Construct a circle of variable radius Contruct a right triangle inside a unit circle Create a slider to change angle in right triangle Change properti..

##### Basic #### 6.Trigonometric Ratios and Graphs

Foss : Applications of GeoGebra - English

Outline: The concept of a unit circle Conversion of degrees into radians Creation of a slider to change angle alpha Changing the appearance of graphs Sine function Cosine function ..

##### Basic #### 7.Inverse Trigonometric Functions

Foss : Applications of GeoGebra - English

Outline: Creation of a slider to change angle alpha Inverse trigonometric functions Inverse trigonometric functions versus trigonometric functions Sine function Inverse sine function T..

##### Basic #### 8.Roots of Polynomials

Foss : Applications of GeoGebra - English

Outline: Binomial theorem and polynomials Quadratic polynomials: real roots and complex roots Finding roots and discriminants Quadratic functions: parabolic graphs, extremum Complex num..

##### Basic #### 9.Complex Roots of Quadratic Equations

Foss : Applications of GeoGebra - English

Outline: Imaginary number, i = sqrt (-1) Complex numbers in XY plane Complex numbers in complex plane Quadratic polynomials and parabolic functions Creating sliders, a, b and c, to loo..

##### Basic #### 10.Conic Sections-Parabola

Foss : Applications of GeoGebra - English

Outline: Definition, parts and properties of a parabola Constructing a parabola Changing the appearance of a parabola The standard equation of a parabola, (x-a)^2 = 4p (y-b) The stand..

##### Basic #### 11.Conic Sections-Ellipse

Foss : Applications of GeoGebra - English

Outline: Definition, parts and properties of an ellipse Constructing an ellipse by using Arcs of Circle method Changing the appearance of an ellipse The standard equation of an ellipse, ..

##### Basic #### 12.Conic Sections-Hyperbola

Foss : Applications of GeoGebra - English

Outline: Definition, parts and properties of a hyperbola Constructing a hyperbola Changing the appearance of a hyperbola The standard equation of a hyperbola, (x-h)^2/a^2-(y-k)^2/b^2=1 ..

##### Basic #### 13.3D Geometry

Foss : Applications of GeoGebra - English

Outline: The rectangular co-ordinate system Drawing in 2D to extend in 3D, for example a pyramid Visualizing the solid obtained by rotation of a polynomial about the x axis Drawing the ..

##### Intermediate #### 14.Limits and Continuity of Functions

Foss : Applications of GeoGebra - English

Outline: About the concept of limits Evaluating functions and their limits: Left hand limit Right hand limit Limits that Do Not Exist (DNE) Using a spreadsheet to ..

##### Intermediate #### 15.Differentiation using GeoGebra

Foss : Applications of GeoGebra - English

Outline: We will look at: Differentiation using first principles Derivative of function as slope of tangent at point on function Underlying algebra ..

##### Intermediate #### 16.Integration using GeoGebra

Foss : Applications of GeoGebra - English

Outline: We will look at: - Indefinite integrals - Definite integrals * Concept of area under curve (AUC) * Upper Riemann and trapezoidal sums for estimation of AUC * Integration as an..

##### Intermediate #### 17.Statistics using GeoGebra

Foss : Applications of GeoGebra - English

Outline: We will look at: Pasting data into Spreadsheet in GeoGebra Box plot as a 5 member summary: minimum and maximum values, first and third quartiles, median One Variable Analy..

##### Intermediate #### 18.Probability and Distributions

Foss : Applications of GeoGebra - English

Outline: We will look at: Pasting data into Spreadsheet in GeoGebra Hypothesis testing: null and alternative hypotheses P, F values Multiple Variable Analysis tool Box plots Analysis ..

##### Intermediate #### 19.Simple Machines

Foss : Apps On Physics - English

Outline: Define a Pulley Simulate the working of a pulley system Calculate the necessary force to pull the load Simulate the working of a lever Define a torque How to achieve a balance..

##### Basic #### 20.Inclined Plane

Foss : Apps On Physics - English

Outline: Define an inclined plane Uses of an inclined plane About Inclined Plane App interface Simulate the motion of the load on an inclined plane About force vectors Change in the a..

##### Basic 