C# Tutorial Footage No.1

Task1: Showing my fabulous name on the console

(Quick Help) IF the console shuts itself down right after your compiled code is executed, try; running your app via pressing [Ctrl + F5]. How to keep the console from shutting down when running your new Visual Studio Project

	using System;
	namespace ConsoleApp1
	{
	class Program
	{
	static void Main(string[] args)
	{
	Console.Write("MyFabulousName");
	}
	}
	}

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Task2: "Echolalia" Read a line from the console and then return the same string back onto the console.

	using System;
	namespace ConsoleApp1
	{
	class Program
	{
	static void Main(string[] args)
	{
	string str = Console.ReadLine();
	Console.Write(str + "\n");
	Console.Write(str + "\n");
	}
	}
	}

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Task3: Write a program that computes the Reciprocal of a complex number x + iy

In this execercise you learn to parse the input into "double" type data using "Double.Parse Method"

	using System;
	namespace ConsoleApp1
	{
	class Program
	{
	static void Main(string[] args)
	{
	Console.Write("This program computes the Reciprocal of a complex number x + iy ");
	Console.Write("Enter the real part \n");
	double x = double.Parse(Console.ReadLine());
	Console.Write("Enter the imaginary part\n");
	double y = double.Parse(Console.ReadLine());
	// computes the norm of the complex number
	double norm = x * x + y * y;
	// show the result on cosole
	Console.Write("The reciprocal number of {0}+i({1})is + {2}+i({3})", x, y, x / norm, y / norm)
	}
	}
	}

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Task4: Compute a circle's area from its radius given

This one was bit tricky since I needed to use "Math.Pi" as the constant number π

	using System;
	namespace ConsoleApp1
	{
	class Program
	{
	static void Main(string[] args)
	{
	Console.Write("This program computes the area of a circle with radius x ");
	Console.Write("Enter radius(x) \n");
	double x = double.Parse(Console.ReadLine());
	// computes the norm of the complex number
	double area = Math.PI * x * x;
	// show the result on cosole
	Console.Write("The area of the circle with radius {0} is {1}", x, area);
	}
	}

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Task5: Write a program that computes the BMI of a person when his/her body weight and height are to be given

	using System;
	namespace ConsoleApp1
	{
	class Program
	{
	static void Main(string[] args)
	{
	Console.Write("This program computes the BMI from a set of body weight and height");
	Console.Write("Enter your body weight in kilograms \n");
	double weight = double.Parse(Console.ReadLine());
	Console.Write("Enter your height in centimeters \n");
	double height = double.Parse(Console.ReadLine());
	// conversion to meters
	height *= 0.01;
	// computes the norm of the complex number
	double bmi = weight /(height * height);
	// show the result on cosole
	Console.Write("your BMI is {0}", bmi);
	}
	}
	}

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