Training c#

1 - First contact witch C# 1.01 - First program... in C# 1.02 - Sum two numbers 1.03 - Division of two numbers 1.04 - Multiple operations and precedence 1.05 - Multiply, using variables 1.06 - Use of {0} and comments 1.07 - Several operations 1.08 - Multiplication table 1.09 - Average 1.10 - Equivalent operations 1.11 - Age 1.12 - Formats 1.13 - Rectangle 1.14 - Conversion 2 - Flow Control 2.01 - Positive and negative 2.02 - Multiply if not zero 2.03 - Divide if not zero 2.04 - Divide if not zero (using "else") 2.05 - Greatest of three numbers 2.06 - Repeat until 0 2.07 - Repeat until 0 (do-while) 2.08 - while + counter 2.09 - Times table 2.10 - Odd numbers, descending 2.11 - Sum numbers 2.12 - Two negatives 2.13 - One or two negatives 2.14 - Multiples 2.15 - Number repeated 2.16 - Password 2.17 - Password 2.18 - Many divisions 2.19 - Several mutiplication tables, do-while 2.20 - Square 2.21 - Break & continue 2.22 - Rectangle 2.23 - Repetitive structures 2.24 - Digits in a number 2.25 - Hollow square 2.26 - Product 2.27 - Absolute value 2.28 - Hollow rectangle 2.29 - Statistics 2.30 - Switch 2.31 - Conditional operator, positive & smaller 2.32 - Prime number 2.33 - Conditional operator 2.34 - Give change 2.35 - Exceptions 3 - Basic data types 3.01 - char 3.02 - Triangle 3.03 - Password as string 3.04 - Password, 5 attempts 3.05 - Calculator - if 3.06 - Calculator - switch 3.07 - Double 3.08 - Calculate values of a function 3.09 - Display a function 3.10 - Float, speed units 3.11 - Sphere, float 3.12 - Vowel - switch 3.13 - Vowel - if 3.14 - Triangle, NorthEast 3.15 - Prime factors 3.16 - If, symbols 3.17 - Char + for 3.18 - Double, approximation of Pi 3.19 - Perimeter, area, diagonal 3.20 - Hexadecimal and binary 3.21 - Hexadecimal table 3.22 - Binary 3.23 - Conditional and boolean 3.24 - Exceptions 4 - Arrays, structures and strings. 4.01 - Reverse array 4.02 - Search in array 4.03 - Array, even numbers 4.04 - Array of positive and negative numbers 4.05 - Many numbers and sum 4.06 - Two-dimensional array 4.07 - Statistics 4.08 - struct 4.09 - Array of struct 4.10 - Array of struct + menu 4.11 - Books database 4.12 - Triangle 4.13 - Rectangle 4.14 - Centered triangle 4.15 - Cities database 4.16 - Banner 4.17 - Triangle, right side 4.18 - Strings manipulation 4.19 - Friends database 4.20 - Strings manipulation 4.21 - Nested structs 4.22 - Sort data 4.23 - Two-dimensional array as buffer for screen 4.24 - Two-dimensional array 2: circunference on screen 4.25 - Computer programs 4.26 - Exercise (tasks) 4.27 - Household accounts 5 - Functions 5.01 - Functions: greeting + farewell 5.02 - Function with parameters 5.03 - Function returning a value 5.04 - Function returning a value - 2 5.05 - Function WriteCentered 5.06 - Function WriteUnderlined 5.07 - Function sum of array 5.08 - Function Double 5.09 - Double, reference parameters 5.10 - Swap - reference parameters 5.11 - Function Power, local variables 5.12 - Recursive power 5.13 - Function Fibonacci 5.14 - Modify a letter in a string 5.15 - Function IsPrimeTarea 5.16 - Parameters of Main, Sum 5.17 - Function SumDigits 5.18 - Function Factorial 5.19 - Parameters of Main, Reverse 5.20 - GetInt 5.21 - Tasks database + functions 5.22 - Greatest value in an array 5.23 - Function factorial (iterative) 5.24 - Function WriteTitle 5.25 - Return value for Main 5.26 - DrawParallelogram 5.27 - Function CountDV 5.28 - Function IsAlphabetic 5.29 - Function IsNumber 5.30 - Substrings (Hola) 5.31 - Calculator, params of Main 5.32 - Calculator, params and return value of Main 5.33 - MinMaxArray 5.34 - Reverse, recursive 5.35 - Function WriteRectangle 5.36 - Palindrome, iterative 5.37 - Palindrome, recursive 5.38 - Function SquareRoot 5.39 - Function GetMinMax 5.40 - Function Multiply & MultiplyR 6 - Object-Oriented Programming 6.01 - Classes Student + Teacher 6.02 - PhotoAlbumTarea 6.03 - Shapes 6.04 - Vehicles 6.05 - Square 6.06 - Orders 6.07 - Colored circle 7 - More on classes 7.01 - Array of objects: table 7.02 - House 7.03 - Table + coffetable + array 7.04 - Encrypter 7.05 - Complex numbers 7.06 - Table + coffetable + leg 7.07 - Catalog 7.08 - Random number 7.09 - Text to HTML 7.10 - ScreenText 7.11 - Complex, improved 7.12 - 3D point 7.13 - Catalog + Menu 8 - File management 8.01 - Writing to a text file 8.02 - Appending to a text file 8.03 - Display file contents 8.04 - Extended TextToHTML (files) 8.05 - Logger 8.06 - More 8.07 - Text replacer 8.08 - Count letters in file 8.09 - Reading a binary file (1: BMP) 8.10 - Writing to a binary file 8.11 - C# to Java 8.12 - Invert a text file 8.13 - Reading a binay file (2 - GIF) 8.14 - Friends database, using files 8.15 - Pascal to C# translator 8.16 - Convert a text file to uppercase 8.17 - Convert any file to uppercase 8.18 - File inverter 8.19 - File encrypter 8.20 - Count words 8.21 - BMP width & height, BinaryReader  8.22 - TXT to HTML translator 8.23 - Invert binary file - 2 8.24 - BMP width & height, FileStream 8.25 - File copier 8.26 - MP3 reader 8.27 - C to C# converter 8.28 - File splitter 8.29 - Encrypt a BMP file 8.30 - CSV converter 8.31 - File comparer 8.32 - Display PBM on console 8.33 - PCX width and height 8.34 - Extract text from a binary file 8.35 - C# to Pascal converter 8.36 - Dump 8.37 - DBF extractor 8.38 - Text censorer 8.39 - SQL to text 8.40 - PGM viewer 8.41 - Display BMP on console 9 - Object persistence TODO###################################### 10 - Access to relational database TODO###################################### 11 - Dynamic memory management 11.01 - Implementing a queue using array 11.02 - Queue-Collections 11.03 - Queue Stack Reverse Polish Notation 11.04 - ArrayList 11.05 - ArrayList duplicate a text file 11.06 - Unlimited sum 11.07 - Sorted list - Dictionary 11.08 - ArrayList - Text file reader 11.09 - Hast Table - Dictionary 11.10 - Invert text file, Stack 11.11 - Parenthesis 11.12 - ArrayList: union, interection ... 11.13 - Mix and sort files 11.14 - ArrayList of Points 11.15 - ArrayList of objects Point3D 11.16 - List of objects Point 11.17 - Search in file 11.18 - List of Strings 11.19 - Plurilingual dictionary 11.20 - Cities - ArrayList 11.21 - T9 Spelling 12 - Additional libraries 12.01 - Date and time 12.02 - Display directory 12.03 - Display executable files in directory 12.04 - Date and time, continuous 12.05 - Console + date and time 12.06 - Sitemap creator 12.07 - List of images as HTML 12.08 - System information 12.09 - Sitemap creator (v2) 12.10 - Surf directory 12.11 - Web downloader 12.12 - Web links downloader 12.13 - Basic Windows Forms Aplication 12.14 - Surf directory (2) 12.15 - Subdirectories