Computer Science 1

Hello, my name is Elijah Jeon and I'm a junior this year!!!
This webpage is for my computer science 1 class. We are learning to code i C#.

Good Bye Program


This project translates "Hello" in different labguages such as Korean, Chinese, French, and Spanish.

About Page Program


This project shares information of the logo and the company I've created. It also lets users to change colors and fonts of the company's information.

Mailing Label


This program creates a mailing label based on the information collected by users.

Car Rental 1


This program calculates Car Rental and manager sales. Client's can choose car types and by using that information, the program can calculate total rental pricing.


This project demonstrates how to calculate a BMI on each individuals. It also calculates average BMI and keeps in track of number of BMI as well.

Car Rental Upgrade


This program calculates Car Rental and manager sales. Client's can choose car types and extra charges and by using that information, the program can calculate total rental pricing

Test score Program


This program can transfer number grade into letter grade and also calculate highest test score and average test score

Dice Game


The Dice Game Program calculates the sum of dice values and total number of rolls. It also keeps in track of the probabilty of each sum values.

Craps Game


The Craps Game has a rule where players win with the roll of 7 or 11. And players win with the roll of 2, 3, or 12, and 4, 5, 6, 7, 8, 9, 10 is not lose or win but receives a point.

Shirt Sales


This program calculate shirt sales price. Different sizes and add-ons has different price. This program also calculates store sales in total by a summary program.

Slot Machine


The slot machine game has a rule where 3 of the same graphic earns Jackpot which is $1000. This program also keeps in track of number of dice rolled, current balance, and total money earned.



This programs the game Rock-Paper-Scissors. 2 Players can each choose between Rock, Paper, or Scissors using radio button. This program then figures out who won and keeps in track of winning counts of each players.

Fish 1


This program moves fish left and right in a tank. It also keeps in track of how many times it moved, number of times it bumped left or right.

Fish 2D


In this project we pretty much made it the same as Fish 1, but we added a predator fish, and if the fish and the predator fish try to go in the same space the fish gets eaten.



This program displays data of two different college football teams, the Michigan State Spartans and the University of Michigan Wolverines. The user can choose the size of each teams' flag, view my opinion on the game and open an information page on each college.



This program allows two players can play a game of Tic-Tac-Toe. Message boxes appear when the board is filled to tell players if the game was a tie, or if one player won. Players can press "New Game" to clear the board and play again.



This program displays a regular, factorial, even number, odd number and fibonacci sequences based on the number the user puts in the textbox.

Basic AI Game


This program allows a player to shoot at an enemy and gain points. Their health can deteriorate if the enemy gets too close or touches it. They can earn points by shooting the enemy.

Star Field


This program uses a timer to move white picture boxes to different corners, creating the illusion of moving through space.

Fish Upgrades


This program is a fish aquarium that has 20 fish in it. They randomly move about the tank, controlled with an array. They face the direction they are going. There is also a shark in the tank that is on a timer and moves around randomly.