for making square cardinal number is not far different with making triangle, just for script litle bit different.
check this image down !

for (int j=0;j<=4;j++){}

 "for" is squence to make number 0 until 4.
"int" to declare variable, (e.g i,j,k)
"j++" is mean j+1

See full script

i hope you not bore with my post. hahaha.
ok, i'll start this day with command that work with visual studio 2012.
if yesterday, i posted soo long script, i think you would hard to understand.
i will try to make it easy.
how to make a script that have an output like this one ?
check this out !

console.writeline("you're the best dude");

console.readline();

that scrip just used for hold the cursor to prevent closing windows before we press enter.
ok, thank you for reading, leave a comment please if you get confuse.

this day, i will tell you script that changed into loading animation in visual studio 2012.
this is image of loading script

for (int i = 1; 1 <= 50; i++) {

                

                Console.SetCursorPosition(i, 5);

                Console.ForegroundColor = ConsoleColor.Red;

                Console.Write("░");

                Console.SetCursorPosition(20,5);

                Console.Write("{0}",i*(100/50)+"%");

                for (int t = 1; t < 3000000; t++) { }

                if (i == 50) {

                    Console.SetCursorPosition(20, 5);

                    Console.ForegroundColor = ConsoleColor.Yellow;

                    Console.Write("Mission Complete");

                    

                    Console.ReadLine();

change the red colored word to color that you want.
ok, leave a comment if you confusing !

Hi, i'll try to write how to solve phisics with C# script. firstly you have to download Microsoft visual studio 2012. because i used it too. my teacher say "visual studio 2012 more compatible with all program and windows 7. than visual studio 2013"
ok, we start our lesson
firstly i have to declare the component of  wide element

int panjang, lebar, luas;
panjang = 30 (or up to you);
lebar = 20 (or up to you);

luas = panjang * lebar;
console.writeline("the answer is :{0}", luas);
console.readline();

look like this picture

and if you type ctrl + F5 it should appeared windows look like this