№28

№28 is an Esoteric programming language created by User:Buckets in 2025.

Commands	Instructions
“	Start A String.
”	End a string.
{	Start A List.
}	End a list, You csn only Make an Empty set.
\\	Name the list Within the backslashes.
/	Add All The String Subsets Of The Next String Given To The Next Name Of List But Not From Creating A New List.
⁄⁄	The Name Of a list.
!	Sort The List given with the Next List Name from nothing To Everything.
0	Add A 0 to the end of the list to The Next Given list name.
+	Edit the Last Index of the next given name Which happens to be A list To Be the Element + 1.
-	Edit the Last Index of the next given name Which happens to be A list To Be the Element - 1.
ᐩ	Add the Last Two Elements Of the next List Name given And Replace The last two Elements To The Sum.
−	Subtract the Last Two Elements Of the next List Name given And Replace The last two Elements To The 2nd Last Element - Last Element.
＋	Concatenate The last Two elements of the next list name Given.
𝍌	The Last element given list name nextth The Next next list name Given's Element And Add it To the next next next List name Given at the end.
➀	If The Last Element of the next list name given Is Equal to The Last Element Of the Next Next list name given, Execute The Code, Else Do not.
[	Start the Code.
]	End the Code.
Ⓧ	The Last element given list name nextth The Next next list name Given's Element And then Delete it.
⎙	Print the First Element of the Previous List name Given.
☄	Come from the line of the last element of the Next List name Which will have to be Given by The User To completely Execute this Specific Command Entirely.
⏱	Halt the Program.

"Hello, World!" Program:

\1\{}0+
\H\{}“H”!⁄H⁄Ⓧ⁄1⁄⁄H⁄⎙
\e\{}“e”!⁄e⁄Ⓧ⁄1⁄⁄e⁄⎙
\l\{}“l”!⁄l⁄Ⓧ⁄1⁄⁄l⁄⎙⎙
\o\{}“o”!⁄o⁄Ⓧ⁄1⁄⁄o⁄⎙
\,\{}“,”!⁄,⁄Ⓧ⁄1⁄⁄,⁄⎙
\ \{}“ ”!⁄ ⁄Ⓧ⁄1⁄⁄ ⁄⎙
\W\{}“W”!⁄W⁄Ⓧ⁄1⁄⁄W⁄⎙⁄o⁄⎙
\r\{}“r”!⁄r⁄Ⓧ⁄1⁄⁄r⁄⎙⁄l⁄⎙
\d\{}“d”!⁄d⁄Ⓧ⁄1⁄⁄d⁄⎙
\!\{}“!”!⁄!⁄Ⓧ⁄1⁄⁄!⁄⎙⏱

XKCD Random Number:

\4\{}0++++⁄4⁄⎙⏱

Error Codes:

If you Create A non-empty Set:

[ Read the Ruleset again.

If you use /s instead of ⁄s for ⁄⁄:

+ Here is the correct One: /

If you use "s instead:

. Use proper Grammars.

If you use + to a string:

, What? Why Did You Make Me Parse This?

If you use - to a string:

> Ah, This is Invalid, but I do appreciate your Trying. So, Good job but you failed.

If you ᐩ to a String:

< Did you mean +?

If you − to a String:

- Did you mean ᐩ?

If you Do not Make Code for ➀:

] You missed it.