𝐂𝐨𝐝𝐞𝐬 𝐚𝐧𝐝 𝐂𝐢𝐩𝐡𝐞𝐫𝐬

𝐅𝐮𝐧𝐎𝐩 𝐂𝐢𝐩𝐡𝐞𝐫

(Fundamental Operation Cipher)

[Invented by: Heartstopper Necrolyte]

This cipher is derived from the Polybius square. The process is the same except that the coordinates used are the fundamental operations (+), (-), (x), (÷), including ( = ).

°° + - x ÷ =
+ A B C D E
- F G H I/J K
x L M N O P
÷ Q R S T U
= V W X Y Z

Example:

FRIDAY NIGHT

-+/÷-/-÷/+÷/++/=÷/ xx/-÷/--/-x/÷÷

~~~CTTRO