Problem: Twelve

Code: Twelve/darrenks%28v0.23%29_1643071049

Nibbles version: 0.2 | 0.21 | 0.22 | 0.23 | 0.24 | 0.25 | 1.00

Format: Compact | Simple | +Type | Table | JSON | .nbl (DeBruijn) | .nbl (names)

. (map):[chr] 
    hex (to/from hex):[chr] 
        + (add):int 
            * (multiply):int 
                / (divide):int 
                    ; (save):int -->let( B:int ) 
                        + (sum):int 
                            . (map):[int] 
                                @ (= fstLine):[chr] 
                                hex (to/from hex):int <--arg( A:chr ) 
                                    $ (= A):chr 
                    12 (integer):int 
                4 (integer):int 
            $ (= B):int 
    `) (to uppercase):chr <--arg( C:chr ) 
        $ (= C):chr