EXCEL, 24 characters: =COLUMN(T:T)&COLUMN(N:N)
EXCEL, 10: =SQRT(n^2) -- n is a defined cell name with the input value.
EXCEL : 89 chars in unique code:
EXCEL (14 characters): =n-MOD(n;32)+32 n is declared name for a an input cell. put the formula in a cell declared as 'r'. No use of / and * ...