WELCOME TO THE ACADEMIC YEAR 25/26 ...... First present, about the ...Letter from the D.N.I.

How to calculate the letter from your DNI number...

...you just need to know how to divide. A two digits division. Divide the number by 23 and associate the remainder to the letter according to the following key-table:

REMAINDER	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22
LETTER	T	R	W	A	G	M	Y	F	P	D	X	B	N	J	Z	S	Q	V	H	L	C	K	E