Schyper

CHECK AND SEARCH BOOK BY ISBN-10

This program validates whether an entered 10-digit ISBN is valid or not. ISBNs assigned to books before the year 2007 are 10 digits long and those assigned on or after 1 January 2007 are 13 digits long.

BIRTHDAY

Born:

Place:

INPUT

(10 digits)
Validate ISBN
RESULT
Quod Erat Inveniendum
FUNCTIONS