Rockland Public Library’s Monthly STEM Workshop, to be held Wednesday, January 22, at 3:45 p.m., will feature “binary bracelets,” a crafty way to learn the basics of computer coding. Ms. Jessie, Miss Katie and Mr. Shane will help participants code their names in binary, the language of computers, and then bead a bracelet. Free and open to the public; children under age 10 must be accompanied by an adult.