Sharp Calculator EL243S Elsimate Solar + Battery - School Locker
File:Vintage Sharp Electronic Pocket Elsi Mate Calculator, Model EL-500, Green Fluorescent, Made In Japan (14181747381).jpg - Wikimedia Commons
1970's pocket calculator. Simple arithmetic machine, handheld device. Sharp ELSI MATE EL-8031. The word LOSSES spelt out on the display Stock Photo - Alamy
Letter from the Czech Republic — the calculator that worked on two AA batteries for more than 30 years — : SHARP Blog
Sharp Elsimate EL-8117K Electronic Calculator - Calculator - Computing History