Canon Palmtronic F-51 scientific calculator manual 1976 Japan

From Canon from the mid 1970’s, comes this Palmtronic F51 scientific calculator with green LED display.  The calculator is clean, fully working condition (no batteries included) and has very responsive keys. It comes with the original manual in English as well. Everything is in very good condition, clean battery compartment, with signs of normal use and age (some yellowing to the top keys). It measures ca. 7,5 cm or 3 inches wide. Selling for use again or as a cool desk display piece. Do check the attached video to learn all about the history of the calculator.