Found this old calculator in my great grandmother's attic

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image showing Found this old calculator in my great grandmother's attic

eggnoodlericecakes on December 29th, 2017 at 04:58 UTC »

Anyone know anything about it? (Value, age, etc)

DJheddo on December 29th, 2017 at 05:09 UTC »

Clarear is a weird misprint.

StabStabby-From-Afar on December 29th, 2017 at 09:23 UTC »

Found a video showing how to work it.