We were just happy to find this 20+ year-old Sanyo M9980 “in the wild” and in super shape. Notice the twin meters; the little yellow button above on the left controls a light for them.
Vintage Electronics Have Soul – The Pocket Calculator Show Website
Great! Am wondering if anyone knows where I can get a replacement volume control (open), back section is broken, 50,000 ohms and 25K tab T483000. If so, please contact me.