A gift from my Calculus teacher upon graduation.
Yes manual included. Sadly the 0 (zero) button no longer works, due to battery corrosion… ☹️
A gift from my Calculus teacher upon graduation.
Yes manual included. Sadly the 0 (zero) button no longer works, due to battery corrosion… ☹️
I actually did two videos on my two rounds of trying to restore this thing…
https://youtube.com/watch?v=im33lQ2To_Q
https://youtube.com/watch?v=CwX4KItBJjU
More to come, maybe, someday…