I almost successfully restored this OLYMPIA CPD 3212 calculator // overhaul restoration

[@prabathmadu1579]

i have this products to but now isnt working can u help me for this

[@flaviogonzalez5766]

The durability of old products is unbelievable. Thanks for the video

[@cluelessdood]

It is suprising! Thank you for watching :)

[@mochamadharso6545]

I have a Casio JR 10 type. The mechanics are the same. Tomorrow I want to recondition it to remember the gear arrangement and reinstall it.