toni_bmw@lemmy.world to Calculator Community · edit-23 months agoMachine a Calculer Rébolemmy.worldimagemessage-square4fedilinkarrow-up137arrow-down11
arrow-up136arrow-down1imageMachine a Calculer Rébolemmy.worldtoni_bmw@lemmy.world to Calculator Community · edit-23 months agomessage-square4fedilink
minus-squareyourNewFavouriteUser@sh.itjust.workslinkfedilinkarrow-up6·3 months agohere I found a video demonstrating that kind of machine, not the same brand and model but very similar. the vid’s is French tho : https://youtu.be/vOGtYgu7V7Q
minus-squareMajorHavoc@programming.devlinkfedilinkarrow-up3·3 months agoStick a pen tip into the slot at one of the numbers and scrape it upwards for adding, downwards for substraction. The display updates with the new sum. Mine came with more complicated instructions for handling more advanced forms of math, as well, but I immediately forgot those.
How does this work?
here I found a video demonstrating that kind of machine, not the same brand and model but very similar. the vid’s is French tho : https://youtu.be/vOGtYgu7V7Q
Stick a pen tip into the slot at one of the numbers and scrape it upwards for adding, downwards for substraction.
The display updates with the new sum.
Mine came with more complicated instructions for handling more advanced forms of math, as well, but I immediately forgot those.