Uploaded June 2022 | Updated September 2026, 8 minutes ago

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The Multo calculator was made in Sweden from 1949 till 1966. It is a model 3, so it has an input display but no back transfer.

Here is a link to @rubberswan's channel with Multo disassembly videos:
youtube.com/user/rubberswan/videos

For more information on this and other calculators in my collection, please visit my website:
jaapsch.net/mechcalc

0:00 Introduction
0:30 History
1:01 Nice touches
1:38 Addition
1:48 Counter
2:24 Multiplication
3:06 Clearing
4:00 Seizing up
6:17 Further history
7:22 Outro