Raċanċ - Here's a very primitive calculator from the 1960s / 1970s. The Addiator Universal, one of the most popular calculators of this sort is composed of sheet-metal sliders inside a metal
![Vintage USSR Russian Wooden Counting Abacus Beads Schoty Old Primitive Calculator | Abacus, Wooden, Primitive Vintage USSR Russian Wooden Counting Abacus Beads Schoty Old Primitive Calculator | Abacus, Wooden, Primitive](https://i.pinimg.com/736x/2b/5b/83/2b5b83c633b2e0d4cecc1475175b60cb--primitives-beads.jpg)
Vintage USSR Russian Wooden Counting Abacus Beads Schoty Old Primitive Calculator | Abacus, Wooden, Primitive
GitHub - rimshasaeed/primitive-calculator: Primitive calculator using iterative dynamic programming approach
![When your calculator runs out of battery in the middle of final exam physics | SpongeGar / Primitive Sponge / Caveman Spongebob | Know Your Meme When your calculator runs out of battery in the middle of final exam physics | SpongeGar / Primitive Sponge / Caveman Spongebob | Know Your Meme](https://i.kym-cdn.com/photos/images/original/001/131/586/0ee.jpg)