- A Brief History of Calculating Devices (Whipple Museum, Univ. of Cambridge)
- International Slide Rule Museum
- Professor Herning @ YouTube: instructional and general videos about slide rules
- The Museum of HP Calculators
- voidware’s calculator museum
- hpcalc.org
- Casio Calculator Collectors
- Calculator Culture @ YouTube: general videos about calculators and some pocket PCs
- Logan West @ YouTube: instructional and general videos about calculators and slide rules
- Calculators and Calculator Collecting by Włodek Mier-Jędrzejowicz
- Handheld and Portable Computer Club
Last update: 2022-02-20
