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Calculator Electronics
Identifying
Components
Identifying Components Inside Electronic Calculators
Many of the components inside electronic calculators of the 1960s and 1970s are much different to the highly integrated, miniature, surface-mount components inside modern electronic products.
Here are
some photographs to help identify what we might find inside a vintage calculator.
Hand-held calculator from early 1970s
Below is the circuit board of the apf Mark III hand-held calculator, shown on the right, with component types marked.
There is a key to those component types underneath.
Key:
Calculator Technology
Calculator Electronics
Vintage Calculators
© Text & photographs copyright Nigel Tout 2000-2023 except where noted otherwise.