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casio fx-350

a very popular and handy scientific model from the 80's.

the sensible button layout and wallet style case make it convenient to operate and carry. the layout is very similar to the fx-100, but here we have hyp since the mode button is out on its own.

it has the same key layout and functionality as the fx-310. why the two models?

internally, it operates to 11 figures but displays only 8. the mode and memory content is lost when switch off unlike more modern models.