Analysis of information sources in references of the Wikipedia article "Programma 101" in English language version.
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: CS1 maint: location missing publisher (link)technically, the machine was a programmable calculator, not a computer.
It appears that the Mathatronics Mathatron calculator preceeded [sic] the Programma 101 to market.
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: CS1 maint: numeric names: authors list (link)