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edgarandron - Busy!: Sharp EL-8016R 1970s (1976?) calculator a
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edgarandron - Busy!: Sharp EL-8016R 1970s (1976?) calculator b
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edgarandron - Busy!: Sharp EL-8016R 1970s (1976?) calculator c
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edgarandron - Busy!: Metric Conversion Calculator 3042b 4x6