50-Year Perpetual Calendar

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  • Regular price $72.99

This simple 50-Year Perpetual Calendar pocket calculator is intriguing, effective and it's origin goes back 500 years. Calculate the future days of the week, within a 50-year span. Simply rotate the dial, line up selected year with selected month. Locate the date and find the day of the week.

Size: 7.5 x 7.5 x 2.2cm