Home Slickdeals Casio MS-80B Standard Function Desktop Calculator $3.99 @ Amazon or Office Depot... Slickdeals Casio MS-80B Standard Function Desktop Calculator $3.99 @ Amazon or Office Depot w/ Pickup By ARCOM - 12 August 2021 77 0 SHARE Facebook Twitter Go to the deal page: Casio MS-80B Standard Function Desktop Calculator $3.99 @ Amazon or Office Depot w/ Pickup