- $4.13sterling Silver Abacus Charm Pendant, Counting Bracelet, Calculator Necklace, Math Lover Earring, Mathematics Jewelry, CloudEtsy
- $54.19925 Sterling Silver - Vintage Abacus Chinese Calculator Cuff Links Tr2101Etsy
- $15.99Jovivi 925 Sterling Silver Charm Bookkeeper Accountant Mach Calculator Clip On Charms Enameled Dangling Pendant Lobster Clasp for Bracelet or Necklace Women Fine Jewelry GiftAmazon