This category is about collecting old calculators, mechanical and electronic. Included in this category is information about the acquisition, display, identification, and conservation of calculators.
Acceptable sites should contain original content pertaining to the acquisition, display, identification, and conservation of calculators that would be useful or of interest to collectors.
All sites, which offer products and collectibles for sale on line and off line, should be submitted to Shopping/Antiques and Collectibles. Commercial sites will not be accepted in this category.