Vintage 1970s Rockwell 20R Calculator and Carry Case with regular key size and red led display. This battery-powered calculator from the Rockwell brand is a reliable option for home,office and business use. Made in Mexico, this retro calculator is a unique and stylish addition to any workspace, especially for those who appreciate vintage technology. Ideal for adding up numbers quickly and efficiently, this Rockwell 20R calculator is a practical and nostalgic choice for home,office or workspace.Rockwell is in full working order, operates with 1X (9v) PP3 type (Not supplied) battery and comes with original carry case.