Calculator (Black 1)

1:General purpose desktop calculator, perfect for home, office or store. Solar and battery dual power works even longer. 2:14-digits plastic buttons plus uv varnish surface, wear, durability, tap more comfortable extra large easy-to-read big display constants for +, - , x, ÷ independent memory mark-up, percent, p key, profit margin 3-digit comma markers solar power supply with aa battery back-up.