www.themegallery.com
computers
I am very old now. I was born in ancient China. Many people used me for calculating in the past, but now I am a bit lonely because they don’t like me now. Do you know who I am?
Riddles (谜语)
abacus
I am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical problems. Do you know who I am?
calculator