an expert at calculation (or at operating calculating machines)
a small machine that is used for mathematical calculations
Something used for making mathematical calculations, in particular a small electronic device with a keyboard and a visual display
A calculator is a small (often pocket-sized), usually inexpensive electronic device used to perform the basic operations of arithmetic. Modern calculators are more portable than most computers, though most PDAs are comparable in size to handheld calculators.
convey (goods etc.) by truck; "truck fresh vegetables across the mountains"
an automotive vehicle suitable for hauling
Barter or exchange
hand truck: a handcart that has a frame with two low wheels and a ledge at the bottom and handles at the top; used to move crates or other heavy objects
Become in need of rest or sleep; grow weary
lose interest or become bored with something or somebody; "I'm so tired of your mother and her complaints about my food"
Cause to feel in need of rest or sleep; weary
exhaust or get tired through overuse or great strain or stress; "We wore ourselves out on this hike"
Lose interest in; become bored with
hoop that covers a wheel; "automobile tires are usually made of rubber and filled with compressed air"