ProtableThe dimension of this pocket calculator is only 2.5(L) * 1.4(W) inches. They are so small and mini that can be placed in pockets or schoolbags. It is very suitable for students or outings. Cute4 calculators with 4 different colors and designs are included. The design is cute and very popular with children. Students would fall in love with calculators. Flip CoverA flip cover protects the keyboard of the calculator. It can avoid scratches and dirt when they are not being used. Widly UsedThe bulk caculators are perfect for basic calculator and classroom math teach. They are good choice for many kinds of people, such as students, teachers, professors, home school educators, hobbyists, and professionals in health and science-related fields. It will be a best gift for middle school students, girls, boys, youth, children, etc.. 4 FuctionThe basic calculators include automatic tax keys, percent key, square root key, backspace key, and 4 key independent memory including memory plus, memory minus, recall memory and clear memory modern design. It satisfies basic calculator and middle school math study.