Premium Material Made of high-quality plastic, sturdy, this calculator with built-in button cell battery is durable and has a long service life.

Pocket Size Ideal pocket size (6.8*12 cm/2.67 \"*4.72 \") for one-handed use, also light in weight (48.1g/ 0.10 lb), easy to carry and store.

Dual Power Supply Both solar cells and battery are used by this 8-digit calculator with silicone button (battery included). The solar panel fully charges the calculator as long as you use it in a well-lit area.

4 Vibrant Colors Available in blue, pink, purple, teal, to meet your different color preferences, this mini pocket calculator is suitable for both boys and girls.

Many Functions This simple calculator has all the necessary operations, including addition, subtraction, multiplication, division, percentage, square root, memory recall, memory clear and others, making it useful for schools, offices and businesses.