8 digit calculator is perfect for school, home, or on the go. The TouchCalc™ features a modern black and chrome design that gives it a stylish appearance. Multi-colored keys are flush with faceplate, similar to a touch phone. The slim 1/4" width fits in any pocket or purse, which is great for the person on the go. Compact size is similar to an I-Touch: 4-3/8" tall by 2-1/2" wide. Other functions include: 3 key independent memory, square root key, and percent key. Battery powered. 2 year manufacturer's standard warranty.