As a Gift -Popular Dopamine Color DesignIt's got a kind of bubble-type vibe for your for this popular dopamine color design and it's giving cotton candy feel.So,This candy color calculator is very cute and going to do the job ,it is the best gift for colleagues, children, students and classmates.Can Replace the Daily Calculation of Mobile PhonesAdd, subtract, multiply, divide, backspace, grand total, CE, %, M+/M-/MRC, On/AC Button, and Auto Power-Off. For most people needs, which basically involve quick percentage calculations without having to wake up your phone, on a standing desk with very little storage so it sits right out in the open, it's more than adequate.Retro keyboardsThis desktop calculator is use retro round big keys. We specially designed retro-style big round keys, like retro printers, which emit the key sound of retro printers when pressing the keys.This will leave an interesting sound for you to spend boring time.Large 12-digit DisplayThe basic office calculator with a large 12-digit display and a 15-degree angle.The huge LCD screen that clearly displays big numbers makes it easy to read from afar,reading calculations is effortless.Dual Power Design This calculator can use both batteries and solar energy. The calculator will turn itself off after about 6 minutes of being idle.