Casio FX-350MS 2nd Edition Scientific Calculator Portable External Hard Drives Lei had founded Kingsoft as

Lei had founded Kingsoft as well as Joyo

Battery Life: Over 1 year

( Notice: The camera is only used to capture the color onscreen

high‑power portable charger engineered for users who need reliable power on the go — from smartphones and tablets to laptops and other USB‑C devices

Casio FX-350MS 2nd Edition Scientific Calculator Portable External Hard Drives Lei had founded Kingsoft asProduct features Non Programmable Non Graphing Number of Functions : 240 Product type Non Programmable Non Graphing Number of digits 10 + 2 digits Liquid crystal display S V. P. A. M. (Super Visually Perfect Algebraic Method) Dot matrix display Key characteristics Plastic keys Key functions Negative Sign Power Off Memory Variables: 9 Independent Memory (M M+ M ) Answer Memory Memory Protection Reset Function Power supply LR441 Approximate battery life