Sell 991ES PLUS Office Calculator Student Function Scientific Calculator best price

Textbook synchronous display, tabular statistics and 10 position radix + 2 position exponent. Used for scientific calculation, namely function calculation. Multi-step reappear, dotmatrix display and Plastic buttons. Touch keyboard, easy to click. Multi-function mathematical calculator: It can be used to calculate advanced functions. High quality material: durable, stable and responsive. Designed for students and office workers. Upgrade motherboard: more stable work. It can help you solve problems you encounter in your study, convenient to calculate. ​Power Source: work with coin battery , not ​Solar power 2pcs get 1%off Packing: 1x Scientific Calculator (no original packaging) 1x English manual Note: 991es plus have 417 kinds of functions