Large 14-Digit LCD Display Desktop Calculator with Check and Correct Function?Solar Battery Dual Power?Big Sensitive Button Calculator for Business Office School Calculating

This calculator is a must for any businessman, worker, teacher, student or anybody that needs to make any sort of calculation from time to time. The easy to use calculator is a convenient gift for your parents or friends. Features: 14 digits large LCD display make calculator more useful for large calculations with comfortable angle, reduce visual fatigue?and is perfect for desktop use either at home or in the office. The big, ergonomic and comfortable buttons can help the elderly see clearly and use it happily. The magical anti-slip mats makes the calculator won’t slide easily when you operate the calculator with one hand. The visual operation symbols allow you to clearly see symbols such as plus, minus, multiply or divide when calculating numbers.It can help you seeing the operation step when you operate continuously. Large calculator with multiple functions, so your work is always one step faster. Key Operations: [AC]: power ON / clear error/ clear memory ( Auto-off when you do not use it about 10 minutes) [MRC]: Memory Recall(Memory Clear when pressed twice? [%]: Percent plus-minus key. [CHECK ?]: check forward. [CHECK ?]: check backward. [CORRECT 00?0]: correct function. [AUTO REPLAY]: Auto replay calculation step. [M+]: memory plus (adds the displayed value to the independent memory). [M-]: memory minus(subtracts the displayed value form the independent memory). [GT]: Whenever the [=] key has been pressed, the result will be stored into the Grand Total Memory. [MU]: Stands for Mark Up, which is for calculating GROSS PROFIT MARGIN (GPM). Package Includes: 1 x Desktop Calculator 1 x AAA battery Note: The battery that comes with the product is a non-rechargeable battery, please do not charge. The power provided by solar panels in a dim environment is limited, please install the battery before use.