Bimormat Desktop Calculators Solar & Battery Power 12 Digit Large LCD Display with Included AA Battery Power for Business Office School Home(classic black)

Description

This desktop basic calculator product includes: 1x Desktop Electronic Calculator 1xAA battery 1. The desktop basic calculator is an essential tool in your life. It can meet the needs of desktop office, financial calculation, supermarket collection, family budget, student calculation, etc. 2. Dual energy power supply, the calculator can be used continuously, so that you will not have the trouble of being interrupted. 3. The calculator with large screen & large buttons allows you to feel comfortable and see clearly. Tips for using the calculator: For example, we need to calculate 55x10+9x30=820/55x10-9x30=280. If each multiplication is calculated separately, and then addition/subtraction is performed, it will be very troublesome. Now we can use the shortcut M+/M- keys ① First, use the calculator to press 55x10, then press the M+ key, and the result 550 appears; ② Press 9x30 on the calculator, and then press the M+/M- key, the result 270 appears; ③ At this time, press the MRC key, you will get the result of addition 820/the result of subtraction 280. Calculation formula: 55x10+9x30=820/55x10-9x30=280 Button sequence: 55 X 10 M+ 9 X 30 M+ MRC/55 X 10 M+ 9 X 30 M- MRC