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.
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