ESCO 10 digits Notebook type calculator (blue)

Specification
T.W.P (combination of solar battery and auxiliary battery): Unlike conventional calculators with solar battery, even if the light is blocked during calculation, the calculation contents are protected by the built-in battery. Key rollover function (quick typing function): When entering the next key, you can enter even if you start pressing from the middle of releasing the previous key. Tax calculation: Consumption tax can be calculated with or without tax. The tax rate can be set freely, and the tax amount is also displayed. Large display: Large, easy-to-read display. Calculation status display: You can check the calculation of the four arithmetic operations and the usage status of the memory function. Lower (shift): Useful for correcting input errors. , the lowest digit can be erased one digit at a time.