Description: The corresponding functions are as follows: (1) add, subtract, multiply, divide, and Yu, and square, and cube, square root, and logarithm, and the countdown, and sine, and cosine, and tangent, and walks of life, and e idempotent parameters meeting the basic arithmetic operations (2) for anti-(3) shows the value of pi and e values, backspace, the memory-ching 0 (4) the information in the memory output, the current contents of the text box to keep the memory shows that M, will be the current text box data and memory data add up, and then deposited into the memory (5) Editing (copy, paste), Show (digital packet), to help (on the calculator) (6) from keyboard to enter data in the upper part of the functional set up inside the corresponding shortcut keys
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