On the calculator, press 7, 6, - 9, CE, 6, =, to display ()

On the calculator, press 7, 6, - 9, CE, 6, =, to display ()


six



What is the name of each key in the calculator?
What is the name of each key in the calculator?
Speak in Chinese


The number keys from 0 to 9 do not have 00 addition, subtraction, multiplication and division, which is called operation symbol key MC is storage date is date on / C is switch and clear screen key clock is time CE is clear key



In computer, why use binary to represent data?


There are only two states of 0 and 1 in binary system. There are many electronic devices that need to express the two states of 0 and 1, such as on and off of switch, on and off of transistor, positive and negative remanence of magnetic element, high and low potential level, which can express the two numbers of 0 and 1



Is there a standard symbol for "rounding" on the calculator interface in mathematics?
Is there a standard notation for "rounding" in mathematics? Like a trigonometric function sin cos, or on the interface of a calculator?


The calculator usually has fix mode, which specifically refers to the reserved decimal. Casio calculator usually enters mode (some models are setup), selects fix, and then enters the number of digits to be reserved. Similar to SCI, scientific counting mode



Will the calculator inside some numerical values to the final display are rounded it


Yes, even if it's infinite cyclic or infinite acyclic decimal



Science (function) calculator decimal point is gone, how to return a responsibility?
Enter 0.2, can only enter 02, decimal point can not be typed, is the health? This calculator can repair it?


The conductive material under the button is gone, similar to the failure of the remote control. Take it apart for maintenance



The problem of integer sign in Mathematics
For example, [2x] + [3x] = 95, find the value of X





How to use the rounding formula?


Grammar
ROUND(number,num_ digits)
Number the number to be rounded
Num_ The number of digits specified by digits is rounded



What kind of rounding method is the symbol "\", which is direct rounding, rounding or rounding down? For example, what is the result of 5-5.25?


The integer part of the result, which is 0



What is the rounding up sign in mathematics?


Int() function