decibel formula

The specific steps are as follows: 1, in the next column input formula =substitute (B2, "", ""), press ENTER 2, select C2 cell, the mouse placed in the lower right corner of the cell, when the + number of time to live down pull, until the C20 loosen again. 3, use this formula can remove the space characters in the cell. You can then return the results in the new column to the original

Import Java.util.Scanner;public class Test2 {/** Free Fall Displacement formula: s = * * g * T2s---displacement (m)T---time (s)G---gravitational acceleration (9.8m/s)According to the input time, the displacement of how many meters*/public static void Main (string[] args){Double g = 9.8;Double S;int t;Scanner Scanner = new Scanner (system.in);System.out.println ("Please enter Time:");T=scanner.nextint ();s = 0.5 * G*T*T;//1/2 input is wrongSystem.out.p

calculation tool can only perform simple arithmetic-supported operators by priority ()--parentheses support nesting ^--power operations such as (^) */--Penalty division operations such as * * +--subtraction addition operations such as + The use of three computations Knowing the use of these calculators is easy, for example, you can type a formula in a document ^ (/) +* Then select the formula and cli

Excel square root formula How to hit Excel is a common Office tool, its function is very powerful, with a lot of already predefined functions, you can call at any time according to need. So how does Excel use the square root function sqrt? Here's a simple introduction. 　"How does the square root formula for Excel hit?" 　The first step is to open an Excel document on your desktop In the second

For example: Formula Blank Row Example The workaround is as follows: Method One: In the MathType edit window, select the contents of the parentheses and select format--"Separator alignment"--"currently selected template". To set a template for separator alignment in the Format menu Method Two: In the MathType edit window, select the contents of the parentheses, select format-left aligned, and top aligned, which is blank for the to

How to hide the equation behind the MathType formula Equation example after the MathType formula The workaround steps are as follows: 1. After you open the Word file, in the Word menu, select Insert--Reference--"caption." (This action is in Word 2003, and Word 2007 and later versions are directly in "references"). In the Word menu, choose Insert--reference--caption 2. In the pop

Method One: In the WIN8 system Metro application interface, with the right mouse click on the blank position, the following will appear in the "All Applications" option window, click "All applications." Open the WIN8 system for all applications, locate the "Digital Input Panel" and open it. The "Handwriting Input formula" window appears when you open it, and you can enter it directly with your handwriting. Method Two: On the WIN8 system,

There are many formulas for calculating pi pai in history, in which Gregory and Leibniz found the following formula: Pai = 4* (1-1/3+1/5-1/7 ...) The formula is simple and graceful, but in a bad way, it converges too slowly. If we rounded to keep its two decimal digits, then: Cumulative 1 items and are: 4.00 Cumulative 2 items and are: 2.67 Cumulative 3 items and are: 3.47 。。。 Please write out wha

Study questions "for primary 1-2-year students, randomly selected two integers and addition and subtraction to form a formula to ask the students to answer." Requirements (1) only out of 10 questions, 10 points per title, program at the end of the display of learning(2) To ensure that the formula does not exceed the level of 1-2 grade, only to allow 50 of the addition and subtraction, do not allow two of th

JDK's own class can implement the function of calling JS, and can implement the function of the operation formula in the string. public class Runstring { static scriptengine JSE = new Scriptenginemanager (). Getenginebyname ("JavaScript"); /** * @param args */public static void Main (string[] args) { String STRs = "1+1*2+ (10-(2* (5-3) * (2-1))-4 ) +10/(5-0) "; try { System.out.println (Jse.eval (STRs)); } catch (Exception t) {

To find the area of the triangle /* Syntax: result = AREA3 (float x1, float y1, float x2, float y2, float x3, float y3); Parameters: x1~3: Triangle 3 vertices x coordinate y1~3: Triangle 3 vertex y-coordinate return value: Triangle area/// * method: Helen-Qin Jiu formula known triangle A,b,c, then S area =√[p (P- A) (P-b) (P-C)] (Helen Formula) ( of which p= (A+B+C)/2)/ float area3 (float x1, float y1, floa

int, function floor () is rounded down, return double;int coercion type conversion, rounding to 0, that is, their negative number processing result is different 3. The large number of digits formula, which makes X=10^m (the integer part of M +1 is the number of digits of the large number x), has M=LG (x) Reference Code: #include #include #include #include #include #include #include #define MAXN 1500 using namespace std; int main () { //Freopen ("

reproduced in http://blog.csdn.net/zsq306650083/article/details/8772128 1. Vector Point multiplication formula derivation and geometric interpretation 01. The vector point multiplication (dot product) is the sum of the products of each component, and the formula: Write with a plus sign: 02. Geometrical Interpretation: The result of a point multiplication is a scalar that is equal to the product of the v