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Watch Video – Calculate the Number of Workdays Between Two Dates

Excel has some powerful functions to calculate the number of days between two dates in Excel. These are especially useful when you’re creating Gantt charts or timelines for a proposal/project.

In this tutorial, you’ll learn how to calculate the number of days between two dates (in various scenarios):

Excel has multiple ways to calculate the days between two dates.

Excel DAYS function can be used to calculate the total number of days when you have the start and the end date.

You need to specify the ‘Start Date’ and the ‘End Date’ in the Days function, and it will give you the total number of days between the two specified dates.

For example, suppose you have the start date is in cell B1 and End Date is in cell B2 (as shown below):

The following formula will give you the total number of days between the two dates:

=DAYS(B2,B1)

Note that you can also manually specify the dates in the Days function by putting it in double-quotes. Just make sure these dates in double-quotes is in an accepted date format in Excel.

DATEDIF function (derived from Date Difference) also allows you to quickly get the number of days between two dates. But unlike the DAYS function, it can do more than that.

You can also use the DATEDIF function to calculate the number of months or years that have elapsed in the two given dates.

Suppose you have the below dataset and you want to get the number of days between these two dates:

You can use the below DATEDIF formula to do this:

=DATEDIF(B1,B2,"D")

The above DATEDIF formula takes three arguments:

The start date – B1 in this example

The end date – B2 in this example

“D” – the text string that tells the DATEDIF function what needs to be calculated.

Also note that unline the other Excel functions, when you type the DATEDIF function in Excel, it will not show the IntelliSense (the autocomplete option that helps you with the formula arguments).

If you only want to calculate the number of days between two given dates, then it’s better to use the DAYS function. DATEDIF is more suited when you want to calculate the total number of years or months that have passed in between two dates.

For example, the below formula would give you the total number of months between the two dates (in B1 and B2)

=DATEDIF(B1,B2,"M")

Similarly, the below formula will give you the total number of years between the two dates:

=DATEDIF(B1,B2,"Y")

You can read more about the DATEDIF function here. One of the common uses of this function is when you need to calculate age in Excel.

Also read: How To Calculate Time In Excel

Excel has two functions that will give you the total number of working days between two dates and will automatically account for weekends and specified holidays.

Excel NETWORKDAYS function – you should use this when the weekend days are Saturday and Sunday.

Excel NETWORKDAYS INTERNATIONAL function – use this when the weekend days are not Saturday and Sunday.

Let’s first quickly have a look at NETWORKDAYS Function syntax and arguments.

Excel NETWORKDAYS Function – Syntax & Arguments

=NETWORKDAYS(start_date, end_date, [holidays])

start_date – a date value that represents the start date.

end_date – a date value that represents the end date.

[holidays] – (Optional) It is a range of dates that are excluded from the calculation. For example, these could be national/public holidays. This could be entered as a reference to a range of cells that contains the dates, an array of serial numbers that represent the dates, or a named range.

Let’s first look at an example where you want to calculate the number of working days (business days) between two dates with Saturday and Sunday as weekends.

To calculate the number of working days (Column D) – when the start date, end date, and holidays are specified – use the below formula in D3 and copy for all cells:

=NETWORKDAYS(B2,C2,$F$2:$F$6)

This function works great in most cases, except the ones where the weekends are days other than Saturday and Sunday.

For example, in middle-eastern countries, the weekend is Friday and Saturday, or in some jobs, people may have a six-day workweek.

To tackle such cases, Excel has another function – chúng tôi (introduced in Excel 2010).

Before I take you through the example, let’s quickly learn about the syntax and arguments of Excel NETWORKDAY INTERNATIONAL function

Excel NETWORKDAYS INTERNATIONAL Function – Syntax & Arguments

=NETWORKDAYS.INTL(start_date, end_date, [weekend], [holidays])

start_date – a date value that represents the start date.

end_date – a date value that represents the end date.

[weekend] – (Optional) Here, you can specify the weekend, which could be any two days or any single day. If this is omitted, Saturday and Sunday are taken as the weekend.

[holidays] – (Optional) It is a range of dates that are excluded from the calculations. For example, these could be national/public holidays. This could be entered as a reference to a range of cells that contains the dates or could be an array of serial numbers that represent the dates.

Now let’s see an example of calculating the number of working days between two dates where the weekend days are Friday and Saturday.

Suppose you have a dataset as shown below:

To calculate the number of working days (Column D) with the weekend as Friday and Saturday, use the following formula:

=NETWORKDAYS.INTL(B2,C2,7,$F$2:$F$6)

The third argument in this formula (the number 7) tells the formula to consider Friday and Saturday as the weekend.

We can use the NETWORKDAYS function to calculate the number of weekends between two dates.

While the Networkdays function calculates the number of working days, we can also use to get the number of weekend days between two dates.

Suppose we have a dataset as shown below:

Here is the formula that will give you the total number of weekends days between the two dates:

=DAYS(C2,B2)+1-NETWORKDAYS(B2,C2)

You can use Excel chúng tôi function to calculate the number of workdays in a part-time job as well.

Let’s take an example where you are involved in a project where you have to work part-time (Tuesday and Thursday only).

Here is the formula that will get this done:

=NETWORKDAYS.INTL($B$3,$C$3,"1010111",$E$3:$E$7)

Note that instead of choosing the weekend from the drop-down that’s inbuilt in the function, we have used “1010111” (in double quotes).

0 indicates a working day

1 indicates a non-working day

The first number of this series represents Monday and the last number represents Sunday.

So “0000011“ would mean that Monday to Friday are working days and Saturday and Sunday are non-working (weekend).

With the same logic, “1010111” indicates that only Tuesday and Thursday are working, and rest 5 days are non-working.

In case you have holidays (which you don’t want to get counted in the result), you can specify these holidays as the fourth argument.

To find the number of Mondays between two dates (or any other day), we can use the same logic as used above in calculating part-time jobs.

Suppose you have a dataset as shown below:

Here is the formula that will give you the number of Mondays between the two dates:

=NETWORKDAYS.INTL(B2,C2,"0111111")

In this formula, ‘0’ means a working day and ‘1’ means a non-working day.

This formula gives us the total number of working days considering that Monday is the only working day of the week.

Similarly, you can also calculate the number of any day between two given dates.

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Python Program To Calculate The Cube Root Of The Given Number

Mathematically, a cube root of a certain number is defined as a value obtained when the number is divided by itself thrice in a row. It is the reverse of a cube value. For example, the cube root of 216 is 6, as 6 × 6 × 6 = 216. Our task in this article is to find the cube root of a given number using python.

The cube root is represented using the symbol “$mathrm{sqrt[3]{a}}$”. The 3 in the symbol denotes that the value is divided thrice in order to achieve the cube root.

There are various ways in python to calculate the cube root of a number. Let us look at them one by one below −

Using a simple math equation.

Using math.pow() function.

Using cbrt() function in numpy.

Input Output Scenarios

Let us now look at some input output scenarios to calculate thee cube root of a given number −

Assume the given input number is positive, the output is displayed as −

Input: 8 Result: 2

Assume the given input is negative, the output is displayed as −

Input: -8 Result: -2

Assume the input is a list of elements, the output is obtained as −

Input: [8, -125] Result: [2, -5] Using Mathematical Equation

Let us start simple; we use a simple mathematical equation to find the cube root of a number in python. In here, we find the $mathrm{frac{1rd}{3}}$. power of the input number.

Example 1: For Positive Numbers

Given below is a python program that computes the cube root of a positive number.

num

=

216

cube_root

=

num

**

(

1

/

3

)

print

(

“Cube root of “

,

str

(

num

)

,

” is “

,

str

(

cube_root

)

)

Output

The output of the above python code is −

Cube root of 216 is 5.999999999999999 Example 2: For Negative Numbers

Given below is a python program that computes the cube root of a negative number.

num

=

216

cube_root

=

(

num

)

**

(

1

/

3

)

print

(

“Cube root of “

,

str

(

num

)

,

” is “

,

str

(

cube_root

)

)

Output Cube root of -216 is -5.999999999999999 Using math.pow() Function

The math.pow(x, y) function returns the value of x raised to the power y, with the condition of x being always a positive value. So in this case, we use this function to raise the input number to its $mathrm{frac{1rd}{3}}$. power.

Example 1: For Positive Numbers

In the python program below, we find the cube root of a positive input number

num

=

64

cube_root

=

math

.

pow

(

num

,

(

1

/

3

)

)

print

(

“Cube root of “

,

str

(

num

)

,

” is “

,

str

(

cube_root

)

)

Output

The output achieved is −

Cube root of 64 is 3.9999999999999996 Example 2: For Negative Numbers

In the python program below, we find the cube root of a negative input number.

num

=

64

cube_root

=

math

.

pow

(

num

,

(

1

/

3

)

)

print

(

“Cube root of “

,

str

(

num

)

,

” is “

,

str

(

cube_root

)

)

Output

The output achieved is −

Cube root of -64 is -3.9999999999999996 Using numpy’s cbrt() function

cbrt() is a built-in function in the numpy library that returns the cube root of every element present in an array inputted. This method does not raise an error while finding the cube root of a negative number therefore making it more efficient than previous approaches.

Example

In the python example below, we are taking inputs using python lists and using cbrt() function we find the cube root.

import

numpy

as

np

num

=

[

64

,

729

]

cube_root

=

np

.

cbrt

(

num

)

print

(

“Cube root of “

,

str

(

num

)

,

” is “

,

str

(

cube_root

)

)

Output

On compiling and executing the python code above, the output can be obtained as −

Cube root of [64, -729] is [ 4. -9.]

To Calculate The Employee Tenure In Months Or Years In Excel

When discussing the employment of any worker, the word Tenure will come up more frequently in discussion. The length of time that an individual has worked for one particular employer is referred to as their tenure. Simply said, an employee’s length of service is what is meant by the term “tenure.” Excel can be of assistance to us when it comes to calculating tenure or the average tenure of an employee.

If you are the one in charge of people tracking in our company or department, you could be wondering if you can use Excel to determine the number of months an employee has been employed by the company based on the date they started working there. This is something that is quite simple to accomplish.

This tutorial will present a straightforward formula for calculating tenure, the resulting value can be expressed either in months or years.

Using DATEDIF function

Excel’s DATEDIF function calculates the difference between two date values and returns the result in either years, months, or days. The DATEDIF function is referred to as a compatibility function. The DATEDIF function is able to compute the amount of time in years, months, or days that has elapsed between two specified dates (a start date and an end date). The unit argument, which is passed in as text, is used to provide the information necessary to specify the time unit.

Let’s go through one example and see how the employee tenure is calculated using DATEDIF function step by step.

Calculating the Tenure in Months

Let’s find out how you can use Excel to calculate the tenure of an employee in months.

Step 1

We have some name of the employees with their joining date in our excel sheet as shown in below given image. We are going to calculate the tenure of their employment comparing with the current date.

Step 2

Then select one blank cell next to the current date and add the below given formula in it. In our example we have selected the cell D2 and added the below given formula in it.

=DATEDIF(B2,NOW(),"M")

After adding the formula press enter to see the result.

In our example we have applied the formula for the value in cell B2. You can change the cell value as per your need. See the below given image.

Step 3

Pull the auto-fill handle all the way down to the cells where you want this formula to be applied. Check out this screenshot.

Calculating the Tenure in Years

Let’s see how to use Excel to calculate the employee tenure in Years.

Step 1

Considering the above given example, if you want to know the tenure of the employee in years, add the below given formula to one blank cell.

In our example we have added the formula in E2 cell.

=DATEDIF(B2,NOW(),"Y")

After adding the formula press enter to see the result.

In our example we have applied the formula for the value in cell B2. You can change the cell value as per your need. See the below given image.

Step 2

Pull the auto-fill handle all the way down to the cells where you want this formula to be applied. Check out this screenshot.

Calculating the Tenure in Years and Months

Now let’s see how to use Excel to calculate the tenure of an employee in Years and Months.

Step 1

Considering the above given example, if you want to know the tenure of the employee in years and months, add the below given formula to one blank cell.

In our example we have added the formula in F2 cell.

=DATEDIF(B2,C2,"y") & " years, " & DATEDIF(B2,C2,"ym") & " months "

After adding the formula press enter to see the result.

You can change the cell value as per your need. See the below given image.

Step 2

To apply this formula to the cells of your choosing, drag the auto fill handle down to them. Take a look at the below given image.

Conclusion

In this tutorial, we demonstrated how you can use Excel to calculate tenure of an employee in years and months using DATEDIF function.

How To Remove Spaces Between Characters And Numbers In Excel?

In this post, we will show you how to remove spaces between characters and numbers in Excel. Whether you want to remove leading or trailing spaces or trim extra spaces between words and numbers in Microsoft Excel, this post will help you get rid of all unnecessary spaces that stick with your data while importing or copying-pasting it from external applications.

Extra spaces may sometimes appear with non-printable characters that may be hard to deal with. When you apply functions to such data, Excel counts these spaces as additional characters and shows incorrect results or throws errors. For example, if you compare two cells with the same content, the result may be incorrect if one of them consists of extra spaces.

Spaces may easily be recognized with the naked eye, but they too could be hard to spot in large data sets. In this post, we will guide you on how to remove these unwanted spaces using different methods.

How to remove Spaces between Characters and Numbers in Excel

The following methods will help you remove spaces between characters and numbers in Excel:

Remove spaces using the TRIM() function.

Remove spaces using the SUBSTITUTE() function.

Remove spaces using the Find and Replace feature.

Let us see these in detail.

Remove spaces in Excel using the TRIM() function

The TRIM() function is a text function in Excel that is used to fix irregular spacing. It removes all extra spaces from a given text string, leaving no spaces at the beginning and the end of the string and just a single space between the words of the string. When you’re dealing with textual data, using the TRIM() function to strip unwanted spaces would be helpful.

The syntax of the TRIM function is:

TRIM(text)

where text refers to the text string or reference to the cell containing the text string.

Let the understand this with the help of an example.

Suppose we have an Excel file containing the ‘Author Name’ and ‘Author Code’ for authors of TheWindowsClub as shown in the above image. The data consists of irregular spacing which needs to be fixed. For this, we may use the TRIM() function as follows:

Place your cursor on cell C5 and type the following function:

=TRIM(A5)

To use this method with your data, you will have to apply the function in a new column/cell and then copy-paste the results into the original column/cell. While pasting the data, make sure to select the Values (V) option in Paste Options.

Notes:

If your data consists of some non-printable characters, TRIM() function will not remove them. For this, you need to use the CLEAN() function. If the data consists of both extra spaces and non-printable characters, you may use a combination of both functions.

If you apply this formula to a number, it will remove leading and trailing spaces but limit the in-between spaces to 1. For removing all the spaces from numbers, you may use the next two methods.

Remove spaces using the SUBSTITUTE() function in Excel

SUBSTITUTE() is another text function that lets you replace an existing text with a new text in Excel. You may use this function to remove all the spaces (leading, trailing, and all in-between spaces) from a text string or a number.

The Syntax of SUBSTITUTE() function is:

Substitute (text,old_text,new_text,[instance_ num])

Where text refers to the main text string

old_text refers to the specific text that needs to be replaced with new_text

new_text refers to the text that should substitute the old_text

[instance_ num] is an optional parameter that refers to the occurrence of old_text that should be replaced with new_text. If this is not specified, all the occurrences of the old_text will be replaced.

Taking the above example, we may remove extra spaces between characters and numbers in Excel using the SUBSTITUTE() function as follows:

Place your cursor on cell C5 and type the following function:

=SUBSTITUTE(A5, " ", "")

The above function will replace all space characters with an empty string. Hence it will also remove the in-between spaces from the author names, as shown in the above image. Therefore it is best suited to remove spaces between numbers. Or in special cases may be used to remove spaces between words or characters.

Also, this function too will require you to apply it in a new column/cell. Once you get the results, you may copy-paste them to your original column/cell.

Read: Excel is slow to respond or stops working.

Remove spaces in Excel using the Find and Replace feature

The above results may also be achieved using the Find and Replace feature in Excel. As you may already know, Find and Replace is a handy feature that lets you replace a specific text with another text and is most commonly used for data correction, such as spelling mistakes. However, it can also be used to remove unwanted spaces, such as leading, trailing, or the extra spaces between numbers or characters in Excel.

The key benefit of using this feature is that it can work on a selected cell range or the entire worksheet in one go. So you don’t have to apply functions somewhere else and then copy-paste the results to the original cells. You can simply select the data range and use the feature. However, bear in mind that this will also remove the single space that separates words within a text string. So make sure you choose the appropriate method as per your requirement.

To remove spaces between characters and numbers in the above example, we may use the Find and Replace feature in Excel as follows:

Select the data range.

Select the Replace option.

In the Find and Replace dialogue box, enter a space in the Find what field.

Do not enter anything in the Replace with field. Leave it empty.

This will replace all the spaces with an empty string. Hence all the extra spaces will be removed from your Excel data.

Another important point to note here is the Find and Replace feature considers the leading zeros (0) as spaces. So it will remove all the zeroes from the beginning of your numbers.

Read Next: Convert JSON to Excel using free online converter tools.

How To Count The Number Of Notifications On An Icon?

Overview

A notification icon is a common feature that exists in each and every application. In order to count the number of notifications and display it on an icon can be achieved with basic knowledge of JavaScript. So to build this feature we should have some prior knowledge about HTML Document Object Model (DOM), CSS, Bootstrap and JavaScript.

Approach

To start building this feature first we had to link some of the Content Delivery Network (CDN) links to our HTML page.

Font Awesome CDN Link −

Bootstrap CDN Link −

Algorithm

Step 1 − Create a HTML page and link the above Content Delivery Network (CDN) link in the head tag of the page.

Step 3 − Create the notification section using bootstrap list-group component, add the id attribute with value as “notis”.

Show Notifications Remove Notification

Step 5 − Now inside the script tag make the functioning of the feature. Create an empty array that contains all the upcoming notifications.

var Notifications = [ "News Article added", "User login Failed", "Article was sucessfully propmted", "Device was found at 127.0.0.1", "New login alert" ];

Step 6 − Access the notifications section with its id as document.getElementById() and iterate over the array “arr” which contains all the notifications. Insert the notification inside the list group concatenating the particular notification using innerHTML.

var noti = document.getElementById("notis"); for (var n = 0; n < Notifications.length; n++) { noti.innerHTML += a; }

Step 7 − Create a JavaScript arrow function “showNoti()”, access the inner text of the output badge. Use parseInt() property to get the value in Number type. Change the style to the notification section to “block” using DOM styling property.

var a = parseInt(document.getElementById(“output”).innerText); document.getElementById(“output”).style.background = “red”; document.getElementById(“output”).innerText = Notifications.length; if (Notifications.length == 0) { alert(“No notification found”); } noti.style.display = “block”; }

Step 8 − Create a JavaScript arrow function “clearAll()”, access the inner text of the output badge. parseInt() property to get the value in Number type. Use the pop() method of the array object which will remove the element from an array, simultaneously use remove() method of DOM to remove the notification element also.

var a = parseInt(document.getElementById(“output”).innerText); alert(“No notification found”); } Notifications.pop(); document.getElementById(“output”).innerText = Notifications.length; document.getElementById(“noti”).remove(); }

Example

var Notifications = [“New Article added”, “Login Failed”, “Article was sucessfully propmted”, “Device was found at 127.0.0.1”, “New login alert”]; var noti = document.getElementById(“notis”); for (var n = 0; n < Notifications.length; n++) { } var a = parseInt(document.getElementById(“output”).innerText); document.getElementById(“output”).style.background = “red”; document.getElementById(“output”).innerText = Notifications.length; if (Notifications.length == 0) { alert(“No notification found”); } noti.style.display = “block”; } var a = parseInt(document.getElementById(“output”).innerText); alert(“No notification found”); } Notifications.pop(); document.getElementById(“output”).innerText = Notifications.length; document.getElementById(“noti”).remove(); }

Description Conclusion

To work in real-time projects with the notification icon, we can call Application Program Interface (API) for notifications. We can store the notifications in an array and can iterate over the array using any loop or map function and can display the notification in our application. We can also add the animation to our notification panel with notification sound, so when the notification arrives it should produce the arrival sound with a good animation.

Golang Program To Calculate The Sum Of Rows Of Matrix Elements

A matrix is a collection of numbers arranged in rows and columns, a two-dimensional array. Here we will use three methods to find the sum of elements and compare each method for the same using Go Programming language.

Algorithm

Step 1 − Import the fmt package.

Step 2 − Now we need to start the main() function.

Step 3 − Then we are creating a matrix naming matrix.

Step 4 − Print the matrix on the screen using fmt.Println() function.

Step 5 − Initialize a new variable called sum of type int to hold the resultant sum.

Step 6 − To find sum of the row elements use the for loop to iterate over the matrix.

Step 7 − Using the first for loop is used to get the row of the matrix while the second for loop gives us the column of the matrix.

Step 8 − Once the loop gets over the matrix elements update the sum variable by adding values to it.

Step 9 − Print the sum of the matrix on the screen.

Example 1

In this Golang program, We will use a for loop to iterate over the matrix and find the sum of its elements and print it on the screen.

package main import "fmt" func main() { matrix := [3][3]int{ {0, 1, 2}, {4, 5, 6}, {8, 9, 10}, } fmt.Println("The given matrix is:") for i := 0; i < 3; i++ { for j := 0; j < 3; j++ { fmt.Print(matrix[i][j], "t") } fmt.Println() } fmt.Println() for i := 0; i < len(matrix); i++ { sum := 0 for j := 0; j < len(matrix[i]); j++ { sum += matrix[i][j] } fmt.Printf("Sum of elements in row %d is %dn", i+1, sum) } } Output The given matrix is: 0 1 2 4 5 6 8 9 10 Sum of elements in row 1 is 3 Sum of elements in row 2 is 15 Sum of elements in row 3 is 27 Example 2

In this example, we will find the sum of the rows of matrix elements using range function.

package main import "fmt" func main() { matrix := [3][3]int{ {20, 1, 2}, {4, 5, 6}, {8, 9, 10}, } fmt.Println("The given matrix is:") for i := 0; i < 3; i++ { for j := 0; j < 3; j++ { fmt.Print(matrix[i][j], "t") } fmt.Println() } fmt.Println() for i, row := range matrix { sum := 0 for _, val := range row { sum += val } fmt.Printf("Sum of elements in row %d is %dn", i+1, sum) } } Output The given matrix is: 20 1 2 4 5 6 8 9 10 Sum of elements in row 1 is 23 Sum of elements in row 2 is 15 Sum of elements in row 3 is 27 Example 3

In this example, we will use the recursion approach to find the sum of rows of matrix elements.

package main import "fmt" func rowSum(matrix [][]int, row int) int { if row == len(matrix) { return 0 } sum := 0 for _, val := range matrix[row] { sum += val } return sum } func main() { matrix := [][]int{ {20, 1, 2}, {4, 50, 6}, {8, 9, 10}, } fmt.Println("The given matrix is:") for i := 0; i < 3; i++ { for j := 0; j < 3; j++ { fmt.Print(matrix[i][j], "t") } fmt.Println() } fmt.Println() for i := 0; i < len(matrix); i++ { fmt.Printf("Sum of elements in row %d is %dn", i+1, rowSum(matrix, i)) } } Output The given matrix is: 20 1 2 4 50 6 8 9 10 Sum of elements in row 1 is 23 Sum of elements in row 2 is 60 Sum of elements in row 3 is 27 Conclusion

We have successfully compiled and executed a go language program to add to matrices along with examples. In the first and second example we have used for loop and range functions respectively in the main() section of the program while in the last example we have used a separate function to implement the logic.

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