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You can enter formulas into the cells in a worksheet. These formulas can reference cells in different worksheets, working rows or comparison rows. Rather than including more complex spreadsheet functions, Budgets & Forecasts keeps a level of simplicity by allowing for basic arithmetic in these formulas.

Enter a basic formula

You enter formulas in a similar way to how you do it in other spreadsheet software, such as Microsoft Excel or Google Sheets, either directly into a cell or in the fx (formula) bar at the top of the grid when the cell is selected.

It is easy to identify and understand formulas. When a cell contains a formula, the cell value has a blue fx indicator next to it. You can hover over this indicator to view the formula or click a cell and view the formula in the fx bar.

Use operators

When you enter or edit an operator in a formula, a list of available operators displays. You can either use this list as a reference, so you know which operators you can use, or click the required operator to insert it into the formula.

Reference other cells in formulas

To enter more advanced formulas, you can reference values in other cells in the same worksheet (including those in comparison, sum and working lines) and in other worksheets (such as driver tabs).

When you view a formula in the fx bar, a description of the referenced cells display, along with a colored dot corresponding to those cells. So you can easily see what you’re calculating, rather than just a reference to a cell number.

Info

When you copy and paste cells that contain formulas, you can control how those formulas behave. In the majority of cases, the cell references are relative by default but you can switch to absolute references, if required. See the Copy and paste formulas (relative v absolute references) section below.

The following examples might be useful in your budget or forecast worksheet.

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titleReference a cell within the same worksheet

Your IT Computer Costs are a function of wages. In the formula below, the IT costs are 2% of AU wages.

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titleReference a cell in another worksheet

You added a Manual Entry Driver tab (which is named Assumptions) in which you entered an AUD exchange rate. You want to use that rate to calculate the budgeted cost of the Australian Conference. In the formula below, the Conference - AUD value is multiplied by the exchange rate in the Assumptions tab.

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titleReference a cell in a comparison row

You want the Sales budget values for this year to be ten percent higher than last year’s actuals. In the formula below, the April 2021 sales value is made up of the actual value from 2021 plus ten percent.

Use functions in formulas

You can use several different functions in your formulas. The available functions are listed below (in alphabetical order). Expand each section to view a description and example.

Enter a function

You enter functions in the same way you do in other worksheet software. The general steps are as follows:

  1. Select the cell in which you want to enter the function.

  2. Press the Equals = key to indicate that you're entering a function.

  3. Start Either click the blue down arrow next to the formula box and select a function from the list, or start typing the name of the function you want to use. As you type, a list of function names displays based on what you've entered so far.

  4. Select the required function from the list (or continue typing the function name).

  5. Press the Open parentheses ( key to indicate the beginning of the function's arguments, which are the cells of data on which the function operates.

  6. Select the arguments (reference cells). You can separate multiple arguments with commas or use your keyboard to select a range of arguments.
    See Use a range in a function below for more information.
    See the SUM function section below for examples of the different ways to select the arguments.

  7. Press the Close parentheses ) key to indicate the end of the function's arguments.

  8. Press Enter or Return to complete the function entry. The result of the function displays in the cell where you entered it.

  9. (Optional) Switch to absolute or relative references, if required.

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use_range
Use a range in a function

You can reference a range of cells in functions. In most cases, the ranges can only be on a single row. For example, you can SUM across a row but not down a column.

Functions that accept cell ranges are:

  • SUM, MIN, MAX and AVERAGE. You can use the Shift+Arrow keys to select the range.

  • DAYS, WEEKDAYS, WORKINGDAYS and WD. Currently, you can only select a range for these functions using the mouse method (not via the keyboard).

See the SUM function section below for examples of the different ways to select a range of cells.

Learn about the functions

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titleABS

Function: ABS(value)

Description:

  • Returns the absolute value of a number. If the number is positive or zero, its absolute value is the number. If the number is negative, the minus sign is omitted.

  • value = The number of which to return the absolute value.

Example: ABS(-2) = 2

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titleAND

Function: AND(test1, [test2…])

Description:

  • Determines if all conditions in a test are TRUE. If all conditions are TRUE, it returns TRUE. If any condition is FALSE, it returns FALSE. Commonly used with the IF function.

  • Test1, test2, ... are the conditions you want to test. Each test must result in either TRUE or FALSE.

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titleAVERAGE

Function: AVERAGE(value1, [value2...])

Description:

  • Returns the arithmetic mean of a series of numbers.

  • value1 = The first value or cell range to consider when calculating the average.

  • [value2...] = Optional, repeatable additional values to consider when calculating the average.

Example 1: AVERAGE(Jul 2025 .. Dec 2025) returns the average of the range from July 2025 to December 2025.

Example 2: AVERAGE1, 2, 3) returns the average of 1, 2 and 3, which is 2.

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titleCEILING

Function: CEILING(number, significance)

Description:

  • Rounds a number away from zero, up if a positive significance, down if a negative significance.

  • Number (required) is the value you want to round.

  • Significance (required) is the multiple to which you want to round.

Example 1:

CEILING($4.42,0.10)

$4.42 rounded up to the nearest multiple of 0.10 is $4.50.

Example 2:

CEILING($4.42, 1)

$4.42 rounded up to the nearest multiple of 1 is 5.

Example 3:

CEILING(-4.42, -2)

-$4.42 rounded up to the nearest multiple of -2 is -$6.

See also ROUNDUP

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titleDAYS

Function: DAYS

Description:

  • Number of days in period (e.g. June) or period range (e.g. Jul-Dec). Includes weekend days.

  • Useful for calculating values where days matter, such as costs that are based on the number of days in a period.

  • Select a cell or range of cells in between brackets, or leave blank for current period.

Example 1:

DAYS(Jun 2024) returns the number of days in June 2024.

Example 2:

You can refer to the other cells in the formula to calculate the number of days in a date range. Enter the function and within the parameters, select the cells that contain the values you want to include.

DAYS(Jul 2025 - Dec 2025) returns the number of days in the range from July 2025 to December 2025.

Example 3: Watch this video to learn how to use the days functions to calculate the number of days in a specified date range.

Bill 2.8 days function.mp4
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titleFINITE

Function: FINITE(value, result)

Description:

  • Checks whether a value is finite, NaN (not a number), -infinity or +infinity and returns a value corresponding to the first matching argument.

  • You can also define different values for NaN, -infinity and +infinity: FINITE(value, NaN, -infinity, +infinity).

Example 1:

A common use case is to return a specific value of a formula that is divided by zero, for example, by returning a zero value rather than the #DIV/0! reference.

FINITE(1/0, 0) returns the specified value of 0 instead of the #DIV/0! reference.

Example 2:

FINITE(-1/0,1,2,3) returns the value 2 as that was what was defined for -infinity, instead of the #DIV/0! reference.

Other examples:

FINITE(NaN, 0) = 0

FINITE(1/0, 5) = 5

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titleFV

Function: FV(rate, nper, pmt, [pv], [type])

Description:

  • Returns the future value of a loan based on a constant interest rate and repayments.

  • Rate (required) is the interest rate for the loan.

  • Nper (required) is the total number of payments for the loan.

  • Pmt or PV (required):

    • Pmt is the payment made each period. This typically contains principal and interest. If omitted, you must include the pv argument.

    • Pv is the present value or total amount a series of future payments is worth now. If omitted, you must include the pmt argument.

  • Type (optional) indicates when payments are due, either 0 or 1. If 0 or omitted, payments are due at the end of the period. If 1, payments are due at the beginning of the period.

Use consistent units for specifying the rate and nper. For example, if you make monthly payments at an annual interest rate of 5% on a 2-year loan, use 5%/12 for the rate and 2*12 for the nper. If you make annual payments, use 5% for rate and 2 for nper.

Example:

FV(0.06, 8, 1000)

Returns -$9897.47, which is the future value of an 8-year loan with repayments of $1,000 per year at an annual interest rate of 6%.

See also PMT.

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titleIF

Function: IF(logical expression, value if true, value if false)

Description:

  • Returns a value depending on logical expression.

  • A logical expression is a statement that evaluates to either TRUE or FALSE.

  • value if true is the value that is returned if the logical expression is TRUE.

  • value if false is the value that is returned if the logical expression is FALSE.

  • Allows you to use an if-then-else type of logic when entering formulas. Useful for setting thresholds for various parts of a model, such as setting a discount level based on the value of sales. For example, when monthly sales are greater than 7 million, you receive a rebate of 5% and when it is below 7 million, you will not receive a rebate.

Example 1 - Basic IF function:

IF(Sales > 7000000, Sales * 0.05, 0)

If Sales are greater than 7 million, 5% of the Sales will be returned, else 0 will be returned.

Example 2 - Nested IF function:

If Sales are greater than 7 million, 5% of the Sales will be returned, else if Sales are greater than 1.2 million, 2% of the Sales will be returned, else 0 will be returned.

Example 3 - Set a rebate level based on the value of sales:

If_formula.mp4
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titleIFERROR

Function: IFERROR(value, value_if_error)

Description:

  • Returns the value of a specified calculation unless that calculation results in an error, in which case it returns a specified value instead.

  • value is the calculation for which you want to view the result.

  • value_if_error is the value that is returned if the calculation results in an error.

  • Allows It allows you to use an if-then-else logic type of logic when entering formulas and is useful for identifying errors in a formula.

  • Not It is not to be confused with the ISERROR function (see below). IFERROR is effectively a shortcut for using the IF and ISERROR funcitons functions together.

Example 1:

IFERROR(10/5,0) returns 2 because the calculation (10/5) doesn’t evaluate to an error.

Example 2:

IFERROR(10/0,0) returns 0 because the calculation returns an error (#DIV/0).

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titleISERROR

Function: ISERROR(value)

Description:

  • Determines if a value is an error or not. If the value is an error, it returns TRUE. If the value isn’t an error, it returns FALSE.

  • value is the value that you want to test.

  • It allows you to use an if-then-else logic type when entering formulas and is useful for identifying errors in a formula.

  • It is not to be confused with the IFERROR function (see above).

Example 1:

IFERROR(10/5,0) returns FALSE because the calculation (10/5) doesn’t evaluate to an error.

Example 2:

ISERROR(#DIV/0) returns TRUE because #DIV/0 returns an error.

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titleIPMT

Function: IPMT(rate, per, nper, pv, [fv], [type])

Description:

  • Returns the interest payment for a loan based on constant payments and a constant interest rate.

  • Rate (required) is the interest rate for the loan.

  • Per (required) is the period for which you want to find the interest rate, which must be in the range of 1 to nper.

  • Nper (required) is the total number of payments for the loan.

  • Pv (required) is the present value or total amount a series of future payments is worth now.

  • Fv (optional) is the future value remaining after the final payment is made. If omitted, this is assumed to be 0.

  • Type (optional) indicates when payments are due, either 0 or 1. If 0 or omitted, payments are due at the end of the period. If 1, payments are due at the beginning of the period.

Use consistent units for specifying the rate and nper. For example, if you make monthly payments at an annual interest rate of 5% on a 2-year loan, use 5%/12 for the rate and 2*12 for the nper. If you make annual payments, use 5% for rate and 2 for nper.

Example:

IPMT(0.06,1,8,8000)

Returns -$480.00, which is the interest due in the first year of an 8-year loan of $8,000.

See also PMT

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titleMIN

Function: MIN(value1, [value2...])

Description:

  • Returns the smallest number in a set of values.

  • value1 = The first value or cell range to consider when calculating the minimum value.

  • [value2...] = Optional, repeatable additional values to consider when calculating the minimum value.

Example 1: MIN(Jul 2025 .. Dec2025) returns whichever has the smallest number out of the range from July 2025 to December 2025.

Example 2: MIN(-2, 5, 10) returns -2 as that is the smallest number out of -2, 5, and 10.

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titleMAX

Function: MAX(value1, [value2...])

Description

  • Returns the largest number in a set of values.

  • value1 = The first value or cell range to consider when calculating the maximum value.

  • [value2...] = Optional, repeatable additional values to consider when calculating the maximum value.

Example 1: MAX(Jul 2025 .. Dec 2025) returns whichever has the largest number out of the range from July 2025 to December 2025.

Example 2: MAX(-2, 5, 10) returns 10 as that is the largest number out of -2, 5, and 10.

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titleNOT

Function: NOT(test1, [test2…])

Description:

  • Determines if a value is different from one or more of the conditions. If the value is not any of the conditions, it returns TRUE. If the value matches one of the conditions, it returns FALSE. Commonly used with the IF function.

  • Test1, test2, ... are the conditions you want to test. Each test must result in either TRUE or FALSE.

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titleOR

Function: OR(test1, test2, [test3]...)

Description:

  • Determines if any conditions in a test are TRUE. If at least one is TRUE, it returns TRUE. If all conditions are FALSE, it returns FALSE. Commonly used with the IF function.

  • Test1, test2, ... are the conditions you want to test. Each test must result in either TRUE or FALSE.

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titlePOWER

Function: POWER(base, exponent)

Description:

  • Returns a number raised to a power.

  • base = The number to raise to the exponent power.

  • exponent = The exponent to raise base to.

Example:

POWER(5,2) The number returned when 5 is raised to the power of 2 is 25.

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titlePMT

Function: PMT(rate, nper, pv, [fv], [type])

Description:

  • Returns the payment for a loan based on constant payments and a constant interest rate. This includes the principal and interest.

  • Rate (required) is the interest rate for the loan.

  • Nper (required) is the total number of payments for the loan.

  • Pv (required) is the present value or total amount a series of future payments is worth now.

  • Fv (optional) is the future value remaining after the final payment is made. If omitted, this is assumed to be 0.

  • Type (optional) indicates when payments are due, either 0 or 1. If 0 or omitted, payments are due at the end of the period. If 1, payments are due at the beginning of the period.

Use consistent units for specifying the rate and nper. For example, if you make monthly payments at an annual interest rate of 5% on a 2-year loan, use 5%/12 for the rate and 2*12 for the nper. If you make annual payments, use 5% for rate and 2 for nper.

Example:

PMT(6, 8, 8000)

Returns -$1,288.29, which is the payment for an 8-year loan of $8,000 at an annual interest rate of 6%.

See also IPMT

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titleROUND

Function:ROUND(value, places)

Description:

  • Rounds a number to a specified number of decimal places.

  • value = The value or cell to round.

  • places = The number of decimal places to round to. Can be positive or negative. If using negative place values it can round to 10s, 100s, etc.

  • The returned value, when displayed in the grid, will display rounded to match the rounding of the cell that the formula is entered into. However, the underlying value will be accurate to the decimal places you specify and can be published, or referenced, by other cells.

Examples:

  • 2.558 rounded to 1 decimal place is 2.6.

  • 1234 rounded to -3 decimal places is 1000.

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titleROUNDUP

Function: ROUNDUP(number, num_digits)

Description:

  • Rounds a number up to a specified number of places.

  • Number (required) is any real number that you want to round up.

  • Num_digits (required) is the number of decimal places to which you want to round the number.

Example:

ROUNDUP($4.42,0)

$4.42 rounded up to zero decimal places is $5.00.

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titleROUNDDOWN

Function: ROUNDDOWN(number, num_digits)

Description:

  • Rounds a number down to a specified number of places.

  • Number (required) is any real number that you want to round down.

  • Num_digits (required) is the number of decimal places to which you want to round the number.

Example:

ROUNDdown($4.42,0)

$4.42 rounded down to zero decimal places is $4.00.

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titleSUM

Anchor
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sum

Description:

  • Returns the sum of a series of numbers, cell ranges and/or cells.

  • value1 = The first value or cell range to consider when calculating the sum.

  • value2 = Optional, repeatable additional values to consider when calculating the sum.

  • You can use commas or a colon to select the arguments:

    • SUM(value1, [value2…]) where value 1 is the first value and value 2… are the repeatable additional values to consider when calculating the sum.

    • SUM([value1:valueX…]) where value 1 is the first value and value X is the last value in the range of cells to consider when calculating the sum.

Example 1: SUM(Jul 2025 .. Dec 2025) returns the sum of the range from July 2025 to December 2025.

Example 2:  SUM(Jun 2023, Jul 2023) returns the sum of the June 2023 and the July 2023 cells.

Example 3 - Select cells in a range one at a time:

Use a comma between each selected value, such as SUM(1,2,3) = 6.

In the following example, the value in cell FL > Sep 2002 is the sum of the values in FL > Oct 2022, FL > Nov 2022 and FL > Dec 2022. In other words, 881 = 421 + 60 + 400.

Example 4 - Select a range of cells using keyboard shortcuts:

Use your keyboard to select a range of cells. Select the first cell in the range then either:

  • Hold the Shift+Arrow keys to select the other cells one at a time.

  • Hold the Shift key and select the last cell in the range.

In the following example, the value in cell FL > Sep 2002 is the sum of the values in FL > Oct 2022 : Dec 2022.

Example 5 - Select cells in a range (multiple methods): Watch this video…

Use the SUM function - Select a range.mp4
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titleSQRT

Function: SQRT(value)

Description:

  • Returns the positive square root of a positive number.

  • value = The number for which to calculate the positive square root.

Example:SQRT(4) returns the square root of 4 is 2.

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titleSWITCH

Function: SWITCH(expression, case1, value1, [case2, value2, ...], [default])

Description:

  • Suitable when dealing with multiple currencies, where you want the FX rate to differ depending on whether you write AUD, GBP, or USD.

  • Expression (required) is the reference cell.

  • Case1 (required) is the first test to be checked against the reference.

  • Value1 (required) is the corresponding result if the test is true (i.e. the expression matches the case).

Example:

SWITCH(A1, “AUD”, 1.2, “GBP”, 1.6, 1.0)

In cell A1, if you enter AUD, the result will show 1.2 but if you enter GBP, the result will be 1.6. In all other cases, the result will be 1.

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titleWEEKDAYS

Function: WEEKDAYS

Description:

  • Number of days in period (e.g. June) or period range (e.g. Jul-Dec). Includes weekend days.

  • Select a cell or range of cells in between brackets, or leave blank for current period.

Example 1: WEEKDAYS(Jun 2024) returns the number of weekdays in June 2024.

Example 2: WEEKDAYS(Jul 2025 - Dec 2025) returns the number of weekdays in the range from July 2025 to December 2025.

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titleWORKINGDAYS

Function: WORKINGDAYS(id, columns)

Description:

  • Number of working days in period (e.g. June) or period range (e.g. Jul-Dec) as defined by the specified working days calendar.

  • id = Calendar Id to fetch information from.

  • column = Optional, column or column range. Select a cell or range of cells in between brackets, or leave blank for current period.

  • You can type ‘wd’ as a shortcut for the working days function.

Example 1: WORKINGDAYS(Working Days UK, Jun 2024) returns the number of working days in the month of June 2024 based on the Working Days UK calendar.

Example 2: WORKINGDAYS(Working Days UK, Jul 2025 - Dec 2025)returns the number of working days in the range from July 2025 to December 2025 based on the Working Days UK calendar.

Copy and paste formulas (relative v absolute references)

To save time, you can copy and paste formulas. When you copy a formula, the pasted formula might have an absolute or relative reference, depending on the situation, as outlined below. You can quickly switch between these reference types to meet your formula needs.

Use relative referencing

With relative referencing, the cell references adjust automatically in the target cell. In other words, the references change when the formula is copied into other cells, relative to the position (row and column) of the formula.

In the following example, the formula in DL > September 2022 cell references the value in the FL > September 2022 cell. When that formula is copied into the next cell, the reference is relative (the month changes), so the reference part of the formula changes to become FL > September 2022.

When you copy formulas in a budget or forecast worksheet, the cell references in the target cells are relative by default in the following situations:

  • When you use the copy forward feature. For example, if a cell references January data, when you copy the cell to February, it will reference February data.

  • When you copy a formula that references a comparison row. This applies both to formulas copied to the same row and to different rows from the original cell.

  • When you copy a formula that references a working row. For example, if the original cell has two working rows and a formula references both of those rows, copying the formula to a cell which has two or more working rows will result in a relative formula being pasted into the target cells. The target cells need to have the same working row offset.

  • When you copy a formula that references a cell in one level into a target cell in a different entity in the same level. For example, if you copy a formula in Branch A’s Cost of Goods Sold, which references sales in Branch A, and paste it into Branch B’s Cost of Goods Sold, the formula will reference to Branch B’s sales.

Use absolute referencing

With absolute referencing, the cell references are locked. In other words, the references do not change when the formula is copied into other cells.

When you copy formulas in a budget or forecast worksheet, the cell references in the target cells are absolute by default in only one situation; when you copy forward a cell in the Total column, i.e. the formula will always reference the total.

You can change the default relative references listed above to absolute references (see next section below). Following on from the example above, if you manually switch to absolute referencing, you can see the dollar sign in the formula denotes the absolute reference and the reference part of the formula is the same in both cells; FL > September 2022.

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Switch from relative to absolutive referencing (or vice versa)

To switch (toggle) between absolute and relative references, in both a single cell reference and the components of a range, you use the F4 key.

  1. Enter the formula into the required cell, then in the formula bar, select the reference element of that formula.

  2. Press F4. A dollar sign displays next to the element (date) in the formula to identify it is an absolute reference.

  3. Click out of the formula bar and press Enter to view your changes.

  4. Copy the formula as required and note how the values change.

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titleExample: Switch from a relative to absolute referencing in a function that references a range of cells

In the image below, the formula uses a function that references a range of cells. That formula was copied forward into the other cells in the row. By default, relative referencing applies. When you press F4 to switch to absolute referencing, the reference to the first cell in the range becomes absolute, as illustrated in the second image below. Note the difference in the values in the subsequent cells.

If you press F4 again (2nd time), all the references become absolute, as illustrated in the image below.

If you press F4 again (3rd time), the reference to the other cells in the range become absolute, as illustrated in the image below.

If you press F4 again (4th time), you return to how you started; relative referencing applies again. So you can quickly switch between the different types of referencing to control how the values are copied into the other cells.

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titleVideo demonstrating how to switch between relative and absolute referencing in a range
Use the SUM function - Switch references.mp4

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