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# Formúla

Opens a submenu, from which you can insert a formula into the cell of a table. Place the cursor in a cell in the table or at the position in the document where you want the result to appear. Click the Formula icon and choose the desired formula from the submenu.

The formula appears in the input line. To specify a range of cells in a table, select the desired cells with the mouse. The corresponding cell references also appear in the input line. Enter additional parameters, as necessary, and click Apply to confirm your entry. You can also enter the formula directly if you know the appropriate syntax. This is necessary, for example, in the Insert Fields and Edit Fields dialogs.

Til að nálgast þessa skipun...

With the cursor in a table, press F2

In the Table toolbar, press the Formula icon.

Formúla

## Summary of Formula Options

### Basic Calculation Functions

Operation | Name | Example
--- | --- | ---
Bæta við | + | Calculates the total. Example: <A1> + 8
Frádráttur | - | Calculates the difference Dæmi: 10 - <B5>
Margföldun | MUL or * | Calculates the product. Dæmi: 7 MUL 9
Deiling | DIV or / | Calculates the quotient Example: 100 DIV 15

### Basic Functions in the Submenu

Function | Name | Example
--- | --- | ---
Summa | SUM | Calculates the sum of the selected cells. Example: SUM <A2:C2> displays the sum of the values in cells A2 to C2
Rúnna | ROUND | Rounds a number to the specified decimal places. Example: 15.678 ROUND 2 displays 15.68
Prósenta | PHD | Calculates a percentage Example: 10 + 15 PHD displays 10.15
Ferningur | SQRT | Calculates the square root. Example: SQRT 25 displays 5.00
Veldi | POW | Calculates the power of a number. Example: 2 POW 8 displays 256.00

### Aðgerðir

You can insert various operators in your formula. Choose from the following functions:

Operator | Name | Example
--- | --- | ---
Listaskiltákn | | | Separates the elements in a list. Example of using a list: MIN 10|20|50|<C6>|<A2:B6>|20
Líkt | EQ or == | Checks if selected values are equal. If they are unequal, the result is zero, otherwise 1 (true) appears. Example: <A1> EQ 2 displays 1, if the content of A1 equals 2.
Ekki jafnt | NEQ or != | Tests for inequality between selected values. Example: <A1> NEQ 2 displays 0 (wrong), if the content of A1 equals 2.
Minna en eða jafnt og | LEQ | Tests for values less than or equal to a specified value. Example: <A1> LEQ 2 displays 1 (true), if the content of A1 is less than or equal to 2.
Stærra en eða jafnt og | GEQ | Tests for values greater than or equal to a specified value Example: <A1> GEQ 2 displays 1 (true), if the content of A1 is greater than or equal to 2.
Minna | L | Tests for values less than a specified value Example: <A1> L 2 displays 1 (true), if the content of A1 is less than 2.
Meira en | G | Tests for values greater than a specified value Example: <A1> G 2 displays 1 (true), if the content of A1 is greater than 2.
Boole gildið EÐA | OR | Tests for values matching the Boolean OR Example: 0 OR 0 displays 0 (false), anything else results in 1 (true)
Boole gildið EÐA | XOR | Tests for values matching the Boolean exclusive OR Example: 1 XOR 0 displays 1 (true)
Boole gildið OG | AND | Tests for values matching the Boolean AND Example: 1 AND 2 displays 1 (true)
Boole gildið EKKI | NOT | Tests for values matching the Boolean NOT Example: NOT 1 (true) displays 0 (false)

### Tölfræðiaðgerðir

You can choose from the following statistical functions:

Function | Name | Example
--- | --- | ---
Meðal | MEAN | Calculates the arithmetic mean of the values in an area or a list. Example: MEAN 10|30|20 displays 20
Minnsta gildi | MIN | Calculates the minimum value in an area or a list. Example: MIN 10|30|20 displays 10
Hæsta gildi | MAX | Calculates the maximum value in an area or a list. Example: MAX 10|30|20 displays 30.00
Product | PRODUCT | Calculates the product of the selected cells. Example: PRODUCT <A2:C2> displays the product of the values in cells A2 to C2
Count | COUNT | Counts the number of non empty cells. Example: COUNT <A2:C2> displays the number of non empty cells in A2 to C2.

### Functions

You can choose from the following functions:

Function | Name | Example
--- | --- | ---
Sínus | SIN | Calculates the sine in radians Dæmi: SIN (PI/2)
Kósínus | COS | Calculates the cosine in radians. Dæmi: COS 1
Horn | TAN | Calculates the tangent in radians. Dæmi: TAN <A1>
Arccosine | ASIN | Calculates the arc sine in radians. Dæmi: ASIN 1
Kósínus | ACOS | Calculates the arc cosine in radians. Dæmi: ACOS 1
Tangent | ATAN | Calculates the arc tangent in radians. Dæmi: ATAN 1
Absolute value | ABS | Returns the absolute value of the number. Example: ABS -34 returns 34
Sign | SIGN | Returns the algebraic sign of the number. Example: SIGN -23 returns -1

### Variables for document properties

The following document properties are also found under File - Properties - Statistics.

Name | Description
--- | ---
CHAR | Number of characters in the document
WORD | Number of words in the document
PARA | Number of paragraphs in the document
GRAPH | Number of graphics in the document
TABLES | Number of tables in the document
OLE | Number of OLE objects in the document
PAGE | Total number of pages in the document

### More Defined Values

Description | Name | Value
--- | --- | ---
PI | PI | 3.1415...
Euler's constant | E | 2.71828...
Já | TRUE | not equal to 0
Nei | FALSE | 0