Module
Efnisyfirlit
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# Operators in LibreOffice Calc

You can use the following operators in LibreOffice Calc:

## Arithmetical Operators

These operators return numerical results.

Virki | Nafn | ### Example
+ (Plús) | Bæta við | 1+1
- (Mínus) | Frádráttur | 2-1
- (Mínus) | Neitun | -5
* (stjarna) | Margföldun | 2*2
/ (Skástrik) | Deiling | 9/3
% (Prósenta) | Prósenta | 15%
^ (ör) | Exponentiation | 3^2

## Samanburðarvirkjar

These operators return either true or false.

Virki | Nafn | ### Example
= (sama sem merki) | Líkt | A1=B1
> (Stærri en) | Stærri en | A1>B1
< (minna en merki) | Minni en | A1<B1
>= (Stærra en eða jafnt og) | Stærra en eða jafnt og | A1>=B1
<= (Minna en eða jafnt og) | Minna en eða jafnt og | A1<=B1
<> (ekki sama sem) | Ekki sama sem | A1<>B1

## Text operators

The operator combines separate texts into one text.

Stjórnanda | Nafn | ### Example
& (Og) | text concatenation AND | "Sun" & "day" is "Sunday"

## Reference operators

These operators return a cell range of zero, one or more cells.

Range has the highest precedence, then intersection, and then finally union.

Stjórnanda | Nafn | ### Example
: (tvípunktur) | Svið | A1:C108
! (Exclamation point) | Skurðflötur | SUM(A1:B6!B5:C12) Calculates the sum of all cells in the intersection; in this example, the result yields the sum of cells B5 and B6.
~ (Bylgja) | Concatenation or union | Takes two references and returns a reference list, which is a concatenation of the left reference followed by the right reference. Double entries are referenced twice. See note below this table.

Reference concatenation using a tilde character was implemented lately. When a formula with the tilde operator exists in a document that is opened in old versions of the software, an error is returned. A reference list is not allowed inside an array expression.