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# LibreOffice Calc의 연산자

LibreOffice Calc에서는 다음과 같은 연산자를 사용할 수 있습니다.

## 산술 연산자

이 연산자는 숫자상의 결과를 제공합니다

연산자 | 이름 | Example
--- | --- | ---
+ | 덧셈(+) | 1+1
- | 뺄셈 | 2-1
- | 부정 | -5
* | 곱셈 | 2*2
/ | 나눗셈 | 9/3
% | 백분율 | 15%
^ | 누승 | 3^2

Prefix "-" (negation) has a higher precedence than "^" (exponentiation). For example -3^2 equals 9, which is the square of a negative number.

B^X may or may not report a #NUM! error when B is negative and X is not an integer. The expression =B^X is calculated the same way as =POWER(B;X).

## 비교 연산자

이 연산자는 진리값 TRUE 또는 WRONG을 제공합니다.

연산자 | 이름 | Example
--- | --- | ---
= | 동일 | A1=B1
> | 초과 | A1>B1
< | 미만 | A1<B1
>= | 크거나 같음 | A1>=B1
<= | 작거나 같음 | A1<=B1
<> | 동일하지 않음 | A1<>B1

## 텍스트 연산자

이 연산자는 각각의 텍스트를 전체 텍스트에 연결합니다.

연산자 | 이름 | Example
--- | --- | ---
& | text concatenation | "Sun" & "Day"의 결과는 "Sunday"입니다

## 참조 연산자

이 연산자들은 없거나, 하나 또는 그 이상의 셀 범위를 돌려줍니다.

범위가 가장 높은 우선순위를 가지고 그 다음이 교집합이며 마지막으로 합집합입니다.

연산자 | 이름 | Example
--- | --- | ---
: | 영역 | A1:C108, A:D or 3:13
! | 교집합 | SUM(A1:B6!B5:C12) 교차된 영역에 있는 모든 셀의 합계를 구합니다. 예를 들어 셀 B5와 B6이 교차 영역에 있으면 그 합계가 계산됩니다.
~ | 연결 또는 합집합 | 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. =COUNT(A1:B2~B2:C3) counts values of A1:B2 and B2:C3. Note that the cell B2 is counted twice. =INDEX(A1:B2~C1:D2;2;1;2) selects cell C2, that is, the first cell of the second row, first column, of the second range (C1:D2) of the range list.

A reference list is not allowed inside an array expression.

## Operator precedence

Associativity and precedence of operators, from highest to lowest precedence.

Associativity | Operator(s) | Comments
--- | --- | ---
left | : | Range.
left | ! | Reference intersection (A1:C4!B1:B5 is B1:B4).
left | ~ | Reference union.
right | +,- | Prefix unary operators. For example, -5 or -A1. Note that these have a different precedence than add and subtract.
left | % | Postfix unary operator % (divide by 100). Note that this is legal with expressions, for example, B1%.
left | ^ | Power (2^3 is 8).
left | *,/ | Multiply, divide.
left | +,- | Binary operations add, subtract. Note that unary (prefix) + and - have a different precedence.
left | & | Binary operation string concatenation. Note that "&" shall be escaped when included in an XML document.
left | =, <>, <, <=, >, >= | Comparison operators equal to, not equal to, less than, less than or equal to, greater than, greater than or equal to.

Prefix "-" has a higher precedence than "^", "^" is left-associative, and reference intersection has a higher precedence than reference union.

Prefix "+" and "-" are defined to be right-associative. However, note that typical applications which implement at most the operators defined in this specification (as specified) may implement them as left-associative, because the calculated results will be identical.

Precedence can be overridden by using parentheses, so "=2+3*4" computes to 14 but "=(2+3)*4" computes 20.

관련 주제

OpenDocument v1.3 part 4, Formula Operators

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