25:
1529:
402:
648:, can be seen as unary operations. This is because it is possible to provide only one term as input for these functions and retrieve a result. By contrast, binary operations, such as
176:
304:
542:
501:
646:
626:
606:
432:
452:
208:
1408:
919:
900:
825:
806:
108:
1554:
42:
89:
46:
61:
938:
68:
1549:
1533:
1428:
35:
1559:
1277:
75:
893:
1498:
1473:
1292:
585:
130:
57:
1446:
1297:
142:
660:
Below is a table summarizing common unary operators along with their symbols, description, and examples:
1212:
1414:
149:
397:{\displaystyle |n|={\begin{cases}n,&{\mbox{if }}n\geq 0\\-n,&{\mbox{if }}n<0\end{cases}}}
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1216:
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862:
1393:
1367:
1282:
1050:
281:
185:
509:
468:
82:
1272:
232:
138:
631:
611:
591:
1021:
284:
extending the square root sign over the argument can indicate the extent of the argument.
220:
407:
569:
565:
437:
298:
193:
1543:
1343:
1318:
462:
This is used to find the negative value of a single number. Here are some examples:
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581:
950:
752:
277:
264:
122:
24:
1146:
1046:
799:
561:
268:
236:
1528:
992:
874:
649:
772:
134:
1004:
228:
1287:
276:). Other notations exist as well, for example, in the case of the
247:
224:
301:
of a number is a unary operation. This function is defined as
18:
390:
896:
family of languages, the following operators are unary:
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341:
634:
614:
594:
512:
471:
440:
410:
307:
196:
152:
556:, the product of the integers less than or equal to
652:, require two different terms to compute a result.
49:. Unsourced material may be challenged and removed.
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202:
170:
766:flag = true; result = !flag; // result is false
762:Negates the truth value of a Boolean expression
782:Bitwise negation, flips the bits of an integer
572:is an unary operation extension of factorial.
137:, i.e. a single input. This is in contrast to
8:
1429:"Unary Operators - C Tutorials - Sanfoundry"
1057:), e.g., the following operators are unary:
141:, which use two operands. An example is any
16:Mathematical operation with only one operand
1447:"Shell Arithmetic (Bash Reference Manual)"
1413:. Version 6.0. p. 109. Archived from
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593:
511:
470:
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419:
411:
409:
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340:
324:
316:
308:
306:
195:
151:
109:Learn how and when to remove this message
1472:Miran, Mohammad Shah (26 October 2023).
662:
1309:
786:num = 5; result = ~num; // result is -6
706:Decreases the value of a variable by 1
688:Increases the value of a variable by 1
1149:, the following operators are unary:
7:
47:adding citations to reliable sources
656:Examples from programming languages
14:
1527:
1407:"5. Expressions and Operators".
1368:"Unary Operators in Programming"
171:{\displaystyle f:A\rightarrow A}
23:
34:needs additional citations for
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516:
481:
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420:
412:
317:
309:
162:
1:
1505:. Microsoft. 3 September 2021
802:, these operators are unary:
245:), functional notation (e.g.
560:is a unary operation called
1576:
1499:"Expressions - PowerShell"
742:Indicates a negative value
728:a = -5; b = +a; // b is -5
724:Indicates a positive value
710:y = 10; --y; // y is now 9
1474:"Unary Operators in Bash"
1278:Iterated binary operation
746:c = 4; d = -c; // d is -4
692:x = 2; ++x; // x is now 3
552:For any positive integer
434:is the absolute value of
1410:C/C++ Language Reference
1077:Pre and Post-Decrement:
1061:Pre and Post-Increment:
212:is a unary operation on
1555:Operators (programming)
1293:Operation (mathematics)
586:trigonometric functions
537:{\displaystyle -(-3)=3}
496:{\displaystyle -(3)=-3}
1453:. GNU Operating System
1298:Operator (programming)
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622:
602:
538:
497:
448:
428:
398:
204:
172:
1348:mathworld.wolfram.com
1323:mathworld.wolfram.com
1228:Invoke in new scope:
888:C family of languages
643:
641:{\displaystyle \tan }
623:
621:{\displaystyle \cos }
603:
601:{\displaystyle \sin }
539:
498:
449:
429:
399:
219:Common notations are
205:
173:
1536:at Wikimedia Commons
1129:Complex expansion:
632:
612:
592:
564:. In the context of
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469:
438:
408:
305:
194:
150:
43:improve this article
1503:learn.microsoft.com
1342:Weisstein, Eric W.
1317:Weisstein, Eric W.
1120:Simple expansion:
427:{\displaystyle |n|}
1550:Elementary algebra
1433:www.sanfoundry.com
1344:"Binary Operation"
1203:Logical negation:
1111:Logical negation:
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1532:Media related to
1394:"Unary Operators"
1319:"Unary Operation"
1283:Ternary operation
1041:Unix shell (Bash)
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447:{\displaystyle n}
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344:
203:{\displaystyle f}
139:binary operations
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118:
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58:"Unary operation"
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1534:Unary operations
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1273:Binary operation
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993:Logical negation
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981:Ones' complement
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1374:. 20 March 2024
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1306:
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1250:
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1241:cast-expression
1240:
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1204:
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727:
719:
709:
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683:
658:
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629:
610:
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589:
578:
566:complex numbers
550:
508:
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467:
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436:
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338:
325:
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302:
295:
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256:
246:
239:
221:prefix notation
213:
192:
191:
189:
188:. The function
181:
148:
147:
145:
127:unary operation
115:
104:
98:
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52:
50:
40:
28:
17:
12:
11:
5:
1573:
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1523:
1522:External links
1520:
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1417:on 2012-10-16.
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1075:
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978:
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948:
936:
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872:
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823:
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792:
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689:
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677:
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637:
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577:
574:
570:gamma function
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299:absolute value
297:Obtaining the
294:
293:Absolute value
291:
289:
286:
282:horizontal bar
199:
167:
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133:with only one
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1372:GeeksforGeeks
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60: –
59:
55:
54:Find sources:
48:
44:
38:
37:
32:This article
30:
26:
21:
20:
1507:. Retrieved
1502:
1493:
1481:. Retrieved
1477:
1467:
1455:. Retrieved
1450:
1441:
1432:
1423:
1415:the original
1409:
1402:
1388:
1376:. Retrieved
1371:
1362:
1351:. Retrieved
1347:
1337:
1326:. Retrieved
1322:
1312:
1239:
1144:
1055:Bourne Shell
1044:
1031:
1027:
891:
797:
659:
582:trigonometry
579:
576:Trigonometry
557:
553:
551:
461:
296:
272:
265:superscripts
258:
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240:
218:
126:
120:
105:
96:
86:
79:
72:
65:
53:
41:Please help
36:verification
33:
1478:LinuxSimply
1451:www.gnu.org
1215:in current
1169:Decrement:
1153:Increment:
951:Indirection
773:Bitwise NOT
753:Logical NOT
734:Unary Minus
672:Description
278:square root
123:mathematics
1544:Categories
1353:2020-07-29
1328:2020-07-29
1304:References
1194:Negative:
1185:Positive:
1147:PowerShell
1141:PowerShell
1102:Negative:
1093:Positive:
1047:Unix shell
971:Negative:
962:Positive:
853:Negative:
844:Positive:
800:JavaScript
794:JavaScript
716:Unary Plus
588:, such as
99:March 2010
69:newspapers
1028:type-name
1015:type-name
1013:, sizeof(
920:Decrement
901:Increment
826:Decrement
807:Increment
698:Decrement
680:Increment
562:factorial
548:Factorial
520:−
514:−
488:−
473:−
361:−
351:≥
269:transpose
237:factorial
163:→
131:operation
1509:23 April
1483:24 April
1457:24 April
1378:24 April
1267:See also
675:Example
666:Operator
650:addition
458:Negation
374:if
343:if
288:Examples
180:, where
143:function
1260:$ array
1256:Array:
1145:In the
1045:In the
1009:sizeof
939:Address
892:In the
263:), and
250:
210:
190:
178:
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135:operand
83:scholar
1247:Cast:
1237:Cast:
1213:Invoke
1005:Sizeof
669:Symbol
628:, and
584:, the
568:, the
404:where
267:(e.g.
235:(e.g.
223:(e.g.
129:is an
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1288:Arity
1230:&
1217:scope
943:&
184:is a
90:JSTOR
76:books
1511:2024
1485:2024
1459:2024
1380:2024
1131:$ {#
1051:Bash
1022:Cast
382:<
280:, a
257:sin(
125:, a
62:news
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1232:$ x
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1163:$ x
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1106:$ x
1097:$ x
1087:$ x
1081:$ x
1071:$ x
1065:$ x
798:In
636:tan
616:cos
596:sin
580:In
255:or
248:sin
231:),
186:set
121:In
45:by
1546::
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1068:,
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1024::
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924:--
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702:−-
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241:n
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66:·
39:.
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