{"id":8131,"date":"2015-01-27T11:59:00","date_gmt":"2015-01-27T11:59:00","guid":{"rendered":"https:\/\/blogs.technet.microsoft.com\/heyscriptingguy\/2015\/01\/27\/powertip-use-parentheses-to-override-operator-precedence\/"},"modified":"2019-02-18T10:35:45","modified_gmt":"2019-02-18T17:35:45","slug":"powertip-use-parentheses-to-override-operator-precedence","status":"publish","type":"post","link":"https:\/\/devblogs.microsoft.com\/scripting\/powertip-use-parentheses-to-override-operator-precedence\/","title":{"rendered":"PowerTip: Use Parentheses to Override Operator Precedence"},"content":{"rendered":"<p><b style=\"font-size:12px\">Summary<\/b><span style=\"font-size:12px\">: Use parentheses to override operator precedence in Windows PowerShell.<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/devblogs.microsoft.com\/wp-content\/uploads\/sites\/29\/2019\/02\/q-for-powertip.jpg\" alt=\"Hey, Scripting Guy! Question\" \/>&nbsp;How can I ensure that a math expression that keeps returning incorrect information will work properly in <br \/>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Windows PowerShell?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/p>\n<p style=\"margin-left:30px\"><img decoding=\"async\" src=\"https:\/\/devblogs.microsoft.com\/wp-content\/uploads\/sites\/29\/2019\/02\/a-for-powertip.jpg\" alt=\"Hey, Scripting Guy! Answer\" \/>&nbsp;In Windows PowerShell (as in other languages), math operators have a precedence. Therefore, division <br \/>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;comes before addition. If you want to override this behavior, group with parentheses, for example:<\/p>\n<p style=\"margin-left:120px\">PS C:\\&gt; 2 + 9 \/ 3<\/p>\n<p style=\"margin-left:120px\">(2 + 9)\/3<\/p>\n<p style=\"margin-left:120px\">5<\/p>\n<p style=\"margin-left:120px\">3.66666666666667<\/p>\n<p style=\"margin-left:30px\"><img decoding=\"async\" src=\"https:\/\/devblogs.microsoft.com\/wp-content\/uploads\/sites\/29\/2019\/02\/7610.Dr.ScriptoForTips.jpg\" alt=\" \" \/><\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Summary: Use parentheses to override operator precedence in Windows PowerShell. &nbsp;How can I ensure that a math expression that keeps returning incorrect information will work properly in &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Windows PowerShell?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;In Windows PowerShell (as in other languages), math operators have a precedence. Therefore, division &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;comes before [&hellip;]<\/p>\n","protected":false},"author":596,"featured_media":87096,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[51,398,356,3,45],"class_list":["post-8131","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-scripting","tag-getting-started","tag-numbers","tag-powertip","tag-scripting-guy","tag-windows-powershell"],"acf":[],"blog_post_summary":"<p>Summary: Use parentheses to override operator precedence in Windows PowerShell. &nbsp;How can I ensure that a math expression that keeps returning incorrect information will work properly in &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Windows PowerShell?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;In Windows PowerShell (as in other languages), math operators have a precedence. Therefore, division &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;comes before [&hellip;]<\/p>\n","_links":{"self":[{"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/posts\/8131","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/users\/596"}],"replies":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/comments?post=8131"}],"version-history":[{"count":0,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/posts\/8131\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/media\/87096"}],"wp:attachment":[{"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/media?parent=8131"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/categories?post=8131"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/tags?post=8131"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}