{"id":21671,"date":"2024-03-15T22:26:27","date_gmt":"2024-03-15T22:26:27","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-can-linux-achieve-addition-subtraction-multiplication-and-division-of-two-numbers\/"},"modified":"2024-03-21T21:02:41","modified_gmt":"2024-03-21T21:02:41","slug":"how-can-linux-achieve-addition-subtraction-multiplication-and-division-of-two-numbers","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-can-linux-achieve-addition-subtraction-multiplication-and-division-of-two-numbers\/","title":{"rendered":"How can Linux achieve addition, subtraction, multiplication, and division of two numbers?"},"content":{"rendered":"<p>In Linux, you can use a shell script to perform addition, subtraction, multiplication, and division of two numbers. Below is an example script:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#!\/bin\/bash<\/span>\r\n\r\n<span class=\"hljs-comment\"># \u8f93\u5165\u4e24\u4e2a\u6570<\/span>\r\n<span class=\"hljs-built_in\">read<\/span> -p <span class=\"hljs-string\">\"\u8bf7\u8f93\u5165\u7b2c\u4e00\u4e2a\u6570\uff1a\"<\/span> num1\r\n<span class=\"hljs-built_in\">read<\/span> -p <span class=\"hljs-string\">\"\u8bf7\u8f93\u5165\u7b2c\u4e8c\u4e2a\u6570\uff1a\"<\/span> num2\r\n\r\n<span class=\"hljs-comment\"># \u52a0\u6cd5\u8fd0\u7b97<\/span>\r\n<span class=\"hljs-built_in\">sum<\/span>=$(<span class=\"hljs-built_in\">expr<\/span> <span class=\"hljs-variable\">$num1<\/span> + <span class=\"hljs-variable\">$num2<\/span>)\r\n<span class=\"hljs-built_in\">echo<\/span> <span class=\"hljs-string\">\"\u52a0\u6cd5\u7ed3\u679c\u4e3a\uff1a<span class=\"hljs-variable\">$sum<\/span>\"<\/span>\r\n\r\n<span class=\"hljs-comment\"># \u51cf\u6cd5\u8fd0\u7b97<\/span>\r\ndiff=$(<span class=\"hljs-built_in\">expr<\/span> <span class=\"hljs-variable\">$num1<\/span> - <span class=\"hljs-variable\">$num2<\/span>)\r\n<span class=\"hljs-built_in\">echo<\/span> <span class=\"hljs-string\">\"\u51cf\u6cd5\u7ed3\u679c\u4e3a\uff1a<span class=\"hljs-variable\">$diff<\/span>\"<\/span>\r\n\r\n<span class=\"hljs-comment\"># \u4e58\u6cd5\u8fd0\u7b97<\/span>\r\nproduct=$(<span class=\"hljs-built_in\">expr<\/span> <span class=\"hljs-variable\">$num1<\/span> \\* <span class=\"hljs-variable\">$num2<\/span>)\r\n<span class=\"hljs-built_in\">echo<\/span> <span class=\"hljs-string\">\"\u4e58\u6cd5\u7ed3\u679c\u4e3a\uff1a<span class=\"hljs-variable\">$product<\/span>\"<\/span>\r\n\r\n<span class=\"hljs-comment\"># \u9664\u6cd5\u8fd0\u7b97<\/span>\r\nquotient=$(<span class=\"hljs-built_in\">echo<\/span> <span class=\"hljs-string\">\"scale=2; <span class=\"hljs-variable\">$num1<\/span> \/ <span class=\"hljs-variable\">$num2<\/span>\"<\/span> | bc)\r\n<span class=\"hljs-built_in\">echo<\/span> <span class=\"hljs-string\">\"\u9664\u6cd5\u7ed3\u679c\u4e3a\uff1a<span class=\"hljs-variable\">$quotient<\/span>\"<\/span>\r\n<\/code><\/pre>\n<p>Save the code above as a script file (for example, calculator.sh), then run the script in the terminal. The script will prompt for input of two numbers and output their addition, subtraction, multiplication, and division results.<\/p>\n<p>Note: In multiplication operations, use the symbol * to represent multiplication to avoid conflicts with wildcards. For division operations, use the bc command for floating-point arithmetic, and set scale=2 to retain two decimal places.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Linux, you can use a shell script to perform addition, subtraction, multiplication, and division of two numbers. Below is an example script: #!\/bin\/bash # \u8f93\u5165\u4e24\u4e2a\u6570 read -p &#8220;\u8bf7\u8f93\u5165\u7b2c\u4e00\u4e2a\u6570\uff1a&#8221; num1 read -p &#8220;\u8bf7\u8f93\u5165\u7b2c\u4e8c\u4e2a\u6570\uff1a&#8221; num2 # \u52a0\u6cd5\u8fd0\u7b97 sum=$(expr $num1 + $num2) echo &#8220;\u52a0\u6cd5\u7ed3\u679c\u4e3a\uff1a$sum&#8221; # \u51cf\u6cd5\u8fd0\u7b97 diff=$(expr $num1 &#8211; $num2) echo &#8220;\u51cf\u6cd5\u7ed3\u679c\u4e3a\uff1a$diff&#8221; # \u4e58\u6cd5\u8fd0\u7b97 product=$(expr $num1 \\* [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-21671","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How can Linux achieve addition, subtraction, multiplication, and division of two numbers? - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/how-can-linux-achieve-addition-subtraction-multiplication-and-division-of-two-numbers\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How can Linux achieve addition, subtraction, multiplication, and division of two numbers?\" \/>\n<meta property=\"og:description\" content=\"In Linux, you can use a shell script to perform addition, subtraction, multiplication, and division of two numbers. Below is an example script: #!\/bin\/bash # \u8f93\u5165\u4e24\u4e2a\u6570 read -p &quot;\u8bf7\u8f93\u5165\u7b2c\u4e00\u4e2a\u6570\uff1a&quot; num1 read -p &quot;\u8bf7\u8f93\u5165\u7b2c\u4e8c\u4e2a\u6570\uff1a&quot; num2 # \u52a0\u6cd5\u8fd0\u7b97 sum=$(expr $num1 + $num2) echo &quot;\u52a0\u6cd5\u7ed3\u679c\u4e3a\uff1a$sum&quot; # \u51cf\u6cd5\u8fd0\u7b97 diff=$(expr $num1 - $num2) echo &quot;\u51cf\u6cd5\u7ed3\u679c\u4e3a\uff1a$diff&quot; # \u4e58\u6cd5\u8fd0\u7b97 product=$(expr $num1 * [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-can-linux-achieve-addition-subtraction-multiplication-and-division-of-two-numbers\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-15T22:26:27+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-21T21:02:41+00:00\" \/>\n<meta name=\"author\" content=\"Isabella Edwards\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Isabella Edwards\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-linux-achieve-addition-subtraction-multiplication-and-division-of-two-numbers\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-linux-achieve-addition-subtraction-multiplication-and-division-of-two-numbers\/\"},\"author\":{\"name\":\"Isabella Edwards\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/5579144e23c225c8188167f3e3f888dd\"},\"headline\":\"How can Linux achieve addition, subtraction, multiplication, and division of two numbers?\",\"datePublished\":\"2024-03-15T22:26:27+00:00\",\"dateModified\":\"2024-03-21T21:02:41+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-linux-achieve-addition-subtraction-multiplication-and-division-of-two-numbers\/\"},\"wordCount\":105,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-linux-achieve-addition-subtraction-multiplication-and-division-of-two-numbers\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-can-linux-achieve-addition-subtraction-multiplication-and-division-of-two-numbers\/\",\"name\":\"How can Linux achieve addition, subtraction, multiplication, and division of two numbers? 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- Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/blog\/how-can-linux-achieve-addition-subtraction-multiplication-and-division-of-two-numbers\/","og_locale":"en_US","og_type":"article","og_title":"How can Linux achieve addition, subtraction, multiplication, and division of two numbers?","og_description":"In Linux, you can use a shell script to perform addition, subtraction, multiplication, and division of two numbers. Below is an example script: #!\/bin\/bash # \u8f93\u5165\u4e24\u4e2a\u6570 read -p \"\u8bf7\u8f93\u5165\u7b2c\u4e00\u4e2a\u6570\uff1a\" num1 read -p \"\u8bf7\u8f93\u5165\u7b2c\u4e8c\u4e2a\u6570\uff1a\" num2 # \u52a0\u6cd5\u8fd0\u7b97 sum=$(expr $num1 + $num2) echo \"\u52a0\u6cd5\u7ed3\u679c\u4e3a\uff1a$sum\" # \u51cf\u6cd5\u8fd0\u7b97 diff=$(expr $num1 - $num2) echo \"\u51cf\u6cd5\u7ed3\u679c\u4e3a\uff1a$diff\" # \u4e58\u6cd5\u8fd0\u7b97 product=$(expr $num1 * [&hellip;]","og_url":"https:\/\/www.silicloud.com\/blog\/how-can-linux-achieve-addition-subtraction-multiplication-and-division-of-two-numbers\/","og_site_name":"Blog - Silicon Cloud","article_publisher":"https:\/\/www.facebook.com\/SiliCloudGlobal\/","article_published_time":"2024-03-15T22:26:27+00:00","article_modified_time":"2024-03-21T21:02:41+00:00","author":"Isabella Edwards","twitter_card":"summary_large_image","twitter_creator":"@SiliCloudGlobal","twitter_site":"@SiliCloudGlobal","twitter_misc":{"Written by":"Isabella Edwards","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.silicloud.com\/blog\/how-can-linux-achieve-addition-subtraction-multiplication-and-division-of-two-numbers\/#article","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/how-can-linux-achieve-addition-subtraction-multiplication-and-division-of-two-numbers\/"},"author":{"name":"Isabella Edwards","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/5579144e23c225c8188167f3e3f888dd"},"headline":"How can Linux achieve addition, subtraction, multiplication, and division of two numbers?","datePublished":"2024-03-15T22:26:27+00:00","dateModified":"2024-03-21T21:02:41+00:00","mainEntityOfPage":{"@id":"https:\/\/www.silicloud.com\/blog\/how-can-linux-achieve-addition-subtraction-multiplication-and-division-of-two-numbers\/"},"wordCount":105,"commentCount":0,"publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/blog\/how-can-linux-achieve-addition-subtraction-multiplication-and-division-of-two-numbers\/","url":"https:\/\/www.silicloud.com\/blog\/how-can-linux-achieve-addition-subtraction-multiplication-and-division-of-two-numbers\/","name":"How can Linux achieve addition, subtraction, multiplication, and division of two numbers? 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