{"id":5726,"date":"2022-02-21T23:00:00","date_gmt":"2022-02-21T17:30:00","guid":{"rendered":"https:\/\/www.codingbroz.com\/?p=5726"},"modified":"2022-02-21T12:49:35","modified_gmt":"2022-02-21T07:19:35","slug":"cpp-program-to-calculate-square-of-a-number","status":"publish","type":"post","link":"https:\/\/www.codingbroz.com\/cpp-program-to-calculate-square-of-a-number\/","title":{"rendered":"C++ Program to Calculate Square of a Number"},"content":{"rendered":"\n<p>In this post, we will learn <strong>how to calculate the square of a number using C++<\/strong> Programming language.<\/p>\n\n\n\n<p>The<strong> square of a number<\/strong> is the product of the number with the number itself. For example: the square of <strong>6<\/strong> is 6 x 6 = <strong>36<\/strong>.<\/p>\n\n\n\n<p>We will calculate the square of a number using the following approaches:<\/p>\n\n\n\n<ol><li>Using Standard Method<\/li><li>Using Pow() Function<\/li><li>Using Function<\/li><\/ol>\n\n\n\n<p>So, without further ado, let\u2019s begin this post.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<label for=\"ez-toc-cssicon-toggle-item-6630871685f13\" class=\"ez-toc-cssicon-toggle-label\"><label class=\"ez-toc-title\">Table of Contents<\/label>\n<span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #0090ff;color:#0090ff\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #0090ff;color:#0090ff\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6630871685f13\" checked \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.codingbroz.com\/cpp-program-to-calculate-square-of-a-number\/#C_Program_to_Calculate_Square_of_a_Number\" title=\"C++ Program to Calculate Square of a Number\">C++ Program to Calculate Square of a Number<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.codingbroz.com\/cpp-program-to-calculate-square-of-a-number\/#How_Does_This_Program_Work\" title=\"How Does This Program Work ?\">How Does This Program Work ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.codingbroz.com\/cpp-program-to-calculate-square-of-a-number\/#C_Program_to_Calculate_Square_of_a_Number_Using_Pow_Function\" title=\"C++ Program to Calculate Square of a Number Using Pow() Function\">C++ Program to Calculate Square of a Number Using Pow() Function<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.codingbroz.com\/cpp-program-to-calculate-square-of-a-number\/#C_Program_to_Calculate_Square_of_a_Number_Using_Function\" title=\"C++ Program to Calculate Square of a Number Using Function\">C++ Program to Calculate Square of a Number Using Function<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.codingbroz.com\/cpp-program-to-calculate-square-of-a-number\/#Conclusion\" title=\"Conclusion\">Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"c-program-to-calculate-square-of-a-number\"><span class=\"ez-toc-section\" id=\"C_Program_to_Calculate_Square_of_a_Number\"><\/span><strong>C++ Program to Calculate Square of a Number<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"cpp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ C++ Program to Calculate Square of a Number\n#include &lt;iostream>\nusing namespace std;\n\nint main(){\n    int n, square;\n    \n    \/\/ Asking for input\n    cout &lt;&lt; \"Enter a number: \";\n    cin >> n;\n    \n    \/\/ Calculating square\n    square = n * n;\n    \n    \/\/ Displaying output\n    cout &lt;&lt; \"Square of \" &lt;&lt; n &lt;&lt; \" is: \" &lt;&lt; square;\n    \n    return 0;\n} \n<\/pre>\n\n\n\n<p><strong>Output<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Enter a number: 25\r\nSquare of 25 is: 625\r<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"how-does-this-program-work\"><span class=\"ez-toc-section\" id=\"How_Does_This_Program_Work\"><\/span><strong>How Does This Program Work ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"cpp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">    int n, square;\n<\/pre>\n\n\n\n<p>In this program, we have declared<strong> two integer data type<\/strong> variables named <strong>n<\/strong> and <strong>square<\/strong>.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"cpp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">    \/\/ Asking for input\n    cout &lt;&lt; \"Enter a number: \";\n    cin >> n;\n<\/pre>\n\n\n\n<p>The user is asked to enter a number. This number gets stored in the <strong>&#8216;n&#8217;<\/strong> named variable.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"cpp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">    \/\/ Calculating square\n    square = n * n;\n<\/pre>\n\n\n\n<p>Square is calculated by multiplying the same number by itself.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"cpp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">    \/\/ Displaying output\n    cout &lt;&lt; \"Square of \" &lt;&lt; n &lt;&lt; \" is: \" &lt;&lt; square;\n<\/pre>\n\n\n\n<p>The square of the entered number is displayed on the screen using the <strong>cout<\/strong> statement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"c-program-to-calculate-square-of-a-number-using-pow-function\"><span class=\"ez-toc-section\" id=\"C_Program_to_Calculate_Square_of_a_Number_Using_Pow_Function\"><\/span><strong>C++ Program to Calculate Square of a Number Using Pow() Function<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"cpp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ C++ Program to Calculate Square of a Number Using Pow() Function\n#include &lt;iostream>\n#include &lt;cmath>\nusing namespace std;\n\nint main(){\n    int n, square;\n    \n    \/\/ Asking for input\n    cout &lt;&lt; \"Enter a number: \";\n    cin >> n;\n    \n    \/\/ Calculating square\n    square = pow(n, 2);\n    \n    \/\/ Displaying output\n    cout &lt;&lt; \"Square of \" &lt;&lt; n &lt;&lt; \" is: \" &lt;&lt; square;\n    \n    return 0;\n} \n<\/pre>\n\n\n\n<p><strong>Output<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Enter a number: 9\r\nSquare of 9 is: 81\r<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"c-program-to-calculate-square-of-a-number-using-function\"><span class=\"ez-toc-section\" id=\"C_Program_to_Calculate_Square_of_a_Number_Using_Function\"><\/span><strong>C++ Program to Calculate Square of a Number Using Function<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"cpp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ C++ Program to Calculate Square of a Number Using Function\n#include &lt;iostream>\nusing namespace std;\n\nint calSquare(int x){\n    return x * x;\n}\n\nint main(){\n    int n, square;\n    \n    \/\/ Asking for input\n    cout &lt;&lt; \"Enter an integer: \";\n    cin >> n;\n    \n    \/\/ Calling out the custom function\n    square = calSquare(n);\n    \n    \/\/ Displaying output\n    cout &lt;&lt; \"The square of \" &lt;&lt; n &lt;&lt; \" is: \" &lt;&lt; square;\n    return 0;\n}\n<\/pre>\n\n\n\n<p><strong>Output<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Enter an integer: 21\r\nThe square of 21 is: 441\r<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclusion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>I hope after going through this post, you understand <strong>how to calculate the square of a number using C++<\/strong> Programming language.<\/p>\n\n\n\n<p>If you have any doubt regarding the program, then contact us in the comment section. We will be delighted to solve your doubts.<\/p>\n\n\n\n<p><strong>Also Read:<\/strong><\/p>\n\n\n\n<ul><li><strong><a href=\"https:\/\/www.codingbroz.com\/cpp-program-to-find-cube-of-a-number\/\">C++ Program to Find Cube of a Number<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/cpp-program-to-display-factors-of-a-number\/\">C++ Program to Display Factors of a Number<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/cpp-program-to-calculate-the-power-of-a-number\/\">C++ Program to Calculate the Power of a Number<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/cpp-program-to-calculate-the-sum-of-natural-numbers\/\">C++ Program to Calculate the Sum of Natural Numbers<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/cpp-program-to-display-armstrong-number-between-two-intervals\/\">C++ Program to Display Armstrong Number Between Two Intervals<\/a><\/strong><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>In this post, we will learn how to calculate the square of a number using C++ Programming language.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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