パーセント記号 (%)

The "Percent Sign (%)" Symbol home ▸ sitemap ▸ symbols ▸ Percent Sign The Mathematical Symbol "Percent Sign (%)" The "Percent Sign" Symbol (%): A Common Metric for Ratios In everyday language and technical discourse alike, the % symbol – widely known as the "Percent Sign" – is omnipresent. This versatile symbol represents a ratio in terms of parts per hundred, making it an indispensable tool for expressing proportions in an intuitive manner. This lesson covers the common % symbol and its wide-ranging applications. Unpacking the % Symbol The term 'percent' stems from the Latin 'per centum', translating to 'by the hundred'. When we use the % sign, we're effectively communicating a ratio based on a denominator of 100. Example 1: Financial Transactions If a store offers a discount of 20% on a product, this means that the price is reduced by 20 parts of the original 100 parts of its price. So, a product priced at $100 would be available for $80 after applying the discount. Example 2: Data Analysis When analyzing survey results, if 45% of respondents prefer option A, this indicates that 45 out of every 100 participants chose that option. Applications of the % Symbol The % symbol's practicality ensures its presence across numerous fields: Finance: For interest rates, investment returns, and discounts. Statistics: To express data as a fraction of a whole. Science: In fields like chemistry or biology, to indicate concentration or growth rates. Everyday Life: When discussing anything from tax rates to milk fat content. Its adaptability and intuitiveness make it one of the most universally recognized and utilized symbols. In summary, the % symbol is foundational to our understanding and communication of proportions and ratios. It serves as a bridge between mathematical concepts and real-world applications, reinforcing its status as an emblem of both simplicity and utility. Are You Good at Mathematical Symbols? Do you know, or can you guess, the technical symbols? Well, let's see! Show Instructions This test has questions. A correct answer is worth 5 points. You can get up to 5 bonus points for a speedy answer. Some questions demand more than one answer. You must get every part right. Beware! Wrong answers score 0 points. 🏆 If you beat one of the top 3 scores, you will be invited to apply for the Hall of Fame. Scoring System Guru ( +) Hero ( +) Captain ( +) Sergeant ( +) Recruit ( +) Hide Instructions Codes for the % Symbol The Symbol % copy Alt Code Alt 37 copy HTML Code &#37; copy HTML Entity &amppercnt copy CSS Code \0025 copy Hex Code &#x25; copy Unicode U+0025 copy How To Insert the % Symbol (Method 1) Copy and paste the symbol. The easiest way to get the % symbol is to copy and paste it into your document. Bear in mind that this is a UTF-8 encoded character. It must be encoded as UTF-8 at all stages (copying, replacing, editing, pasting), otherwise it will render as random characters or the dreaded �. (Method 2) Use the "Alt Code." If you have a keyboard with a numeric pad, you can use this method. Simply hold down the Alt key and type 37. When you lift the Alt key, the symbol appears. ("Num Lock" must be on.) (Method 3) Use the HTML Decimal Code (for webpages). HTML Text Output <b>My symbol: &#37;</b> My symbol: % (Method 4) Use the HTML Entity Code (for webpages). HTML Text Output <b>My symbol: &percnt;</b> My symbol: % (Method 5) Use the CSS Code (for webpages). CSS and HTML Text Output <style> span:after { content: "\0025";} </style> <span>My symbol:</span> My symbol: % (Method 6) Use the HTML Hex Code (for webpages and HTML canvas). HTML Text Output <b>My symbol: &#x0025;</b> My symbol: % On the assumption that you already have your canvas and the context set up, use the Hex code in the format 0x0025 to place the % symbol on your canvas. For example: JavaScript Text const x = "0x"+"E9" ctx.fillText(String.fromCodePoint(x), 5, 5); Output % (Method 7) Use the Unicode (for various, e.g. Microsoft Office, JavaScript, Perl). The Unicode for % is U+0025 . The important part is the hexadecimal number after the U+ , which is used in various formats. For example, in Microsoft Office applications (e.g. Word, PowerPoint), do the following: Type Output 0025 [Hold down Alt] [Press x] % (The 0025 turns into %. Note that you can omit any leading zeros.) In JavaScript, the syntax is \uXXXX. So, our example would be \u0025. (Note that the format is 4 hexadecimal characters.) JavaScript Text Output let str = "\u0025" document.write("My symbol: " + str) My symbol: % You might also like... A-Z glossary of mathematical symbols A-Z glossary of mathematical terms Help Us Improve Mathematics Monster Do you disagree with something on this page? Did you spot a typo? Please tell us using this form . Find Us Quicker! When using a search engine (e.g., Google, Bing), you will find Mathematics Monster quicker if you add #mm to your search term. Learn more... Share This Page If you like Mathematics Monster (or this page in particular), please link to it or share it with others. If you do, please tell us . It helps us a lot! share copy Create a QR Code Use our handy widget to create a QR code for this page...or any page. Create a QR code More about Mathematical Symbols Mathematics is a universal language that is used to describe and understand the intricacies of the universe. At the heart of this language are symbols, concise representations that convey specific meanings and ideas. Just as letters come together to form words in spoken languages, mathematical symbols combine to form expressions and equations, encapsulating intricate ideas in a compact form. The history of these symbols is as varied as their meanings; some have been in use for centuries while others have been introduced more recently to describe new discoveries and concepts. Whether you are a student, educator, researcher, or simply curious, this list of mathematical symbols will serve as a guide, shedding light on their meanings, origins, and applications. From the simple plus and minus signs to the more esoteric and complex, each symbol has its unique story and significance. More Symbols Full List of Mathematical Symbols next up: Per Ten Thousand Sign (‱)