The shape of the plus sign as a cross + is due to the fact that originally in the Latin manuscripts the Latin conjunction “et” was used, that is, the conjunction “and”, to express the addition, in the same way that we continue to say today on day “2 and 2 are 4”. The + sign is an abbreviation of “et”, in fact, some scholars have listed more than a hundred different abbreviations of the word “et” in Latin texts, and one of them would be the cross + (let’s think about the writing of the t). However, this is not the first appearance of the + and – signs, as they can be found in some German manuscripts, written in Latin and German, from the last twenty years of the 15th century. In the Dresden Library there is a volume of manuscripts (MS C80) in which the signs + and – appear, perhaps for the first time. Manuscripts to which both Widman and Grammateus had access. The arithmetic book of the Dutch mathematician Van der Hoeke (16th century) is often cited as the first printed publication in which the + and – signs appear as algebraic operations, since its publication is usually dated to 1514, however, this is 1937 (the 1514 date is an error related to the 1944 edition). As Florian Cajori mentions, the first printed publication with the algebraic meaning of these signs is the algebra and arithmetic book Any new Kunstlich Beuch (1518), by the German mathematician Henricus Grammateus (approx. However, Widman does not use the + and – signs as symbols of the arithmetic operations addition and subtraction, but, within the commercial practices analyzed in the text, to express excess and defect of the merchandise, for example, in the weight of the barrels. In the following image we see “4 + 5”.
The signs + (addition) and – (subtraction). The first time the + (plus) and – (minus) signs appear in a printed book, known today, is in the work Mercantile Arithmetic , or Behende und hubsche Rechenung au allen Kau manscha. Mathematical signs, like any other elements of our culture, have their own history, which is in fact ours, that of humanity. In this article from the Scientific Culture Notebook we are going to focus on the origin of some basic mathematical signs, which are part of our normal language, the signs for the four elementary arithmetic operations, addition, subtraction, multiplication and division, and the equal sign. in physics +sign indicates the increment and –sign indicates the decrements.įor more Symbols visit – here History of plus or minus sign Plus or minus sign are used in mathematically operation. Plus or minus symbol in Word, Excel, PowerPoint and Outlook Please, make sure the Num Lock is on before entering the number combo.Now release the Alt key your symbol appears automatically.Press Alt along with type 2213, for plus or minus symbol on your number keyboard.You can in addition use your keyboard to put a plus or minus symbol.Right-click after the data you have to and click on ‘Paste’.Go to taskbar explore and type ‘character map’.
How to type a plus or minus symbol in excel The numbers are converted to a character. Anywhere in the document, enter “ 2213 ” for plus or minus symbol and then select characters and press Alt and X hotkeys. To insert plus or minus symbol, in Microsoft word use 00b1 = Alt +x ,for ±.
±=Option + Shift + =, for plus or minus symbolĪpple Mac Os or Mac book owners can use the Option + Shift + =, for plus or minus symbol Keyboard shortcuts. When you edit a page, choose the emoji item in the toolbar, then click an emoji to add it to your page. Alternatively, you can also add emojis to your page using keyboard shortcuts.±=Alt+0177, for plus or minus symbol Plus or minus Symbol on Mac Select a category from the options on the right.ĭouble click on a symbol to add it to your page. Hold CTRL+CMD and press the space bar to bring up the Character Viewer. To insert special characters on an Apple computer while editing a page in Confluence:
You can also copy and paste the symbol from Windows Character Map application. You must use the numpad to enter this value. Hold ALT and enter the four-digit Unicode value for the character you'd like to enter. Select NUM LOCK on your keyboard if it is not already enabled. To insert special characters on a Windows computer while editing a page in Confluence: While we cannot provide comprehensive instructions for every operating system and device in these documents, the basic instructions for inserting symbols and special characters on Windows and Apple computers are given below. Symbols and special characters were removed from the new editor, so use your operating system's symbols as these are more comprehensive.
This section provides the details for inserting emojis using the new editor.