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
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