The history of percentages

In mathematics, a percentage (Latin percent “per hundred”) is a number or ratio expressed as a fraction of 100. It is often represented using a percentage sign, “%”, or an abbreviation “pct.”, “pct.”.; The abbreviation “PC” is also sometimes used. One percent is a dimensionless number (pure number).

In ancient Rome, long before the decimal system existed, the calculation was done multiple times on fractions that were multiples.

One out of 100

. For example, Augustus imposed a tax

One out of 100

Items sold at auction are known as Centima Rerum vanillin. The calculations with these degrees were equal to the percentage of computation. As the value of money increased in the Middle Ages, calculations with a denominator of 100 became more standard.

It was common to include such calculations in arithmetic texts from the late 15th century to the early 16th century. Gone. Many of these texts applied these methods to profit and loss, interest rates, and the rule of three. Until the 17th century, it was the standard for listing interest rates in hundredths.

In the early 1900s, there was a dotted abbreviation for “percent” instead of “percent”. “Percent” size. It is still used in the more formal language found in some documents, such as commercial loan agreements (specifically for those subjects or inspired by customary law), as well as in Hainard’s tapes of British parliamentary proceedings.

The term is attributed to the Latin percentage. The concept of considering values ​​as parts of a hundred is Greek in origin. The percentage symbol (%) evolved from a symbol that denotes the Italian percentage. In some other languages, the percent or present form is used. Some languages ​​use words derived from percentages and expressions in that language which means, p. Romanian percent and sutão (so 10% can read or sometimes [every] can write ten out of one, like English out of ten). Other brief descriptions are rare, but they are occasionally seen.

Grammar and style guides often differ in how percentages are written. For example, it is generally suggested that the word percent (or percent) be spelled out in all texts, such as “1 percent” and not “1%”. Other guides prefer that the term be written in humanistic texts, but the symbol is used in scientific texts.

Percent sign

The word “percent” is derived from the Latin percent, which means “percent”. The “percentage” sign developed by the gradual contraction of the Italian word cento, which means “percent”. “Per” was often abbreviated as “P”.

And finally, it completely disappeared. The “cento” was contracted by two circles separated by a horizontal line, from where the modern symbol “%” derives.

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