# What is decimal?

• (adj): Numbered or proceeding by tens; based on ten.
Example: "The decimal system"
Synonyms: denary

## Decimal

The decimal numeral system (also called base ten or occasionally denary) has ten as its base. It is the numerical base most widely used by modern civilizations.

### Some articles on decimal:

Decimal - History - Other Bases
... Some cultures do, or did, use other bases of numbers ... Pre-Columbian Mesoamerican cultures such as the Maya used a base-20 system (using all twenty fingers and toes) ...
Timeline Of Calculus And Mathematical Analysis - 1000 To 1500
... a proof for the Pythagorean Theorem, computes π to 5 decimal places, and calculates the time taken for the earth to orbit the sun to 9 decimal places 14th century ...
Trunc
... limiting the number of digits right of the decimal point, by discarding the least significant ones. 32.438191288 −6.3444444444444 To truncate these numbers to 4 decimal digits, we only consider the 4 digits to the right of the decimal point ...
List Of Decimal-fraction Equivalents: 0 To 1 By 64ths
... This is a list of decimal-fraction equivalents, often called simply decimal equivalents ... The numbers after the thousandths or ten-thousandths decimal place are usually truncated or rounded for practical purposes 0.000 1.015 1..031 3..046 64. 1 ...
... Academic grading in Mexico employs a decimal system, from 0 to 10, to measure the students' scores ... (deficiente/reprobado) Since decimal fractions are common, a scale from 0 to 100 is often used to remove the decimal point ... but there must exist conversion rules to convert those grades to their equivalent in the decimal system ...

### More definitions of "decimal":

• (noun): A proper fraction whose denominator is a power of 10.
Synonyms: decimal fraction
• (noun): A number in the decimal system.
• (adj): Divided by tens or hundreds.
Example: "A decimal fraction"; "decimal coinage"

### Famous quotes containing the word decimal:

It makes little sense to spend a month teaching decimal fractions to fourth-grade pupils when they can be taught in a week, and better understood and retained, by sixth-grade students. Child-centeredness does not mean lack of rigor or standards; it does mean finding the best match between curricula and children’s developing interests and abilities.
David Elkind (20th century)