decimal system
Counting by tens
A decimal system is any system of counting or measurement based on the number ten.
The term most often refers to the place-value notation where each position represents a power of ten: ones, tens, hundreds, and so on.
Metric measurement is a decimal system—units scale by factors of ten.
Most countries use the decimal system for currency.
Single-place numerals
- numerationAssigning numerical values
- denaryBased on ten
- zeroNumerical absence of quantity
- oneLowest positive integer
Mathematics of basic operations
- fractionPart divided by whole
- notationSystem of written symbols
- additionJoining quantities mathematically
- subtractionRemoving quantities mathematically
multiplication · division · exponentiation · logarithm · integer · algebra · percentage · ratio
Consisting of two parts
- hexadecimalSixteen-digit numeral system
- octalRadix-eight numeral system
- floating-pointDecimal number representation
- encodingConverting data to format
ASCII · bit · byte · integer · conversion · BCD · machine-code · digital
Degree of correctness
- roundingAdjusting to simpler values
- truncationCutting something shorter
- approximationNear but inexact value
- exactnessCorrectness in every detail
resolution · calibration · tolerance · error · specificity · refinement · notation
Device that measures usage
- literVolume measurement unit
- gramMetric mass unit
- kilometerThousand meters
- centimeterMetric length unit
millimeter · kilogram · milligram · hectare · conversion · prefixes · kilo · milli
digits
Single-place numerals
- numerationAssigning numerical values
- denaryBased on ten
- zeroNumerical absence of quantity
one · two · three · four · five · six · seven · eight · nine · counting
arithmetic
Mathematics of basic operations
- fractionPart divided by whole
- notationSystem of written symbols
- additionJoining quantities mathematically
subtraction · multiplication · division · exponentiation · logarithm · integer · algebra · percentage · ratio · proportion
binary
Consisting of two parts
- hexadecimalSixteen-digit numeral system
- octalRadix-eight numeral system
- floating-pointDecimal number representation
encoding · ASCII · bit · byte · integer · conversion · BCD · machine-code · digital · programming
accuracy
Degree of correctness
- roundingAdjusting to simpler values
- truncationCutting something shorter
- approximationNear but inexact value
exactness · resolution · calibration · tolerance · error · specificity · refinement · notation
meter
Device that measures usage
centimeter · millimeter · kilogram · milligram · hectare · conversion · prefixes · kilo · milli · centi
dollar
Basic U.S. currency unit
rupee · peso · yen · coinage · subdivision · denomination · exchange · pence · centavo · paisa
- numbersone, two, four, three, 0
- systemsecosystems, ecosystem, biological systems, transportation network, communication systems
- ancient mathalgebra, arithmetic, geometry, fractions, addition
- notationsmusical notation, mathematical notation, scientific notation, dance notation, Roman numerals
- Indian Mathematicszero, Ramanujan
- Library Classificationcall number, call numbers, subclass, subdivisions, notation
system, decade, decimal, decimate, systematize, decimals, duodecimal, decimalization, decimalizing