decimal fraction
A fraction expressed in decimal notation, such as 0.5 or 3.14. Used in computing and mathematics.
Decimal fractions are expressed using a decimal point.
Computers internally convert decimal fractions to binary numbers.
小数 is a general term for decimal numbers, while 十進小数 specifically refers to decimal fractions (base-10).
分数 is a fraction expressed as a ratio (e.g., 1/2), whereas 十進小数 is a decimal fraction (e.g., 0.5).
decimal point
Standard kanji spelling.
Variant using Arabic numeral 10; common in technical contexts.
Compound of 十進 (decimal, base-10) and 小数 (decimal number).