Similar to 有効数字

Rounding

Ones' complement

Two's complement

Densely packed decimal

Measurement

Detection limit

Scientific notation

Parts-per notation

0.999...

Zero to the power of zero

Signed zero

Excess-3

Variable-length quantity

Gray code

Fixed-point arithmetic

Computer number format

Hexadecimal

Precision (computer science)

Septenary

Bi-quinary coded decimal

Binary-coded decimal

Binary number