Similar to 二五進法

Ones' complement

Two's complement

Densely packed decimal

Gray code

Binary-coded decimal

Excess-3

Variable-length quantity

Precision (computer science)

Signed number representations

0.999...

Zero to the power of zero

1 + 1 + 1 + 1 + ⋯

1/2 + 1/4 + 1/8 + 1/16 + ⋯

1/2 − 1/4 + 1/8 − 1/16 + ⋯

1/4 + 1/16 + 1/64 + 1/256 + ⋯

Hundredth

Signed zero

Golden ratio base

Factorial number system

Non-standard positional numeral systems

Fixed-point arithmetic

Computer number format

Hexadecimal

Septenary

Binary number