infinity
lemniscate
lazy eight
infinity symbol
power series
digit
numeral
signum
extended real number system
epsilon number
kiloohm
⠐⠦
nude number
sdown squark
integerness
unit function
conjugate
digitally
rational
radix
surd
number
automorphic number
expanded form
floating-point number
Arabic numeral
Hindu numeral
alternating series
Hindu-Arabic numeral
Harshad number
weighted alphabet
Abel sum
double factorial
exponent
additive inverse
set
numeration system
number representation system
Lagrange's interpolation formula
number system
Copeland-Erdős constant
multiplication sign
system of numeration
times sign
floating-point operation
uniformly continuous
flop
quintinvariant
sign-value notation
plus sign