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