a：
Is negative:
Is decimal:
b：
Is negative:
Is decimal:
a+b
a-b
a*b
a/b
a^b
√a
³√a
ᵇ√a
logb a
a!
Neil J.A. Sloane and Simon Plouffe's superfactorial
Clifford A. Pickover's superfactorial
Daniel Corrêa's superfactorial
hyperfactorial
exponential factorial
a^^b
slogb a
convert to the custom format
output as sci. notation
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