A halfplex is equal to \(10^{1/2}=\sqrt{10}\) or approximately 3.16227766017. This number was once thought to be equal to pi.[citation needed] It is irrational, but it is still algebraic since it is the root of x^2-10=0.


Names in -illion systems

According to Landon Curt Noll's The English name of a number, halfplex is also known as:

three point one six two two seven seven six six zero one six eight three seven nine five nine six eight...

Approximations

Notation Lower bound Upper bound
Scientific notation 3.16227766016*10^0 3.16227766017*10^0
Arrow notation 3 4
BEAF {3} {4}

Sources

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