Tethrisuperspatialcross

The tethrisuperspatialcross is equal to E100#^^##>#^#^#100 using Extended Cascading-E Notation. The term was coined by Sbiis Saibian.
== Approximations in other notations ==
Notation 	Approximation
BEAF 	X^^^(X^X^X) & 100
Bird's array notation 	???
Fast-growing hierarchy	\(f_{\zeta_{\omega^{\omega^{\omega} } } }(100)\)
Hardy hierarchy 	\(H_{\zeta_{\omega^{\omega^{\omega}} } }(100)\)
Slow-growing hierarchy	???
== Sources ==
Category:Numbers
Category:Numbers by Sbiis Saibian
Category:Extended Cascading-E numbers
Category:Binary phi level