. "The terrible tethracubor is equal to E100(#^^###)^^#100 using Extended Cascading-E Notation. The term was coined by Sbiis Saibian."@en . . "The terrible tethracubor is equal to E100(#^^###)^^#100 using Extended Cascading-E Notation. The term was coined by Sbiis Saibian."@en . . "Terrible tethracubor"@en . .