val exponentation = addVect(
Dyad,
"*",
"Exponentation | Remove Nth Letter | Trim",
List("exp", "**", "pow", "exponent", "remove-letter", "str-trim"),
"a: num, b: num -> a ^ b",
"a: str, b: num -> a with the bth letter removed",
"a: num, b: str -> b with the ath letter removed",
"a: str, b: str -> trim b from both sides of a"
)