# Functions
EvalApplyFn evaluates a built-in function application.
EvalAtom returns an atom with any apply-expressions evaluated.
EvalBaseTermPair evaluates a pair of base terms.
EvalExpr evaluates any apply-expression in b and applies subst.
EvalExprs evaluates any apply-expressions in args and applies subst.
EvalExprsBase evaluates any apply-expressions in args and applies subst.
EvalNumericApplyFn evaluates a numeric built-in function application.
EvalReduceFn evaluates a combiner (reduce) function.
# Variables
ErrDivisionByZero indicates a division by zero runtime error.