diff --git a/Useful Modules/Util/Math.lua b/Useful Modules/Util/Math.lua
index 35855eb..d5571a2 100644
--- a/Useful Modules/Util/Math.lua	
+++ b/Useful Modules/Util/Math.lua	
@@ -18,13 +18,13 @@ function Math.InverseLerp(a: number, b: number, value: number): number
 end
 
 --- @todo
-function Math.IsInfNaN(...: number): boolean
+function Math.IsReal(...: number): boolean
 	for _, num in {...} do
-		if num == math.huge or num == -math.huge or num ~= num then
-			return true
+		if num * 0 ~= 0 then
+			return false
 		end
 	end
-	return false
+	return true
 end
 
 --- @todo
diff --git a/Useful Modules/Util/UniqueIds.lua b/Useful Modules/Util/UniqueIds.lua
index e1752bb..f728465 100644
--- a/Useful Modules/Util/UniqueIds.lua	
+++ b/Useful Modules/Util/UniqueIds.lua	
@@ -49,7 +49,7 @@ function UniqueIds.new(bytes: number, b93: boolean?, idsInUse: {string}?): Uniqu
 	end
 
 	return {
-		GetNewId = function(_self: UniqueIds): string
+		GetNewId = function(self: UniqueIds): string
 			if numUnusedIds > 0 then
 				local id = table.remove(unusedIds, numUnusedIds) :: string
 				numUnusedIds -= 1
@@ -71,12 +71,21 @@ function UniqueIds.new(bytes: number, b93: boolean?, idsInUse: {string}?): Uniqu
 			return false
 		end;
 
-		GetIdIndex = function(_self: UniqueIds, id: string): number
+		GetIdIndex = function(self: UniqueIds, id: string): number
 			return if b93 then Base93.B93ToInt(id) else string.unpack("I" .. bytes, id)
-		end
+		end;
 	}
 end
 
+--- Returns the index of a unique ID string.
+--- @param bytes -- The length of the string.
+--- @param id -- The unique ID string.
+--- @param b93 -- Whether or not to use the Base93 format.
+--- @return number -- The index of the unique ID string.
+function UniqueIds:GetIdIndex(bytes: number, id: string, b93: boolean?): number
+	return if b93 then Base93.B93ToInt(id) else string.unpack("I" .. bytes, id)
+end
+
 --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 
 return UniqueIds
diff --git a/selene.toml b/selene.toml
index 560cd81..f14b2b4 100644
--- a/selene.toml
+++ b/selene.toml
@@ -31,5 +31,4 @@ unused_variable = "warn"
 
 [config]
 shadowing = { ignore_pattern = "^self$|^_" }
-unscoped_variables = { ignore_pattern = "^self$" }
-unused_variable = { allow_unused_self = true }
\ No newline at end of file
+unused_variable = { ignore_pattern = "^self$|^_", allow_unused_self = true }
\ No newline at end of file