diff --git a/src/ytdl_sub/script/functions/boolean_functions.py b/src/ytdl_sub/script/functions/boolean_functions.py
index 52c23ad7..db038cf6 100644
--- a/src/ytdl_sub/script/functions/boolean_functions.py
+++ b/src/ytdl_sub/script/functions/boolean_functions.py
@@ -5,10 +5,16 @@ from ytdl_sub.script.types.resolvable import Boolean
 class BooleanFunctions:
     @staticmethod
     def bool(value: AnyType) -> Boolean:
+        """
+        Cast any type to a boolean
+        """
         return Boolean(bool(value.value))
 
     @staticmethod
     def equals(left: AnyType, right: AnyType) -> Boolean:
+        """
+        Returns True if left equals right. False otherwise.
+        """
         return Boolean(left.value == right.value)
 
     @staticmethod
diff --git a/src/ytdl_sub/script/functions/numeric_functions.py b/src/ytdl_sub/script/functions/numeric_functions.py
index 39c1622e..82163d15 100644
--- a/src/ytdl_sub/script/functions/numeric_functions.py
+++ b/src/ytdl_sub/script/functions/numeric_functions.py
@@ -1,7 +1,11 @@
+from typing import Union
+
 from ytdl_sub.script.types.resolvable import AnyType
+from ytdl_sub.script.types.resolvable import Boolean
 from ytdl_sub.script.types.resolvable import Float
 from ytdl_sub.script.types.resolvable import Integer
 from ytdl_sub.script.types.resolvable import Numeric
+from ytdl_sub.script.types.resolvable import String
 
 
 def _to_numeric(value: int | float) -> Numeric:
@@ -12,11 +16,11 @@ def _to_numeric(value: int | float) -> Numeric:
 
 class NumericFunctions:
     @staticmethod
-    def float(value: AnyType) -> Float:
+    def float(value: Union[Float, Integer, Boolean, String]) -> Float:
         return Float(value=float(value.value))
 
     @staticmethod
-    def int(value: AnyType) -> Integer:
+    def int(value: Union[Float, Integer, Boolean, String]) -> Integer:
         return Integer(value=int(value.value))
 
     @staticmethod
@@ -36,8 +40,8 @@ class NumericFunctions:
         return _to_numeric(left.value / right.value)
 
     @staticmethod
-    def mod(value: Integer, modulo: Integer) -> Integer:
-        return Integer(value=value.value % modulo.value)
+    def mod(value: Numeric, modulo: Numeric) -> Numeric:
+        return _to_numeric(value=value.value % modulo.value)
 
     @staticmethod
     def max(left: Numeric, right: Numeric) -> Numeric:
diff --git a/src/ytdl_sub/script/utils/type_checking.py b/src/ytdl_sub/script/utils/type_checking.py
index 4d98df57..6bbbdacd 100644
--- a/src/ytdl_sub/script/utils/type_checking.py
+++ b/src/ytdl_sub/script/utils/type_checking.py
@@ -12,6 +12,7 @@ from ytdl_sub.script.types.resolvable import Resolvable
 from ytdl_sub.script.types.variable import Variable
 from ytdl_sub.script.utils.exceptions import UNREACHABLE
 
+# pylint: disable=missing-raises-doc
 
 def is_union(arg_type: Type) -> bool:
     """
diff --git a/tests/unit/script/types/test_array.py b/tests/unit/script/types/test_array.py
index 36ead92a..5bc17734 100644
--- a/tests/unit/script/types/test_array.py
+++ b/tests/unit/script/types/test_array.py
@@ -24,18 +24,6 @@ class TestArray:
             "array": String('str: ["a", 3.14]')
         }
 
-    @pytest.mark.parametrize(
-        "array, expected_bool",
-        [
-            ("{%bool([])}", False),
-            ("{%bool([False])}", True),
-        ],
-    )
-    def test_return_as_bool(self, array: str, expected_bool: bool):
-        assert Script({"array_as_bool": array}).resolve() == {
-            "array_as_bool": Boolean(expected_bool)
-        }
-
     def test_nested_array(self):
         assert Script(
             {"array": "{['level1', ['level2', ['level3', 'level3'], 'level2'], 'level1']}"}
diff --git a/tests/unit/script/types/test_bool.py b/tests/unit/script/types/test_bool.py
index 96d9378b..255a095e 100644
--- a/tests/unit/script/types/test_bool.py
+++ b/tests/unit/script/types/test_bool.py
@@ -37,3 +37,23 @@ class TestBool:
             "boolean": Boolean(expected_boolean),
             "as_string": String(str(expected_boolean)),
         }
+
+    @pytest.mark.parametrize(
+        "to_cast, expected_bool",
+        [
+            ("{%bool(False)}", False),
+            ("{%bool(True)}", True),
+            ("{%bool(0)}", False),
+            ("{%bool(1)}", True),
+            ("{%bool(0.0)}", False),
+            ("{%bool(0.1)}", True),
+            ("{%bool('')}", False),
+            ("{%bool('false')}", True),
+            ("{%bool([])}", False),
+            ("{%bool([False])}", True),
+            ("{%bool({})}", False),
+            ("{%bool({'key': 'value'})}", True),
+        ],
+    )
+    def test_cast_as_bool(self, to_cast: str, expected_bool: bool):
+        assert Script({"as_bool": to_cast}).resolve() == {"as_bool": Boolean(expected_bool)}
diff --git a/tests/unit/script/types/test_float.py b/tests/unit/script/types/test_float.py
index 763d7453..b6401293 100644
--- a/tests/unit/script/types/test_float.py
+++ b/tests/unit/script/types/test_float.py
@@ -44,16 +44,6 @@ class TestFloat:
             "as_string": String(str(expected_float)),
         }
 
-    @pytest.mark.parametrize(
-        "float_, expected_bool",
-        [
-            ("{%bool(0.0)}", False),
-            ("{%bool(0.1)}", True),
-        ],
-    )
-    def test_return_as_bool(self, float_: str, expected_bool: bool):
-        assert Script({"as_bool": float_}).resolve() == {"as_bool": Boolean(expected_bool)}
-
     @pytest.mark.parametrize(
         "float_",
         [
@@ -68,3 +58,17 @@ class TestFloat:
     def test_invalid_float(self, float_: str):
         with pytest.raises(InvalidSyntaxException, match=re.escape(str(NUMERICS_INVALID_CHAR))):
             Script({"float": float_}).resolve()
+
+    @pytest.mark.parametrize(
+        "to_cast, expected_float",
+        [
+            ("{%float(5)}", 5.0),
+            ("{%float(0.9)}", 0.9),
+            ("{%float(-3.00)}", -3.0),
+            ("{%float(True)}", 1.0),
+            ("{%float(False)}", 0.0),
+            ("{%float('142.43')}", 142.43),
+        ],
+    )
+    def test_cast_as_float(self, to_cast: str, expected_float: float):
+        assert Script({"as_float": to_cast}).resolve() == {"as_float": Float(expected_float)}
diff --git a/tests/unit/script/types/test_integer.py b/tests/unit/script/types/test_integer.py
index e696c0eb..8e49d722 100644
--- a/tests/unit/script/types/test_integer.py
+++ b/tests/unit/script/types/test_integer.py
@@ -44,16 +44,6 @@ class TestInteger:
             "as_string": String(str(expected_integer)),
         }
 
-    @pytest.mark.parametrize(
-        "integer, expected_bool",
-        [
-            ("{%bool(0)}", False),
-            ("{%bool(1)}", True),
-        ],
-    )
-    def test_return_as_bool(self, integer: str, expected_bool: bool):
-        assert Script({"as_bool": integer}).resolve() == {"as_bool": Boolean(expected_bool)}
-
     @pytest.mark.parametrize(
         "integer",
         [
@@ -68,3 +58,17 @@ class TestInteger:
     def test_invalid_integer(self, integer: str):
         with pytest.raises(InvalidSyntaxException, match=re.escape(str(NUMERICS_INVALID_CHAR))):
             Script({"integer": integer}).resolve()
+
+    @pytest.mark.parametrize(
+        "to_cast, expected_int",
+        [
+            ("{%int(5)}", 5),
+            ("{%int(0.9)}", 0),
+            ("{%int(-3.00)}", -3),
+            ("{%int(True)}", 1),
+            ("{%int(False)}", 0),
+            ("{%int('142')}", 142),
+        ],
+    )
+    def test_cast_as_integer(self, to_cast: str, expected_int: int):
+        assert Script({"as_int": to_cast}).resolve() == {"as_int": Integer(expected_int)}
diff --git a/tests/unit/script/types/test_map.py b/tests/unit/script/types/test_map.py
index b0502561..51159760 100644
--- a/tests/unit/script/types/test_map.py
+++ b/tests/unit/script/types/test_map.py
@@ -28,16 +28,6 @@ class TestMap:
             "map": String('json: {"a": 3.14}')
         }
 
-    @pytest.mark.parametrize(
-        "map_, expected_bool",
-        [
-            ("{%bool({})}", False),
-            ("{%bool({'key': 'value'})}", True),
-        ],
-    )
-    def test_return_as_bool(self, map_: str, expected_bool: bool):
-        assert Script({"as_bool": map_}).resolve() == {"as_bool": Boolean(expected_bool)}
-
     def test_nested_map(self):
         map_str = """{
             {
diff --git a/tests/unit/script/types/test_string.py b/tests/unit/script/types/test_string.py
index 3b37fac9..e9564227 100644
--- a/tests/unit/script/types/test_string.py
+++ b/tests/unit/script/types/test_string.py
@@ -49,16 +49,6 @@ class TestString:
     def test_string(self, string: str, expected_string: str):
         assert Script({"string": string}).resolve() == {"string": String(expected_string)}
 
-    @pytest.mark.parametrize(
-        "string, expected_bool",
-        [
-            ("{%bool('')}", False),
-            ("{%bool('false')}", True),
-        ],
-    )
-    def test_return_as_bool(self, string: str, expected_bool: bool):
-        assert Script({"as_bool": string}).resolve() == {"as_bool": Boolean(expected_bool)}
-
     @pytest.mark.parametrize(
         "string",
         [