diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index 4e5b7385..1c6070ab 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -490,36 +490,6 @@ parameters:
 			count: 1
 			path: src/PhpSpreadsheet/Calculation/Engineering.php
 
-		-
-			message: "#^Method PhpOffice\\\\PhpSpreadsheet\\\\Calculation\\\\Engineering\\\\BesselI\\:\\:validateFloat\\(\\) has parameter \\$value with no typehint specified\\.$#"
-			count: 1
-			path: src/PhpSpreadsheet/Calculation/Engineering/BesselI.php
-
-		-
-			message: "#^Method PhpOffice\\\\PhpSpreadsheet\\\\Calculation\\\\Engineering\\\\BesselI\\:\\:validateInt\\(\\) has parameter \\$value with no typehint specified\\.$#"
-			count: 1
-			path: src/PhpSpreadsheet/Calculation/Engineering/BesselI.php
-
-		-
-			message: "#^Parameter \\#1 \\$number of function floor expects float, float\\|int\\|string given\\.$#"
-			count: 1
-			path: src/PhpSpreadsheet/Calculation/Engineering/BesselI.php
-
-		-
-			message: "#^Method PhpOffice\\\\PhpSpreadsheet\\\\Calculation\\\\Engineering\\\\BesselJ\\:\\:validateFloat\\(\\) has parameter \\$value with no typehint specified\\.$#"
-			count: 1
-			path: src/PhpSpreadsheet/Calculation/Engineering/BesselJ.php
-
-		-
-			message: "#^Method PhpOffice\\\\PhpSpreadsheet\\\\Calculation\\\\Engineering\\\\BesselJ\\:\\:validateInt\\(\\) has parameter \\$value with no typehint specified\\.$#"
-			count: 1
-			path: src/PhpSpreadsheet/Calculation/Engineering/BesselJ.php
-
-		-
-			message: "#^Parameter \\#1 \\$number of function floor expects float, float\\|int\\|string given\\.$#"
-			count: 1
-			path: src/PhpSpreadsheet/Calculation/Engineering/BesselJ.php
-
 		-
 			message: "#^Method PhpOffice\\\\PhpSpreadsheet\\\\Calculation\\\\Engineering\\\\BesselJ\\:\\:besselj2a\\(\\) has no return typehint specified\\.$#"
 			count: 1
@@ -530,71 +500,11 @@ parameters:
 			count: 1
 			path: src/PhpSpreadsheet/Calculation/Engineering/BesselJ.php
 
-		-
-			message: "#^Method PhpOffice\\\\PhpSpreadsheet\\\\Calculation\\\\Engineering\\\\BesselK\\:\\:validateFloat\\(\\) has parameter \\$value with no typehint specified\\.$#"
-			count: 1
-			path: src/PhpSpreadsheet/Calculation/Engineering/BesselK.php
-
-		-
-			message: "#^Method PhpOffice\\\\PhpSpreadsheet\\\\Calculation\\\\Engineering\\\\BesselK\\:\\:validateInt\\(\\) has parameter \\$value with no typehint specified\\.$#"
-			count: 1
-			path: src/PhpSpreadsheet/Calculation/Engineering/BesselK.php
-
-		-
-			message: "#^Parameter \\#1 \\$number of function floor expects float, float\\|int\\|string given\\.$#"
-			count: 1
-			path: src/PhpSpreadsheet/Calculation/Engineering/BesselK.php
-
 		-
 			message: "#^Method PhpOffice\\\\PhpSpreadsheet\\\\Calculation\\\\Engineering\\\\BesselK\\:\\:besselK2\\(\\) has no return typehint specified\\.$#"
 			count: 1
 			path: src/PhpSpreadsheet/Calculation/Engineering/BesselK.php
 
-		-
-			message: "#^Method PhpOffice\\\\PhpSpreadsheet\\\\Calculation\\\\Engineering\\\\BesselY\\:\\:validateFloat\\(\\) has parameter \\$value with no typehint specified\\.$#"
-			count: 1
-			path: src/PhpSpreadsheet/Calculation/Engineering/BesselY.php
-
-		-
-			message: "#^Method PhpOffice\\\\PhpSpreadsheet\\\\Calculation\\\\Engineering\\\\BesselY\\:\\:validateInt\\(\\) has parameter \\$value with no typehint specified\\.$#"
-			count: 1
-			path: src/PhpSpreadsheet/Calculation/Engineering/BesselY.php
-
-		-
-			message: "#^Parameter \\#1 \\$number of function floor expects float, float\\|int\\|string given\\.$#"
-			count: 1
-			path: src/PhpSpreadsheet/Calculation/Engineering/BesselY.php
-
-		-
-			message: "#^Method PhpOffice\\\\PhpSpreadsheet\\\\Calculation\\\\Engineering\\\\Compare\\:\\:validateFloat\\(\\) has parameter \\$value with no typehint specified\\.$#"
-			count: 1
-			path: src/PhpSpreadsheet/Calculation/Engineering/Compare.php
-
-		-
-			message: "#^Method PhpOffice\\\\PhpSpreadsheet\\\\Calculation\\\\Engineering\\\\Compare\\:\\:validateInt\\(\\) has parameter \\$value with no typehint specified\\.$#"
-			count: 1
-			path: src/PhpSpreadsheet/Calculation/Engineering/Compare.php
-
-		-
-			message: "#^Parameter \\#1 \\$number of function floor expects float, float\\|int\\|string given\\.$#"
-			count: 1
-			path: src/PhpSpreadsheet/Calculation/Engineering/Compare.php
-
-		-
-			message: "#^Method PhpOffice\\\\PhpSpreadsheet\\\\Calculation\\\\Engineering\\\\Complex\\:\\:validateFloat\\(\\) has parameter \\$value with no typehint specified\\.$#"
-			count: 1
-			path: src/PhpSpreadsheet/Calculation/Engineering/Complex.php
-
-		-
-			message: "#^Method PhpOffice\\\\PhpSpreadsheet\\\\Calculation\\\\Engineering\\\\Complex\\:\\:validateInt\\(\\) has parameter \\$value with no typehint specified\\.$#"
-			count: 1
-			path: src/PhpSpreadsheet/Calculation/Engineering/Complex.php
-
-		-
-			message: "#^Parameter \\#1 \\$number of function floor expects float, float\\|int\\|string given\\.$#"
-			count: 1
-			path: src/PhpSpreadsheet/Calculation/Engineering/Complex.php
-
 		-
 			message: "#^Method PhpOffice\\\\PhpSpreadsheet\\\\Calculation\\\\Engineering\\\\BitWise\\:\\:validateBitwiseArgument\\(\\) never returns int so it can be removed from the return typehint\\.$#"
 			count: 1
diff --git a/src/PhpSpreadsheet/Calculation/Engineering/BesselI.php b/src/PhpSpreadsheet/Calculation/Engineering/BesselI.php
index bbb24bd4..ea2577cd 100644
--- a/src/PhpSpreadsheet/Calculation/Engineering/BesselI.php
+++ b/src/PhpSpreadsheet/Calculation/Engineering/BesselI.php
@@ -7,8 +7,6 @@ use PhpOffice\PhpSpreadsheet\Calculation\Functions;
 
 class BesselI
 {
-    use BaseValidations;
-
     /**
      * BESSELI.
      *
@@ -32,12 +30,12 @@ class BesselI
      */
     public static function BESSELI($x, $ord)
     {
-        $x = ($x === null) ? 0.0 : Functions::flattenSingleValue($x);
-        $ord = ($ord === null) ? 0 : Functions::flattenSingleValue($ord);
+        $x = Functions::flattenSingleValue($x);
+        $ord = Functions::flattenSingleValue($ord);
 
         try {
-            $x = self::validateFloat($x);
-            $ord = self::validateInt($ord);
+            $x = EngineeringValidations::validateFloat($x);
+            $ord = EngineeringValidations::validateInt($ord);
         } catch (Exception $e) {
             return $e->getMessage();
         }
diff --git a/src/PhpSpreadsheet/Calculation/Engineering/BesselJ.php b/src/PhpSpreadsheet/Calculation/Engineering/BesselJ.php
index 730e2870..7ea45a74 100644
--- a/src/PhpSpreadsheet/Calculation/Engineering/BesselJ.php
+++ b/src/PhpSpreadsheet/Calculation/Engineering/BesselJ.php
@@ -7,8 +7,6 @@ use PhpOffice\PhpSpreadsheet\Calculation\Functions;
 
 class BesselJ
 {
-    use BaseValidations;
-
     /**
      * BESSELJ.
      *
@@ -31,12 +29,12 @@ class BesselJ
      */
     public static function BESSELJ($x, $ord)
     {
-        $x = ($x === null) ? 0.0 : Functions::flattenSingleValue($x);
-        $ord = ($ord === null) ? 0.0 : Functions::flattenSingleValue($ord);
+        $x = Functions::flattenSingleValue($x);
+        $ord = Functions::flattenSingleValue($ord);
 
         try {
-            $x = self::validateFloat($x);
-            $ord = self::validateInt($ord);
+            $x = EngineeringValidations::validateFloat($x);
+            $ord = EngineeringValidations::validateInt($ord);
         } catch (Exception $e) {
             return $e->getMessage();
         }
diff --git a/src/PhpSpreadsheet/Calculation/Engineering/BesselK.php b/src/PhpSpreadsheet/Calculation/Engineering/BesselK.php
index 18a2ac5c..8facdffc 100644
--- a/src/PhpSpreadsheet/Calculation/Engineering/BesselK.php
+++ b/src/PhpSpreadsheet/Calculation/Engineering/BesselK.php
@@ -7,8 +7,6 @@ use PhpOffice\PhpSpreadsheet\Calculation\Functions;
 
 class BesselK
 {
-    use BaseValidations;
-
     /**
      * BESSELK.
      *
@@ -29,12 +27,12 @@ class BesselK
      */
     public static function BESSELK($x, $ord)
     {
-        $x = ($x === null) ? 0.0 : Functions::flattenSingleValue($x);
-        $ord = ($ord === null) ? 0 : Functions::flattenSingleValue($ord);
+        $x = Functions::flattenSingleValue($x);
+        $ord = Functions::flattenSingleValue($ord);
 
         try {
-            $x = self::validateFloat($x);
-            $ord = self::validateInt($ord);
+            $x = EngineeringValidations::validateFloat($x);
+            $ord = EngineeringValidations::validateInt($ord);
         } catch (Exception $e) {
             return $e->getMessage();
         }
diff --git a/src/PhpSpreadsheet/Calculation/Engineering/BesselY.php b/src/PhpSpreadsheet/Calculation/Engineering/BesselY.php
index 19932c64..7f387497 100644
--- a/src/PhpSpreadsheet/Calculation/Engineering/BesselY.php
+++ b/src/PhpSpreadsheet/Calculation/Engineering/BesselY.php
@@ -7,8 +7,6 @@ use PhpOffice\PhpSpreadsheet\Calculation\Functions;
 
 class BesselY
 {
-    use BaseValidations;
-
     /**
      * BESSELY.
      *
@@ -28,12 +26,12 @@ class BesselY
      */
     public static function BESSELY($x, $ord)
     {
-        $x = ($x === null) ? 0.0 : Functions::flattenSingleValue($x);
-        $ord = ($ord === null) ? 0 : Functions::flattenSingleValue($ord);
+        $x = Functions::flattenSingleValue($x);
+        $ord = Functions::flattenSingleValue($ord);
 
         try {
-            $x = self::validateFloat($x);
-            $ord = self::validateInt($ord);
+            $x = EngineeringValidations::validateFloat($x);
+            $ord = EngineeringValidations::validateInt($ord);
         } catch (Exception $e) {
             return $e->getMessage();
         }
diff --git a/src/PhpSpreadsheet/Calculation/Engineering/Compare.php b/src/PhpSpreadsheet/Calculation/Engineering/Compare.php
index c764d8ea..0a634206 100644
--- a/src/PhpSpreadsheet/Calculation/Engineering/Compare.php
+++ b/src/PhpSpreadsheet/Calculation/Engineering/Compare.php
@@ -7,8 +7,6 @@ use PhpOffice\PhpSpreadsheet\Calculation\Functions;
 
 class Compare
 {
-    use BaseValidations;
-
     /**
      * DELTA.
      *
@@ -31,8 +29,8 @@ class Compare
         $b = Functions::flattenSingleValue($b);
 
         try {
-            $a = self::validateFloat($a);
-            $b = self::validateFloat($b);
+            $a = EngineeringValidations::validateFloat($a);
+            $b = EngineeringValidations::validateFloat($b);
         } catch (Exception $e) {
             return $e->getMessage();
         }
@@ -61,8 +59,8 @@ class Compare
         $step = Functions::flattenSingleValue($step);
 
         try {
-            $number = self::validateFloat($number);
-            $step = self::validateFloat($step);
+            $number = EngineeringValidations::validateFloat($number);
+            $step = EngineeringValidations::validateFloat($step);
         } catch (Exception $e) {
             return $e->getMessage();
         }
diff --git a/src/PhpSpreadsheet/Calculation/Engineering/Complex.php b/src/PhpSpreadsheet/Calculation/Engineering/Complex.php
index f2718e4a..1c2f5f77 100644
--- a/src/PhpSpreadsheet/Calculation/Engineering/Complex.php
+++ b/src/PhpSpreadsheet/Calculation/Engineering/Complex.php
@@ -9,8 +9,6 @@ use PhpOffice\PhpSpreadsheet\Calculation\Functions;
 
 class Complex
 {
-    use BaseValidations;
-
     /**
      * COMPLEX.
      *
@@ -33,8 +31,8 @@ class Complex
         $suffix = ($suffix === null) ? 'i' : Functions::flattenSingleValue($suffix);
 
         try {
-            $realNumber = self::validateFloat($realNumber);
-            $imaginary = self::validateFloat($imaginary);
+            $realNumber = EngineeringValidations::validateFloat($realNumber);
+            $imaginary = EngineeringValidations::validateFloat($imaginary);
         } catch (Exception $e) {
             return $e->getMessage();
         }
diff --git a/src/PhpSpreadsheet/Calculation/Engineering/BaseValidations.php b/src/PhpSpreadsheet/Calculation/Engineering/EngineeringValidations.php
similarity index 61%
rename from src/PhpSpreadsheet/Calculation/Engineering/BaseValidations.php
rename to src/PhpSpreadsheet/Calculation/Engineering/EngineeringValidations.php
index 48317635..01630af3 100644
--- a/src/PhpSpreadsheet/Calculation/Engineering/BaseValidations.php
+++ b/src/PhpSpreadsheet/Calculation/Engineering/EngineeringValidations.php
@@ -5,9 +5,12 @@ namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;
 use PhpOffice\PhpSpreadsheet\Calculation\Exception;
 use PhpOffice\PhpSpreadsheet\Calculation\Functions;
 
-trait BaseValidations
+class EngineeringValidations
 {
-    protected static function validateFloat($value): float
+    /**
+     * @param mixed $value
+     */
+    public static function validateFloat($value): float
     {
         if (!is_numeric($value)) {
             throw new Exception(Functions::VALUE());
@@ -16,12 +19,15 @@ trait BaseValidations
         return (float) $value;
     }
 
-    protected static function validateInt($value): int
+    /**
+     * @param mixed $value
+     */
+    public static function validateInt($value): int
     {
         if (!is_numeric($value)) {
             throw new Exception(Functions::VALUE());
         }
 
-        return (int) floor($value);
+        return (int) floor((float) $value);
     }
 }