diff --git a/src/Engine.php b/src/Engine.php
index 259f212..c57109c 100644
--- a/src/Engine.php
+++ b/src/Engine.php
@@ -238,6 +238,10 @@ class Engine
 
     public function calc() {
 
+        $this->debugCalcFormel = [];
+        $this->debugCalcVariables = [];
+        $this->debugFlatPrice = [];
+        $this->debugPrice = [];
         $this->price = 0;
 
         $tmp = [];
diff --git a/tests/Customer/R/CalcTest.php b/tests/Customer/R/CalcTest.php
index b8ae586..f450ee0 100644
--- a/tests/Customer/R/CalcTest.php
+++ b/tests/Customer/R/CalcTest.php
@@ -72,4 +72,11 @@ class CalcTest extends TestCase
         self::assertTrue($this->engine->getArticle()->getOptionById('checkboxen1')->getOptions()[1]->isSelected());
 
     }
+
+    public function testOptionCalcCheckbox(): void
+    {
+        $this->assertEquals(1048, $this->engine->getPrice());
+        $this->engine->setVariable('radio1', 1);
+        $this->assertEquals(1044, $this->engine->getPrice());
+    }
 }
diff --git a/tests/Customer/R/CheckboxTest.php b/tests/Customer/R/CheckboxTest.php
new file mode 100644
index 0000000..36d87f7
--- /dev/null
+++ b/tests/Customer/R/CheckboxTest.php
@@ -0,0 +1,56 @@
+<?php
+namespace PSC\Library\Calc\Tests\Customer\R;
+
+use PHPUnit\Framework\TestCase;
+use PSC\Library\Calc\Article;
+use PSC\Library\Calc\Engine;
+use PSC\Library\Calc\Error\Validation\Input\Max;
+use PSC\Library\Calc\Error\Validation\Input\Min;
+use PSC\Library\Calc\Option\Type\Select;
+use PSC\Library\Calc\PaperContainer;
+use PSC\Library\Calc\PreCalc\PreCalc;
+use PSC\Library\Calc\Tests\Mock\PaperRepostory;
+
+class CheckboxTest extends TestCase
+{
+
+    protected ?Engine $engine;
+
+    public function setUp(): void
+    {
+        $repository = new PaperRepostory();
+
+        $paperContainer = new PaperContainer();
+        $paperContainer->parse(simplexml_load_string(file_get_contents(__DIR__ . '/papierContainer.xml')));
+
+        $this->engine = new Engine();
+        $this->engine->setPaperContainer($paperContainer);
+        $this->engine->setPaperRepository($repository);
+        $this->engine->setFormulas(file_get_contents(__DIR__ . '/formels.txt'));
+        $this->engine->setParameters(file_get_contents(__DIR__ . '/parameters.txt'));
+        $this->engine->setTemplates(file_get_contents(__DIR__ . '/calcTemplates.xml'));
+
+        $this->engine->loadString(file_get_contents(__DIR__ . '/calc_checkbox.xml'));
+
+    }
+
+    public function tearDown(): void
+    {
+        $this->engine = null;
+    }
+
+    public function testCalcDefault(): void
+    {
+        self::assertSame(26.0, $this->engine->getPrice());
+        self::assertTrue($this->engine->getArticle()->getOptionById('checkbox')->getOptions()[0]->isSelected());
+        self::assertTrue($this->engine->getArticle()->getOptionById('checkbox')->getOptions()[1]->isSelected());
+    }
+
+    public function testCalcOnly2(): void
+    {
+        $this->engine->setVariable('checkbox', [2]);
+        self::assertSame(14.0, $this->engine->getPrice());
+        self::assertFalse($this->engine->getArticle()->getOptionById('checkbox')->getOptions()[0]->isSelected());
+        self::assertTrue($this->engine->getArticle()->getOptionById('checkbox')->getOptions()[1]->isSelected());
+    }
+}
diff --git a/tests/Customer/R/RadioboxTest.php b/tests/Customer/R/RadioboxTest.php
new file mode 100644
index 0000000..8d02eb0
--- /dev/null
+++ b/tests/Customer/R/RadioboxTest.php
@@ -0,0 +1,56 @@
+<?php
+namespace PSC\Library\Calc\Tests\Customer\R;
+
+use PHPUnit\Framework\TestCase;
+use PSC\Library\Calc\Article;
+use PSC\Library\Calc\Engine;
+use PSC\Library\Calc\Error\Validation\Input\Max;
+use PSC\Library\Calc\Error\Validation\Input\Min;
+use PSC\Library\Calc\Option\Type\Select;
+use PSC\Library\Calc\PaperContainer;
+use PSC\Library\Calc\PreCalc\PreCalc;
+use PSC\Library\Calc\Tests\Mock\PaperRepostory;
+
+class RadioboxTest extends TestCase
+{
+
+    protected ?Engine $engine;
+
+    public function setUp(): void
+    {
+        $repository = new PaperRepostory();
+
+        $paperContainer = new PaperContainer();
+        $paperContainer->parse(simplexml_load_string(file_get_contents(__DIR__ . '/papierContainer.xml')));
+
+        $this->engine = new Engine();
+        $this->engine->setPaperContainer($paperContainer);
+        $this->engine->setPaperRepository($repository);
+        $this->engine->setFormulas(file_get_contents(__DIR__ . '/formels.txt'));
+        $this->engine->setParameters(file_get_contents(__DIR__ . '/parameters.txt'));
+        $this->engine->setTemplates(file_get_contents(__DIR__ . '/calcTemplates.xml'));
+
+        $this->engine->loadString(file_get_contents(__DIR__ . '/calc_radiobox.xml'));
+
+    }
+
+    public function tearDown(): void
+    {
+        $this->engine = null;
+    }
+
+    public function testCalcDefault(): void
+    {
+        $this->assertSame(12.0, $this->engine->getPrice());
+        self::assertFalse($this->engine->getArticle()->getOptionById('radiobox')->getOptions()[1]->isSelected());
+        self::assertTrue($this->engine->getArticle()->getOptionById('radiobox')->getOptions()[0]->isSelected());
+    }
+
+    public function testCalcOnly2(): void
+    {
+        $this->engine->setVariable('radiobox', 2);
+        $this->assertSame(14.0, $this->engine->getPrice());
+        self::assertFalse($this->engine->getArticle()->getOptionById('radiobox')->getOptions()[0]->isSelected());
+        self::assertTrue($this->engine->getArticle()->getOptionById('radiobox')->getOptions()[1]->isSelected());
+    }
+}
diff --git a/tests/Customer/R/calc.xml b/tests/Customer/R/calc.xml
index 103fe7c..0b06d6f 100644
--- a/tests/Customer/R/calc.xml
+++ b/tests/Customer/R/calc.xml
@@ -50,11 +50,32 @@
             <opt id="1" name="Auswahl 1-1"></opt>
             <opt id="2" name="Auswahl 1-2"></opt>
         </option>
-        <option id="checkboxen2" name="Checkboxen 2" type="Checkbox">
+        <option id="checkboxen2" name="Checkboxen 2" type="Checkbox" default="1,2">
             <opt id="1" name="Auswahl 2-1"></opt>
+            <opt id="2" name="Auswahl 2-2"></opt>
         </option>
-        <option id="checkboxen3" name="Checkboxen 3" type="Checkbox">
+        <option id="checkboxen3" name="Checkboxen 3" type="Checkbox" default="2">
             <opt id="1" name="Auswahl 3-1"></opt>
+            <opt id="2" name="Auswahl 3-2"></opt>
+        </option>
+
+        <option id="radio1" name="Radio 1" type="Radio" default="2">
+            <opt id="1" name="Radio 1-1"></opt>
+            <opt id="2" name="Radio 1-2"></opt>
+        </option>
+
+
+        <option id="checkbox_calc" name="checkbox_calc" type="Hidden">
+            <checkboxen2>
+                <grenze formel="12">1</grenze>
+                <grenze formel="14">2</grenze>
+            </checkboxen2>
+        </option>
+        <option id="radio_calc" name="radio_calc" type="Hidden">
+            <radio1>
+                <grenze formel="52">1</grenze>
+                <grenze formel="56">2</grenze>
+            </radio1>
         </option>
         <!-- ### Eingabebox einzeilig 1 ### -->
         <option id="input1" name="Eingabe" type="Input" />
@@ -148,6 +169,24 @@
             <opt id="1" name="Auswahl 3-1"></opt>
             <opt id="2" name="Auswahl 3-2"></opt>
         </option>
+
+        <option id="radio1" name="Radio 1" type="Radio" default="2">
+            <opt id="1" name="Radio 1-1"></opt>
+            <opt id="2" name="Radio 1-2"></opt>
+        </option>
+
+        <option id="checkbox_calc" name="checkbox_calc" type="Hidden">
+            <checkboxen1>
+                <grenze formel="12">1</grenze>
+                <grenze formel="14">2</grenze>
+            </checkboxen1>
+        </option>
+        <option id="radio_calc" name="radio_calc" type="Hidden">
+            <radio1>
+                <grenze formel="52">1</grenze>
+                <grenze formel="56">2</grenze>
+            </radio1>
+        </option>
         <!-- ### Eingabebox einzeilig 1 ### -->
         <option id="input1" name="Eingabe" type="Input" />
         <!-- ### Eingabebox mehrzeilig 1 ### -->
diff --git a/tests/Customer/R/calc_checkbox.xml b/tests/Customer/R/calc_checkbox.xml
new file mode 100644
index 0000000..ce65c7a
--- /dev/null
+++ b/tests/Customer/R/calc_checkbox.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<kalkulation>
+    <artikel>
+        <name>Checkbox Grenze Formel</name>
+        <kommentar></kommentar>
+
+        <option id="checkbox" name="Checkboxen 1" type="Checkbox" default="1,2">
+            <opt id="1" name="Auswahl 1-1"></opt>
+            <opt id="2" name="Auswahl 1-2"></opt>
+        </option>
+
+
+        <option id="checkbox_calc" name="checkbox_calc" type="Hidden">
+            <checkbox>
+                <grenze formel="12">1</grenze>
+                <grenze formel="14">2</grenze>
+            </checkbox>
+        </option>
+    </artikel>
+</kalkulation>
\ No newline at end of file
diff --git a/tests/Customer/R/calc_radiobox.xml b/tests/Customer/R/calc_radiobox.xml
new file mode 100644
index 0000000..5d233ef
--- /dev/null
+++ b/tests/Customer/R/calc_radiobox.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<kalkulation>
+    <artikel>
+        <name>Checkbox Grenze Formel</name>
+        <kommentar></kommentar>
+
+        <option id="radiobox" name="Radiobox" type="Radio" default="1">
+            <opt id="1" name="Auswahl 1-1"></opt>
+            <opt id="2" name="Auswahl 1-2"></opt>
+        </option>
+
+
+        <option id="checkbox_calc" name="checkbox_calc" type="Hidden">
+            <radiobox>
+                <grenze formel="12">1</grenze>
+                <grenze formel="14">2</grenze>
+            </radiobox>
+        </option>
+    </artikel>
+</kalkulation>
\ No newline at end of file