diff --git a/Planetovka.sm b/Planetovka.sm
index 137ecdf..028313b 100644
--- a/Planetovka.sm
+++ b/Planetovka.sm
@@ -4,7 +4,7 @@
   <settings>
     <identity>
       <id>9d5361ef-bd1e-4200-a183-1dc652b53c7f</id>
-      <revision>79</revision>
+      <revision>85</revision>
     </identity>
     <calculation>
       <precision>4</precision>
@@ -4515,9 +4515,127 @@
       </result>
     </math>
   </region>
-  <region id="391" left="54" top="11943" width="128" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
+  <region id="391" left="54" top="11943" width="132" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
     <text lang="eng">
-      <p bold="true">Soucinitel tvrdosti</p>
+      <p bold="true">Soucinitel tvrdosti:</p>
     </text>
   </region>
+  <region id="392" left="54" top="11961" width="429" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
+    <text lang="eng">
+      <p>Tvrdost v predchozich vypoctech byla uvadena podle Vickerse..</p>
+    </text>
+  </region>
+  <region id="393" left="54" top="11979" width="119" height="30" color="#000000" bgColor="#ffffff" fontSize="10">
+    <math>
+      <input>
+        <e type="operand">HV.c</e>
+        <e type="operand">H.c</e>
+        <e type="operator" args="2">:</e>
+      </input>
+      <result action="numeric">
+        <e type="operand">685</e>
+      </result>
+    </math>
+  </region>
+  <region id="394" left="297" top="11988" width="85" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
+    <text lang="eng">
+      <p>Prevod dle:</p>
+    </text>
+  </region>
+  <region id="395" left="54" top="12006" width="119" height="30" color="#000000" bgColor="#ffffff" fontSize="10">
+    <math>
+      <input>
+        <e type="operand">HV.s</e>
+        <e type="operand">H.s</e>
+        <e type="operator" args="2">:</e>
+      </input>
+      <result action="numeric">
+        <e type="operand">635</e>
+      </result>
+    </math>
+  </region>
+  <region id="396" left="297" top="12006" width="315" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
+    <text lang="eng">
+      <p>http://www.converter.cz/tabulky/tvrdost-online.htm</p>
+    </text>
+  </region>
+  <region id="397" left="54" top="12033" width="148" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
+    <text lang="eng">
+      <p>Prepocet na Brinella:</p>
+    </text>
+  </region>
+  <region id="398" left="297" top="12033" width="77" height="30" border="true" color="#000000" bgColor="#ff8000" fontSize="10">
+    <math>
+      <input>
+        <e type="operand">HB.c</e>
+        <e type="operand">641</e>
+        <e type="operator" args="2">:</e>
+      </input>
+    </math>
+  </region>
+  <region id="399" left="378" top="12033" width="77" height="30" border="true" color="#000000" bgColor="#ff8000" fontSize="10">
+    <math>
+      <input>
+        <e type="operand">HB.s</e>
+        <e type="operand">595</e>
+        <e type="operator" args="2">:</e>
+      </input>
+    </math>
+  </region>
+  <region id="400" left="54" top="12060" width="351" height="80" border="true" color="#000000" bgColor="#80ff00" fontSize="10">
+    <math>
+      <input>
+        <e type="operand">HB.s</e>
+        <e type="operand">470</e>
+        <e type="operator" args="2">&gt;</e>
+        <e type="operand">Z.w</e>
+        <e type="operand">1</e>
+        <e type="operator" args="2">:</e>
+        <e type="operand" style="string">Koukni do shigleyho na stranu 815</e>
+        <e type="function" preserve="true" args="3">if</e>
+      </input>
+      <result action="numeric">
+        <e type="operand">1</e>
+      </result>
+    </math>
+  </region>
+  <region id="401" left="54" top="12141" width="137" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
+    <text lang="eng">
+      <p bold="true">Soucinitel velikosti:</p>
+    </text>
+  </region>
+  <region id="402" left="54" top="12159" width="52" height="30" color="#000000" bgColor="#ffffff" fontSize="10">
+    <math>
+      <input>
+        <e type="operand">Z.x</e>
+        <e type="operand">1</e>
+        <e type="operator" args="2">:</e>
+      </input>
+    </math>
+  </region>
+  <region id="403" left="108" top="12159" width="229" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
+    <text lang="eng">
+      <p>Dle shigleyho v ISO norme vzdy</p>
+    </text>
+  </region>
+  <region id="404" left="117" top="12168" width="9" height="24" color="#000000" bgColor="#ffffff" fontSize="10" />
+  <region id="405" left="54" top="12186" width="166" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
+    <text lang="eng">
+      <p bold="true">Soucinitel sklonu zubu:</p>
+    </text>
+  </region>
+  <region id="406" left="54" top="12204" width="145" height="34" color="#000000" bgColor="#ffffff" fontSize="10">
+    <math>
+      <input>
+        <e type="operand">Z.β</e>
+        <e type="operand">β.b</e>
+        <e type="function" preserve="true" args="1">cos</e>
+        <e type="function" preserve="true" args="1">sqrt</e>
+        <e type="operator" args="2">:</e>
+      </input>
+      <result action="numeric">
+        <e type="operand">1</e>
+      </result>
+    </math>
+  </region>
 </regions>
\ No newline at end of file