diff --git a/app/src/main/java/com/example/hpostesting/presentation/hemocube/HemoCubeFragment.kt b/app/src/main/java/com/example/hpostesting/presentation/hemocube/HemoCubeFragment.kt
index 9935e20..85a445d 100644
--- a/app/src/main/java/com/example/hpostesting/presentation/hemocube/HemoCubeFragment.kt
+++ b/app/src/main/java/com/example/hpostesting/presentation/hemocube/HemoCubeFragment.kt
@@ -74,6 +74,8 @@ class HemoCubeFragment : Fragment() {
 
         hemoCubeViewModel.getDeviceData("DEVICE1")
 
+//        hemoCubeViewModel.getDeviceData(sharedPreference.getString(Constants.USER_ID, "").toString())
+
         hemoCubeViewModel.deviceData.observe(viewLifecycleOwner) {
             deviceData = it
             Toast.makeText(requireContext(), calculateRatio(0.17).toString(), Toast.LENGTH_SHORT).show()
@@ -318,6 +320,6 @@ class HemoCubeFragment : Fragment() {
 //        val c2 = deviceData?.coefficients?.get(1)!!
         val c1 = deviceData?.coefficients?.get(0)!!
         val c2 = deviceData?.coefficients?.get(1)!!
-        return c1 * ratio - c2
+        return c1 * ratio + c2
     }
 }