diff --git a/README.md b/README.md
index 07b25d011..ab9fdf3c4 100644
--- a/README.md
+++ b/README.md
@@ -24,3 +24,7 @@ We welcome contributions. For smaller changes just open a pull request straight
 ## License
 
 NumWorks Epsilon is released under a [CC BY-NC-SA License](https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode). NumWorks is a registered trademark.
+
+# Personal Changelog
+
+- Revert: https://github.com/numworks/epsilon/commit/267d27f1145922b61b6171e14284534fa2256f0c
\ No newline at end of file
diff --git a/apps/calculation/calculation.cpp b/apps/calculation/calculation.cpp
index b04d232a1..f9f06e2a9 100644
--- a/apps/calculation/calculation.cpp
+++ b/apps/calculation/calculation.cpp
@@ -55,7 +55,7 @@ void Calculation::setContent(const char * c, Context * context, Expression ansEx
   }
   Expression exactOutput;
   Expression approximateOutput;
-  PoincareHelpers::ParseAndSimplifyAndApproximate(m_inputText, &exactOutput, &approximateOutput, *context, false);
+  PoincareHelpers::ParseAndSimplifyAndApproximate(m_inputText, &exactOutput, &approximateOutput, *context); /// FALSE TO DISABLE LITERAL CALCULATION
   PoincareHelpers::Serialize(exactOutput, m_exactOutputText, sizeof(m_exactOutputText));
   PoincareHelpers::Serialize(approximateOutput, m_approximateOutputText, sizeof(m_approximateOutputText));
 }
@@ -214,7 +214,7 @@ Calculation::EqualSign Calculation::exactAndApproximateDisplayedOutputsAreEqual(
   constexpr int bufferSize = Constant::MaxSerializedExpressionSize;
   char buffer[bufferSize];
   Preferences * preferences = Preferences::sharedPreferences();
-  Expression exactOutputExpression = PoincareHelpers::ParseAndSimplify(m_exactOutputText, *context, false);
+  Expression exactOutputExpression = PoincareHelpers::ParseAndSimplify(m_exactOutputText, *context); /// FALSE TO DISABLE LITERAL CALCULATION
   if (exactOutputExpression.isUninitialized()) {
     exactOutputExpression = Undefined::Builder();
   }
diff --git a/epsilon.elf b/epsilon.elf
new file mode 100755
index 000000000..772662e4f
Binary files /dev/null and b/epsilon.elf differ
diff --git a/scripts/targets.device.mak b/scripts/targets.device.mak
index 52ba503c1..e0aa9600d 100644
--- a/scripts/targets.device.mak
+++ b/scripts/targets.device.mak
@@ -34,7 +34,7 @@
 	@echo "==============================="
 
 .PHONY: %_flash
-%_flash: %.bin
+%_flash: ./build/device/%.bin
 	@echo "DFU     $@"
 	@echo "INFO    About to flash your device. Please plug your device to your computer"
 	@echo "        using an USB cable and press the RESET button the back of your device."