diff --git a/ion/src/shared/events.cpp b/ion/src/shared/events.cpp
index 51cbb733d..a0e8246bd 100644
--- a/ion/src/shared/events.cpp
+++ b/ion/src/shared/events.cpp
@@ -30,7 +30,7 @@ static constexpr EventData s_dataForEvent[] = {
   TL(), TL(), U(),   U(),  U(),  U(),
   TL(), TL(), TL(), TL(), TL(), TL(),
   T("exp()"), T("ln()"),  T("log()"), T("i"), T(","),      T("^"),
-  T("sin()"), T("cos()"), T("tan()"), T("p"), T("sqrt()"), T("^2"),
+  T("sin()"), T("cos()"), T("tan()"), T("Pi"), T("sqrt()"), T("^2"),
   T("7"), T("8"), T("9"), T("("), T(")"), U(),
   T("4"), T("5"), T("6"), T("*"), T("/"), U(),
   T("1"), T("2"), T("3"), T("+"), T("-"), U(),
diff --git a/poincare/include/poincare/global_context.h b/poincare/include/poincare/global_context.h
index c4285216b..43bb17950 100644
--- a/poincare/include/poincare/global_context.h
+++ b/poincare/include/poincare/global_context.h
@@ -20,6 +20,7 @@ public:
 private:
   int symbolIndex(const Symbol * symbol) const;
   Expression * m_expressions[k_maxNumberOfScalarExpressions];
+  Float m_pi;
 };
 
 #endif
diff --git a/poincare/include/poincare/symbol.h b/poincare/include/poincare/symbol.h
index 6b80bfdd3..694397b09 100644
--- a/poincare/include/poincare/symbol.h
+++ b/poincare/include/poincare/symbol.h
@@ -6,7 +6,8 @@
 class Symbol : public LeafExpression {
 public:
     enum SpecialSymbols : char {
-        Ans = '^'
+        Ans = '^',
+        Pi = '*'
     };
     Symbol(char name);
     ExpressionLayout * createLayout() const override;
diff --git a/poincare/src/expression_lexer.l b/poincare/src/expression_lexer.l
index 2586d2132..ad94d0ad4 100644
--- a/poincare/src/expression_lexer.l
+++ b/poincare/src/expression_lexer.l
@@ -81,7 +81,7 @@ E  { return EE; }
 [A-Zxnt] { poincare_expression_yylval.character = yytext[0]; return SYMBOL; }
 abs { poincare_expression_yylval.expression = new AbsoluteValue(); return FUNCTION; }
 diff { poincare_expression_yylval.expression = new Derivative(); return FUNCTION; }
-ans { poincare_expression_yylval.character = Symbol::Ans; return SYMBOL; }
+ans { poincare_expression_yylval.character = Symbol::SpecialSymbols::Ans; return SYMBOL; }
 exp { poincare_expression_yylval.expression = new Exponential(); return FUNCTION; }
 sin { poincare_expression_yylval.expression = new Sine(); return FUNCTION; }
 cos { poincare_expression_yylval.expression = new Cosine(); return FUNCTION; }
@@ -91,6 +91,7 @@ log { poincare_expression_yylval.expression = new Logarithm(); return FUNCTION;
 root { poincare_expression_yylval.expression = new NthRoot(); return FUNCTION; }
 sum { poincare_expression_yylval.expression = new Sum(); return FUNCTION; }
 product { poincare_expression_yylval.expression = new Product(); return FUNCTION; }
+Pi { poincare_expression_yylval.character = Symbol::SpecialSymbols::Pi; return SYMBOL; }
 \+ { return PLUS; }
 \- { return MINUS; }
 \* { return MULTIPLY; }
diff --git a/poincare/src/global_context.cpp b/poincare/src/global_context.cpp
index 0eefdcac7..baee54faf 100644
--- a/poincare/src/global_context.cpp
+++ b/poincare/src/global_context.cpp
@@ -1,7 +1,9 @@
 #include <poincare/global_context.h>
 #include <assert.h>
+#include <math.h>
 
-GlobalContext::GlobalContext()
+GlobalContext::GlobalContext() :
+  m_pi(Float(M_PI))
 {
   for (int i = 0; i < k_maxNumberOfScalarExpressions; i++) {
     m_expressions[i] = nullptr;
@@ -19,6 +21,9 @@ int GlobalContext::symbolIndex(const Symbol * symbol) const {
 }
 
 const Expression * GlobalContext::expressionForSymbol(const Symbol * symbol) {
+  if (symbol->name() == Symbol::SpecialSymbols::Pi) {
+    return &m_pi;
+  }
   int index = symbolIndex(symbol);
   if (index < 0 || index >= k_maxNumberOfScalarExpressions) {
     return nullptr;
diff --git a/poincare/src/symbol.cpp b/poincare/src/symbol.cpp
index 33aefd4c1..720040800 100644
--- a/poincare/src/symbol.cpp
+++ b/poincare/src/symbol.cpp
@@ -35,6 +35,9 @@ ExpressionLayout * Symbol::createLayout() const {
   if (m_name == SpecialSymbols::Ans) {
     return new StringLayout("ans", 4);
   }
+  if (m_name == SpecialSymbols::Pi) {
+    return new StringLayout("Pi", 4);
+  }
   return new StringLayout(&m_name, 1);
 }