diff --git a/p6/data/data.dat b/p6/data/data.dat
new file mode 100644
index 0000000..8e29a04
--- /dev/null
+++ b/p6/data/data.dat
@@ -0,0 +1,11 @@
+19.1		19.5			50
+22.3		21.5			50
+25.2		22.5			50
+27.5		24.0			50
+30.1		25.5			50
+32.0		27.0			50
+35.1		29.0			50
+38.3		30.5			50
+40.1		32.5			50
+42.6		34.0			50
+45.1		36.5			50
diff --git a/p6/data/data_fit.dat b/p6/data/data_fit.dat
new file mode 100644
index 0000000..6358b09
--- /dev/null
+++ b/p6/data/data_fit.dat
@@ -0,0 +1,7 @@
+30.1		25.5			50
+32.0		27.0			50
+35.1		29.0			50
+38.3		30.5			50
+40.1		32.5			50
+42.6		34.0			50
+45.1		36.5			50
diff --git a/p6/data/puntcritic.dat b/p6/data/puntcritic.dat
new file mode 100644
index 0000000..3f61521
--- /dev/null
+++ b/p6/data/puntcritic.dat
@@ -0,0 +1,2 @@
+#P   T    dP  dT  V
+46.6 37.5 1.5 1.1 50.0