diff --git a/chart.png b/chart.png
new file mode 100644
index 0000000..d06f379
Binary files /dev/null and b/chart.png differ
diff --git a/inp.txt b/inp.txt
new file mode 100644
index 0000000..adcf042
--- /dev/null
+++ b/inp.txt
@@ -0,0 +1,5 @@
+x**2
+1
+0.0001
+0.1
+