diff --git a/matematica/eq2grau.py b/matematica/eq2grau.py
new file mode 100644
index 0000000..a498213
--- /dev/null
+++ b/matematica/eq2grau.py
@@ -0,0 +1,21 @@
+import turtle
+
+LARG = 800
+ALT = 600
+
+turtle.setup(LARG, ALT)
+
+def f(x: int) -> int:
+    return -(3/800)*(x**2)+300
+
+turtle.up()
+ini_x = -LARG//2
+ini_y = f(ini_x)
+turtle.goto(ini_x, round(ini_y))
+turtle.down()
+
+for x in range(1-LARG//2, -1+LARG//2):
+    y = f(x)
+    turtle.goto(x, round(y))
+
+turtle.done()