diff --git a/src/function.rs b/src/function.rs
index 4c820f6..3908fac 100644
--- a/src/function.rs
+++ b/src/function.rs
@@ -168,7 +168,7 @@ impl FunctionEntry {
 		width_changed: bool, settings: AppSettings,
 	) -> f64 {
 		let resolution: f64 = pixel_width as f64 / (max_x.abs() + min_x.abs());
-		let resolution_iter = resolution_helper(pixel_width, min_x, resolution);
+		let resolution_iter = resolution_helper(pixel_width + 1, min_x, resolution);
 
 		// Makes sure proper arguments are passed when integral is enabled
 		if self.integral && settings.integral_changed {
diff --git a/src/misc.rs b/src/misc.rs
index e1b8912..359e3b6 100644
--- a/src/misc.rs
+++ b/src/misc.rs
@@ -227,7 +227,7 @@ pub fn newtons_method(
 // Returns a vector of length `max_i` starting at value `min_x` with resolution
 // of `resolution`
 pub fn resolution_helper(max_i: usize, min_x: f64, resolution: f64) -> Vec<f64> {
-	(0..=max_i)
+	(0..max_i)
 		.map(|x| (x as f64 / resolution as f64) + min_x)
 		.collect()
 }