diff --git a/libs/bluemath.js b/libs/bluemath.js
index 5280786..f0c392e 100644
--- a/libs/bluemath.js
+++ b/libs/bluemath.js
@@ -35,13 +35,13 @@ class vector {
 		}
 	}
 
-	add(vec=new vector([...this.d.map(d => 0)]) {
+	add(vec=new vector([...this.d.map(d => 0)])) {
 		vec = vec instanceof vector ? vec : new vector([0]);
 		var longest = vec.d.length > this.d.length ? vec.d : this.d;
 		var shortest = vec.d.length < this.d.length ? vec.d : this.d;
 		return new vector([...longest.map(function (value,index) { 
 			var small = shortest[index];
-			if !isNaN(small) { return value + small; } else { return value; }
+			if (!isNaN(small)) { return value + small; } else { return value; }
 		})]);
 	}
 
@@ -51,7 +51,7 @@ class vector {
 		var shortest = vec.d.length < this.d.length ? vec.d : this.d;
 		return new vector([...longest.map(function (value,index) {
 			var small = shortest[index];
-			if (!isNaN(small) { return value * small; } else { value; }
+			if (!isNaN(small)) { return value * small; } else { value; }
 		})]);
 	}