diff --git a/src/parse.rs b/src/parse.rs
index 7e26c35..9249956 100644
--- a/src/parse.rs
+++ b/src/parse.rs
@@ -5,15 +5,27 @@ pub fn arguments(args_to_process: Vec<String>) {
 }
 
 fn find_operator(argument: String) -> Vec<String> {
-    let mut args_with_operator = Vec::new();
-    let string = Vec::new();
-    for character in argument {
+    let mut args_with_operator: Vec<String> = Vec::new();
+    let mut string = String::new();
+    for character in argument.chars() {
         match character {
-            "+" => args_with_operator.push(string.to_string()),
-            "-" => args_with_operator.push(string.to_string()),
-            "*" => args_with_operator.push(string.to_string()),
-            "/" => args_with_operator.push(string.to_string()),
-            _ => string.push(character),
+            '+' => {
+                args_with_operator.push(string.clone());
+                string.clear()
+            }
+            '-' => {
+                args_with_operator.push(string.clone());
+                string.clear()
+            }
+            '*' => {
+                args_with_operator.push(string.clone());
+                string.clear()
+            }
+            '/' => {
+                args_with_operator.push(string.clone());
+                string.clear()
+            }
+            _ => string.push(character.into()),
         }
     }
     args_with_operator