diff --git a/src/core/lib/Binary.mjs b/src/core/lib/Binary.mjs
index 4e41d2a1..96a870ec 100644
--- a/src/core/lib/Binary.mjs
+++ b/src/core/lib/Binary.mjs
@@ -19,31 +19,37 @@ import OperationError from "../errors/OperationError.mjs";
  * @returns {string}
  *
  * @example
- * // returns "00010000 00100000 00110000"
+ * // returns "00001010 00010100 00011110"
  * toBinary([10,20,30]);
  *
- * // returns "00010000 00100000 00110000"
- * toBinary([10,20,30], ":");
+ * // returns "00001010:00010100:00011110"
+ * toBinary([10,20,30], "Colon");
+ *
+ * // returns "1010:10100:11110"
+ * toBinary([10,20,30], "Colon", 0);
  */
 export function toBinary(data, delim="Space", padding=8) {
+    if (data === undefined || data === null)
+        throw new OperationError("Unable to convert to binary: Empty input data enocuntered");
+
     delim = Utils.charRep(delim);
     let output = "";
 
     if (data.length) { // array
         for (let i = 0; i < data.length; i++) {
-            output += data[i].toString(2).padStart(padding, "0") + delim;
+            output += data[i].toString(2).padStart(padding, "0");
+            if (i !== data.length - 1) output += delim;
         }
     } else if (typeof data === "number") { // Single value
         return data.toString(2).padStart(padding, "0");
     } else {
         return "";
     }
-
     if (delim.length) {
-        return output.slice(0, -delim.length);
-    } else {
-        return output;
+        // Remove the delimiter from the end of the string.
+        output = output.slice(0, -delim.length);
     }
+    return output;
 }
 
 
@@ -57,10 +63,10 @@ export function toBinary(data, delim="Space", padding=8) {
  *
  * @example
  * // returns [10,20,30]
- * fromBinary("00010000 00100000 00110000");
+ * fromBinary("00001010 00010100 00011110");
  *
  * // returns [10,20,30]
- * fromBinary("00010000:00100000:00110000", "Colon");
+ * fromBinary("00001010:00010100:00011110", "Colon");
  */
 export function fromBinary(data, delim="Space", byteLen=8) {
     if (byteLen < 1 || Math.round(byteLen) !== byteLen)
diff --git a/src/core/operations/ToUpperCase.mjs b/src/core/operations/ToUpperCase.mjs
index 0bc9b5a9..08ffce87 100644
--- a/src/core/operations/ToUpperCase.mjs
+++ b/src/core/operations/ToUpperCase.mjs
@@ -37,24 +37,27 @@ class ToUpperCase extends Operation {
      * @returns {string}
      */
     run(input, args) {
+        if (!args || args.length === 0) {
+            throw new OperationException("No capitalization scope was provided.");
+        }
         const scope = args[0];
-
-        switch (scope) {
-            case "Word":
-                return input.replace(/(\b\w)/gi, function(m) {
-                    return m.toUpperCase();
-                });
-            case "Sentence":
-                return input.replace(/(?:\.|^)\s*(\b\w)/gi, function(m) {
-                    return m.toUpperCase();
-                });
-            case "Paragraph":
-                return input.replace(/(?:\n|^)\s*(\b\w)/gi, function(m) {
-                    return m.toUpperCase();
-                });
-            case "All": /* falls through */
-            default:
-                return input.toUpperCase();
+        if (scope === "All") {
+            return input.toUpperCase();
+        }
+        const scopeRegex = {
+            "Word": /(\b\w)/gi,
+            "Sentence": /(?:\.|^)\s*(\b\w)/gi,
+            "Paragraph": /(?:\n|^)\s*(\b\w)/gi
+        }[ scope ];
+        if (scopeRegex !== undefined) {
+            // Use the regexes to capitalize the input.
+            return input.replace(scopeRegex, function(m) {
+                return m.toUpperCase();
+            });
+        }
+        else {
+            // The selected scope was invalid.
+            throw new OperationError("Unrecognized capitalization scope");
         }
     }