diff --git a/src/builtins/bitwise/bitwise.ts b/src/builtins/bitwise/bitwise.ts
new file mode 100644
index 0000000..23ff8c2
--- /dev/null
+++ b/src/builtins/bitwise/bitwise.ts
@@ -0,0 +1,15 @@
+// calculates bitwise 'AND' of given two inputs x and y
+function bitwise_and(x: bigint, y: bigint): bigint {
+  return x & y;
+}
+
+// calculates bitwise 'OR' of given two inputs x and y
+function bitwise_or(x: bigint, y: bigint): bigint {
+  return x | y;
+}
+
+// calculates bitwise 'XOR' of given two inputs x and y
+function bitwise_xor(x: bigint, y: bigint): bigint {
+  return x ^ y;
+}
+
diff --git a/src/tests.ts b/src/tests.ts
index 4e6366f..0c4a9cc 100644
--- a/src/tests.ts
+++ b/src/tests.ts
@@ -95,3 +95,19 @@ function testRunner() {
 
   test.finish();
 }
+
+function testBitwiseOperations(): void {
+  Logger.log(bitwise_operations(BigInt(0), BigInt(0)).toString());
+  Logger.log(bitwise_operations(BigInt(31), BigInt(0)).toString());
+  Logger.log(bitwise_operations(BigInt(0), BigInt(31)).toString());
+  Logger.log(bitwise_operations(BigInt(31), BigInt(31)).toString());
+  Logger.log(bitwise_operations(BigInt(31), BigInt(1)).toString());
+  Logger.log(bitwise_operations(BigInt(31), BigInt(30)).toString());
+  //Expect :
+  // [0, 0, 0]
+  // [0, 31, 31]
+  // [0, 31, 31]
+  // [31, 0, 31]
+  // [1, 30, 31]
+  // [30, 1, 31]
+}
diff --git a/src/ui/Code.ts b/src/ui/Code.ts
index a26932e..943e443 100644
--- a/src/ui/Code.ts
+++ b/src/ui/Code.ts
@@ -69,6 +69,41 @@ function PEDERSEN(x: number | string, y: number | string): number | string {
   return pedersen(BigInt(x), BigInt(y)).toString(16);
 }
 
+/**
+ * Provides custom function for bitwise 'and' for given two inputs.
+ *
+ * @param {number} x - one of the input for 'and' operation
+ * @param {number} y - the other input for 'and' operation
+ * @return The bitwise 'and' of two given inputs in bigint form.
+ * @customfunction
+ */
+function BITWISE_AND(x: number, y: number): bigint {
+  return bitwise_and(BigInt(x), BigInt(y));
+}
+
+/**
+ * Provides custom function for bitwise 'xor' for given two inputs.
+ *
+ * @param {number} x - one of the input for 'xor' operation
+ * @param {number} y - the other input for 'xor' operation
+ * @return The bitwise 'xor' of two given inputs in bigint form.
+ * @customfunction
+ */
+function BITWISE_XOR(x: number, y: number): bigint {
+  return bitwise_xor(BigInt(x), BigInt(y));
+}
+
+/**
+ * Provides custom function for bitwise 'or' for given two inputs.
+ *
+ * @param {number} x - one of the input for 'or' operation
+ * @param {number} y - the other input for 'or' operation
+ * @return The bitwise 'or' of two given inputs in bigint form.
+ * @customfunction
+ */
+function BITWISE_OR(x: number, y: number): bigint {
+  return bitwise_or(BigInt(x), BigInt(y));
+
 function EC_OP(
   m: number | string,
   p: AffinePoint,
diff --git a/src/vm/vm.ts b/src/vm/vm.ts
index 1d48f3d..31be2c8 100644
--- a/src/vm/vm.ts
+++ b/src/vm/vm.ts
@@ -296,7 +296,6 @@ function runUntilPc(): void {
   runSheet.getRange(`${executionColumn}2`).setValue(FINAL_FP);
   runSheet.getRange(`${executionColumn}3`).setValue(FINAL_PC);
   while (!(pc === FINAL_PC)) {
-    console.log(i);
     step(i);
     i++;
     pc = runSheet.getRange(`${pcColumn}${i + 1 + 1}`).getValue();