diff --git a/calculator/js/script.js b/calculator/js/script.js
index b0b437d..069a743 100644
--- a/calculator/js/script.js
+++ b/calculator/js/script.js
@@ -89,7 +89,7 @@ function handleOperation() {
         ops.clear();
         return;
     }
-    result = result.toPrecision(3);
+    result = roundThreeDecimals(result);
     updateDisplay(result);
     ops.firstNum = result;
     ops.secondNum = String();
@@ -106,6 +106,15 @@ function updateDisplay(displayValue) {
     display.textContent = displayValue;
 }
 
+function roundThreeDecimals(number) {
+    if (!Number.isInteger(number) && Number.isFinite(number)
+    ) {
+        return parseFloat(number.toPrecision(3));
+    } else {
+        return number;
+    }
+}
+
 function handleOperatorClick(operatorClicked) {
     
     // TODO handle ops for = or clear
@@ -176,4 +185,4 @@ function percentageNumber() {
 
 buttons.forEach(btn => {
     btn.addEventListener('click', calculator);
-});
\ No newline at end of file
+});