diff --git a/examples/javascript/mma7660.js b/examples/javascript/mma7660.js
index 5a9e4b52..32b419f1 100644
--- a/examples/javascript/mma7660.js
+++ b/examples/javascript/mma7660.js
@@ -29,9 +29,8 @@ var digitalAccelerometer = require('jsupm_mma7660');
 
 // Instantiate an MMA7660 on I2C bus 0
 var myDigitalAccelerometer = new digitalAccelerometer.MMA7660(
-						digitalAccelerometer.MMA7660_I2C_BUS, 
-						digitalAccelerometer.MMA7660_DEFAULT_I2C_ADDR
-						);
+					digitalAccelerometer.MMA7660_I2C_BUS, 
+					digitalAccelerometer.MMA7660_DEFAULT_I2C_ADDR);
 
 // place device in standby mode so we can write registers
 myDigitalAccelerometer.setModeStandby();
@@ -42,28 +41,31 @@ myDigitalAccelerometer.setSampleRate(digitalAccelerometer.MMA7660.AUTOSLEEP_64);
 // place device into active mode
 myDigitalAccelerometer.setModeActive();
 
+var x, y, z;
+x = digitalAccelerometer.new_intp();
+y = digitalAccelerometer.new_intp();
+z = digitalAccelerometer.new_intp();
+
+var ax, ay, az;
+ax = digitalAccelerometer.new_floatp();
+ay = digitalAccelerometer.new_floatp();
+az = digitalAccelerometer.new_floatp();
+
+var outputStr;
+
 var myInterval = setInterval(function()
 {
-	var x, y, z;
-	x = digitalAccelerometer.new_intp();
-	y = digitalAccelerometer.new_intp();
-	z = digitalAccelerometer.new_intp();
-
 	myDigitalAccelerometer.getRawValues(x, y, z);
-	var outputStr = "Raw values: x = " + digitalAccelerometer.intp_value(x) +
+	outputStr = "Raw values: x = " + digitalAccelerometer.intp_value(x) +
 	" y = " + digitalAccelerometer.intp_value(y) +
 	" z = " + digitalAccelerometer.intp_value(z);
 	console.log(outputStr);
 
-	var ax, ay, az;
-	ax = digitalAccelerometer.new_floatp();
-	ay = digitalAccelerometer.new_floatp();
-	az = digitalAccelerometer.new_floatp();
-
 	myDigitalAccelerometer.getAcceleration(ax, ay, az);
-	outputStr = "Acceleration: x = " + roundNum(digitalAccelerometer.floatp_value(ax), 6) +
-	"g y = " + roundNum(digitalAccelerometer.floatp_value(ay), 6) +
-	"g z = " + roundNum(digitalAccelerometer.floatp_value(az), 6) + "g";
+	outputStr = "Acceleration: x = " 
+		+ roundNum(digitalAccelerometer.floatp_value(ax), 6)
+		+ "g y = " + roundNum(digitalAccelerometer.floatp_value(ay), 6) 
+		+ "g z = " + roundNum(digitalAccelerometer.floatp_value(az), 6) + "g";
 	console.log(outputStr);
 }, 500);
 
@@ -71,13 +73,26 @@ var myInterval = setInterval(function()
 function roundNum(num, decimalPlaces)
 {
 	var extraNum = (1 / (Math.pow(10, decimalPlaces) * 1000));
-	return (Math.round((num + extraNum) * (Math.pow(10, decimalPlaces))) / Math.pow(10, decimalPlaces));
+	return (Math.round((num + extraNum) 
+		* (Math.pow(10, decimalPlaces))) / Math.pow(10, decimalPlaces));
 }
 
 // When exiting: clear interval and print message
 process.on('SIGINT', function()
 {
 	clearInterval(myInterval);
+
+	// clean up memory
+	digitalAccelerometer.delete_intp(x);
+	digitalAccelerometer.delete_intp(y);
+	digitalAccelerometer.delete_intp(z);
+
+	digitalAccelerometer.delete_floatp(ax);
+	digitalAccelerometer.delete_floatp(ay);
+	digitalAccelerometer.delete_floatp(az);
+
+	myDigitalAccelerometer.setModeStandby();
+
 	console.log("Exiting...");
 	process.exit(0);
 });