A great way to save money from your school budget is to minimize the need for printed handouts. One way you can achieve this is through the introduction of QR Codes into your classroom. If you need to create a QR Code on the fly look no further than Mobile Barcoder a Firefox add-on (also available for Chrome). This add-on allows you to create QR codes from any webpage displayed on your browser. The generated code can then be saved as an image or displayed on your classroom projection screen. Students or colleagues can then scan it or take a picture of it for later use.
Mobile Barcoder Demo
What is a QR Code?