If you're curious about how storage and environmental conditions may affect your photographs, you may be interested in this tool. Provided by the Rochester Institute of Technology's Image Permanence Institute, the Preservation Calculator will help you make informed decisions about photo, negative and album storage. The Preservation Calculator runs with Microsoft Windows^® 95 and later. Click here to download the Preservation Calculator. Note that cold storage will increase the life expectancy of infrequently accessed photographic materials; however, these materials must then be protected from condensation. Consult a professional conservator for more details.