Talking Jumbo Low Vision Calculator
This Extra Large Talking Calculator is perfect for anyone with low vision issues. With large, high contrast keys, users can easily find the digit they are looking for and a speaker on the front clearly announces numbers. Also, the LCD screen features big, bold numbers. This calculator is as big as a sheet of paper, so you will not have to worry about losing it.
More information: http://www.lssproducts.com/product/jumbo-page-sized-low-vision/calculators