Excerpt: It was not what I needed. It would not perform the function I needed it to perform. I wasted a lot of time and could not get it to do the calculation. It had the buttons on there but would not do the calculation. It worked like a regular calculator and it kept running into errors. So thats why I returned it. This product does not perform well for a high school Kid. I need a dependable equipment.
Excerpt: This is a good investment, not only for economic reasons but for educational, personal and business use. I purchased this for my granddaughter's geometry class homework, but it has also helped me determine angles and measurements for projects around the house and property. for example, I needed to build little platforms for the front tires of our motor home that would allow me to park out motor home in a level position on our sloping driveway.