Put the number into either one. I sometimes wish there was a standalone subtraction operator. This is the only calculator that i've use that functions like a adding machine. For people who are accustomed to a true 10-key, this is the best cordless cal...  Read More

The display is easy to read when the built-in stand is flipped out. Have never had any problems with the solar source and the full-sized keys are a plus. The * have about the same placement, so if you're able to use a ten-key without looking, you can ...  Read More

This one is perfect! This is totally awesome! Great machine. Received it very timely. Truly, my highest recommendation for a professional user.

This is the 3rd one i've purchased. My first one is almost 20 years old and still working beautifully. This product is exactly as stated.

It is also great for just jotting down a phone number while talking with someone. This adding machine is probably 10x-50x faster than your cellphone at arithmetic.

Unless you spend all day crunching numbers, it is a poor choice for your average user. It seems that one has to be incredibly lazy to need a rounding function. Simple subtraction is also tricky as it does not do things as a cheap calculator does.