Mr. Pen- Standard Function Calculator, 12 Digits, Small Calculator, Solar

This is great. Small but works very well and can just throw it in the bag and go about my day.

I am taking a microbiology class and needed a calculator that I would be okay getting E. Coli on. My other qualifier is that it had to be in my favorite color. I was surprised that this came packaged with a handwritten note thanking me for my purchase. That’s classic.It’s what you would expect from a simple, solar-powered calculator.Cute, compact, and inexpensive just in case anything unsavory drips onto it.I was a little confused that the commas were at the top of the numbers rather than at the bottom but that doesn’t bother me at all.Recommended for simple quick maths.

The calculator is a convenient size and worked right away out of the box. Perfect for simple math functions.Note: anyone using this with students or curious populations, the device can come apart easily. I teach in an alternative school and one student dismantled the calculator within a few minutes and removed the metal cover. I've not had that problem with other plastic calculators.

Works well and is small

Great product for our special needs son at a wonderful price! He loves it and so do we. This product was created by a group of teachers and they back their product.

Besides buttons being in the wrong spot works pretty well.

I really like this calculator.

What a find! A 12-digiit calculator that's pocket-sized! And with a backspace key, that makes error correction easy! The price was also terrific. I also liked the color (blue). The 12 digits span the whole width of the display, unlike in most calculators, where there's a blank space on the left side. There was one minor flaw, though, both the "AC" key and the "C" key were labelled "AC," unlike in the photo, although they function properly.