The OfficeCalc 300 desktop computer from HP has a good and well thought out features and an elegant design in brushed metal. Unfortunately, the computer has an enormous hook. Hitting the buttons in the center, but in the lower right or left side, the entries will not be accepted if one does not hit hard. During fast typing me often happens. The reason is that the keys are flattened in the lower third. God knows why. Perhaps looks modern. The most significant problem is with the comma key, because you right to the plus key has free space there. I therefore let her go back to my computer, because I thought it was a production error. When replacing computer then the same thing. Absolutely unacceptable that the core function of the computer to accept keystrokes, is unreliable. It's basically a tragedy what is rennomierte manufacturer for problems with their desktop computers afford partially. When expensive CASIO RT-7000 to read here regularly to be clamped, jelly-like buttons.