Under normal use, the handheld system screen does not crack. If excessive pressure is applied or an impact occurs to the hand held screen the LCD screen and/or the system case may crack or be damaged. The Limited Warranty for the handheld system does not cover physical damage, including damage to the LCD screen.
Making the world better, one answer at a time. Katakana was developed by Buddhist monks in the Heian period (794-1185). They were derived from shorthand forms of certain kanji that shared the same pronunciation.
Like hiragana, katakana is a form of Japanese syllabary. Developed in 800 C.E. during the Heian period, katakana consists of 48 characters including 5 nucleus vowels, 42 core syllabograms and 1 coda consonant. Katakana is used transliterate foreign names, the names of foreign places and loan words of foreign origin.