1. An apparatus for the input of symbols, comprising: a plurality of keys for inputting symbols, said plurality of keys having both: a) a digit, and b) at least one punctuation symbol assigned to the keys, said keys characterized in that, for each key having a digit and a punctuation symbol assigned to it: the punctuation symbols and digits are overlapped in fonts and the at least one punctuation symbol associated with the key is morphically similar to the digit assigned to the key, wherein the at least one punctuation symbol is assigned to the key based upon at least the punctuation symbol being morphically similar to the digit assigned to the key, such that: the punctuation symbol and digit occupy substantially the same keypad surface real estate when the punctuation symbols and digits are overlapped in fonts, wherein said at least one punctuation symbol and said digit being presented at a same time.