Microcomputerized electronic postage meter system

A micro computerized postage meter, comprising:

• a microcomputer set including a processor unit operative in accordance with a postage meter program, and a memory containing ascending and descending postage meter registers;
• a keyboard operatively connected to said processor unit for introducing information and data into said microcomputer set;
• and
• a postage printing means operatively connected to said processor unit for printing postage in accordance with information and data introduced into said microcomputer set through said keyboard.

A micro computerized postage meter, comprising:

• a microcomputer set including a processor unit operative in accordance with a postage meter program, said program containing a base postage generating routine and a routine for adding an additional postage value to the base postage value;
• a postage printing means operatively connected to said processor unit for printing postage in accordance with said postage meter program;
• and
• a keyboard operatively connected to said processor unit for introducing information and data into said microcomputer set, said keyboard having means for invoking the routine for adding an additional postage value to said base postage value, whereby said postage printing means will print postage of a value comprising said base postage and said additional postage.