CIRCUIT SYMBOL PREPARING SYSTEM

PROBLEM TO BE SOLVED: To provide a circuit symbol preparing system by which the man-hour of circuit parts symbol preparation is reduced and the quality of the preparation is improved. SOLUTION: The system is provided with a parts defining means 5 for setting the number of pins in a circuit parts symbol and the name of the symbol, a pin information defining means 6 for setting the pin number, the pin name and the characteristic of the circuit parts symbol and a shape defining means 7 for setting the shape of the symbol and assigning the set pin number and the pin name to the symbol. When the pin number or the pin name is changed in one of the means 6 or 7, the pin number or the pin name is changed in the other means by linking with it.