| 摘要 |
A visual indicating system for displaying within a vehicle distance traveled per quantity of fuel used by the vehicle's liquid fuel consuming engine. The system includes a fuel quantity and a distance traveled transducer each of which feeds electrical signals to a computer. The computer calculates a value of distance traveled per quantity of fuel used and records the calculated value a number of times n, adds the total number of values recorded and divides by n. The number 5 is chosen as an ideal value for n. The quotient is then visually displayed. The computer continues to calculate new values of distance traveled per quantity of fuel used. After each new calculation (when 5 is used for n) 4 displayed values are added to the new calculated value, the sum is divided by 5 and the quotient is visually displayed. This may also be done by storing all the inputs n in a single register with the new value added to the register and the most recently displayed value subtracted from the register and then divide the total value in the register by n to acquire a new value for display. Various other modifications and methods are disclosed.
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