EnCalcGU

EnCalcGU calculates the cost of gas use based on meter readings and forward prediction based on the readings and elapsed time. The results can be saved to a log file. EnCalcGU copes with different charging rates for gas at different times of day, alternative rates based on a threshold, varying tax rates, fixed charges and discounts. Also calculates the amount of CO2 generated. Requires a registration code (free for personal non commercial use).