Hi, I have developed a software in c(embedded).I used c51 compiler,8051(ATmel) microprocessor.I programmed to spot billing machines(machines that generate electricity bills) with the software.It is working fine in some machines,whereas in some machines iam getting a grabage value(for TAX column).WE calculate tax. Iam not able to identify the problem.Please give me a suggestion.what would be the problem. thanx in advance.
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