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公开(公告)号：US3598973A
公开(公告)日：1971-08-10
申请号：US3598973D
申请日：1969-01-13
Applicant: IBM
Inventor： BROOKS EVERETT G , KAUS ROGERT D
CPC classification number: G07G1/12 , G06Q20/207 , G06Q40/02
Abstract: A computer including a register containing an initially proposed trial value of sales tax for a given actual sales price, a tax matrix to determine the cutoff sales price for that trial tax, a subtractor for determining if the actual sales price is larger than the cutoff sales price, logic elements for repetitively proposing the next higher trial value if the actual sales price is larger, means to use the calculated tax if the actual sales price is not larger, and means to compute the tax as a percentage of the sales price if the highest programmed trial tax is smaller than the actual tax.
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