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Mathematical Examples

This screen demonstrates the use of the "Mathematical calculation of a field" option and how it may be used to produce a "virtual" field's value by performing a mathematical calculation.
Calculate the Gross sales price of a transaction by multiplying the Net sales price by the Current sales tax rate and adding the result to the Gross sales price:
 

 
 DC@P201607         Mathematical calculation of a field                
                                                                       
 File: SALTRN     Sales Transaction file                               
                                                                       
 Virtual field: GRSPRC     Gross sales price                           
                                                                       
 Derive "virtual" field on input from file . . : YES YES, NO           
                                                                       
   C A L C U L A T I O N    S P E C I F I C A T I O N                  
    Value 1     Operation  Value 2        Result                       
    _________      S      0_______     GRSPRC___                   
    NETPRC___      /      100______     *WORKNET01                   
    WORKNET01            SALTAX____     *WORKTAX01                   
    NETPRC___      +      *WORKTAX01     GRSPRC___                   
    _________            _________     _________  +                
                                                                       
                                                                       
 Fnn=Help  Fnn=Exit  Fnn=Cancel  Fnn=Messages  Fnn=Change  Fnn=Delete  
                                                                       
 

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