HP 3000 Manuals

HP TRANSACT Quick Reference Guide

LET 

LET destination-variable =

arithmetic-expression[,ERROR=label[([item-name])]];

     DESTINATIONS 
     (item-name[(subscript)])
     LINE              - Value of the line counter
     OFFSET(item-name) - The offset of a child item
     PAGE              - Value of the page counter
     PLINE             - Line counter for printer output
     STATUS            - Value of the status register
     TLINE             - Line counter for terminal output

     ARITHMETIC EXPRESSION 
     [-]source1 [operator source2]...[operator sourcen]

     SOURCES 
     (item-name[(subscript)])
     number 
     LINE
     OFFSET(item-name)
     PAGE
     PLINE
     STATUS
     TLINE
     function 

     FUNCTIONS 
     ASCII(item-name[(subscript)]|"character-string")
     LENGTH(item-name[(subscript)]|"character-string")
     LN(item-name[(subscript)]|number)
     LOG(item-name[(subscript)]|number)
     POSITION(item-name1[(subscript)]|"character-string",
              item-name2[(subscript)]|"character-string")
     SQRT(item-name[(subscript)]|number)
     VALUE(item-name[(subscript)]|"character-string")

     OPERATORS 
     +
     -
     *
     /
     //
     **

Example 

     LET (ONHAND)=(ONHAND)-(QTY);

     LET (S-LENGTH) = LENGTH(STRING);

MPE/iX 5.5 Documentation