15.8 SUBTRACT

{ADD|SUBTRACT} [Y|Z] [FROM|TO] [EWEIGHT=n] [WEIGHT=n] {n1|"name1"} [BY] {n2|"name2"|FIT} [AVERAGE|EFFICIENCY[=ON|OFF]] [APPEND[=ON|OFF]] [NAME="name"] [CHECK[=ON|OFF]] [ERROR[=ON|OFF]] [POINTS| COLUMNS=[FROM] n1 [TO] [n2]] [LINES|ROWS=[FROM] n1 [TO] [n2]] [LIMITED [VLOG[=ON|OFF]] [[FROM]|TO [[X=]nx,[[Y=]ny[,[Z=]nz]]] [RECURSOR] [CURSOR] ] [LOG[=ON|OFF]] [VECTOR[=ON|OFF]] This adds or subtracts the (Y/Z) values in data set n2 (from,to) data set n1. The result is a modified set n1.