A Fortran IV Program for Grading Quantitative Analysis Unknowns A Fortran IV program has been developed in order to simplify the grading of quantitative analysis unknowns. I t is written in such a way a3 to he able t o check not only ppt deviation of st,udent exoerimental results from real values but also t o check and to made the student's ealeul* t l o w . Input voncie. of rhe < r d w r ' r avrraw wlur i w 11w rxl,erirwnr, t l ~r,~ndnrd ~ devintim a, ralrulztd liry rlw *twlrnt, the ~w~moalily v i it . ~ l ~ n d > -duliun trd if i ~ d find , the erperimeutnl durv ior esrh determinatim. Tlic p n w s h nwlrd.tIt-: the itudrmr'.: nverace vdur :md .-Inud:ird deviation, makes appropriate comparisons, and assigns a grade accordingly. Output consists of computer calculated data from each determination, average of determinations, standard devisr tion, input data, and grade. The final grade is based on accuracy, preoiaion, and ealoulationel aecuritcv. The Droeram is easilv modified t o encomoase anv eradine xheme desired. I t is ., presentk being applied t o gravi&trio chloride determkations;vbiume
