"We have been using the Forcheck program on two large application programs and have found its use very efficient and fast and the results have been extremely useful. I wished we had this program earlier." Charles Stroom, European Space Technology Centre, Noordwijk, the Netherlands. "We have already had the first outrageous reactions on FORCHECK!" Arnoud ten Cate, CABO Wageningen, the Netherlands. "Forcheck has been installed and the users are very enthousiastic." Jan Buitendijk, Staring Centrum, Wageningen, the Netherlands. "FORCHECK does much better in respect of sorting out possible unset variables than most mainframe FORTRAN compilers, which (when they check this at all) nearly all give far too many warnings. In general I am very happy with FORCHECK and find it extremely useful." George Sheldrick, Inst. Anorg. Chemie der Universitaet Goettingen, FRG. "Forcheck saves me much development time and I am very content with it." Bert Klaasen, Physics and Electronics Lab, TNO, The Hague, the Netherlands. "I appreciate your program very much and I hope that it will be developed further and further." Hans Peter Geiger, Zurich, Switzerland "I am using your wonderfull FORCHECK program on a PC. It is really good." Dr.-Ing. Casimir Katz, Advisory Engineer VBI, Switzerland. "We are suitably impressed with the capabilities of Forcheck and intent to recommend its purchase in the near future." A.C. Willes, State Electricity Commission of Victoria, Australia. "We use the program Forcheck with pleasure for the maintenance of our large Fortran applications. It has been already of invaluable service." J. v.d. Spek, Shell International, The Hague, Netherlands.