This message announces the availability of Scheme release scm5e4. SCM conforms to Revised^5 Report on the Algorithmic Language Scheme and the IEEE P1178 specification. SCM is written in C and runs under Amiga, Atari-ST, MacOS, MS-DOS, OS/2, NOS/VE, Unicos, VMS, Windows, Unix, and similar systems. SCM is free software. It is released under the GNU Public License (GPL) with an exception allowing it to be linked with non-GPL programs (see http://swiss.csail.mit.edu/~jaffer/SCM_LICENSE). Documentation and distributions in several formats are linked from SCM's home page: http://swiss.csail.mit.edu/~jaffer/SCM SCM source is available from: http://swiss.csail.mit.edu/ftpdir/scm/scm5e4.zip ftp://swiss.csail.mit.edu//pub/scm/scm5e4.zip http://swiss.csail.mit.edu/ftpdir/scm/scm-5e5-1.src.rpm ftp://swiss.csail.mit.edu//pub/scm/scm-5e5-1.src.rpm Also available as i386 binary RPM: http://swiss.csail.mit.edu/ftpdir/scm/scm-5e5-1.i386.rpm ftp://swiss.csail.mit.edu//pub/scm/scm-5e5-1.i386.rpm SLIB is a portable Scheme library which SCM uses: http://swiss.csail.mit.edu/ftpdir/scm/slib3a5.zip ftp://swiss.csail.mit.edu//pub/scm/slib3a5.zip Also available as RPM: http://swiss.csail.mit.edu/ftpdir/scm/slib-3b1-1.noarch.rpm ftp://swiss.csail.mit.edu//pub/scm/slib-3b1-1.noarch.rpm JACAL is a symbolic math system written in Scheme: http://swiss.csail.mit.edu/ftpdir/scm/jacal1b8.zip ftp://swiss.csail.mit.edu//pub/scm/jacal1b8.zip WB is a disk based, sorted associative array (B-tree) library for SCM. Using WB, large databases can be created and managed from SCM. http://swiss.csail.mit.edu/ftpdir/scm/wb2a1.zip ftp://swiss.csail.mit.edu//pub/scm/wb2a1.zip http://swiss.csail.mit.edu/ftpdir/scm/wb-2a2-1.src.rpm ftp://swiss.csail.mit.edu//pub/scm/wb-2a2-1.src.rpm Also available as i386 binary RPM: http://swiss.csail.mit.edu/ftpdir/scm/wb-2a2-1.i386.rpm ftp://swiss.csail.mit.edu//pub/scm/wb-2a2-1.i386.rpm FreeSnell is a program to compute optical properties of multilayer thin-film coatings: http://swiss.csail.mit.edu/ftpdir/scm/FreeSnell-1b7.zip ftp://swiss.csail.mit.edu//pub/scm/FreeSnell-1b7.zip SIMSYNCH is a digital logic simulation system written in SCM. http://swiss.csail.mit.edu/ftpdir/scm/synch1b0.zip ftp://swiss.csail.mit.edu//pub/scm/synch1b0.zip XSCM is a X windows interface package which works with SCM: http://swiss.csail.mit.edu/ftpdir/scm/xscm-2.01.tar.gz ftp://swiss.csail.mit.edu//pub/scm/xscm-2.01.tar.gz TURTLSCM is a turtle graphics package which works with SCM on MS-DOS or X11 machines: http://swiss.csail.mit.edu/ftpdir/scm/turtlegr.tar.gz ftp://swiss.csail.mit.edu//pub/scm/turtlegr.tar.gz #! implements "#!" (POSIX) shell-scripts for MS-DOS batch files. http://swiss.csail.mit.edu/ftpdir/scm/sharpbang.zip ftp://swiss.csail.mit.edu//pub/scm/sharpbang.zip http://swiss.csail.mit.edu/ftpdir/scm/#!.zip ftp://swiss.csail.mit.edu//pub/scm/#!.zip SLIB-PSD is a portable debugger for Scheme (requires emacs editor): http://swiss.csail.mit.edu/ftpdir/scm/slib-psd1-3.tar.gz ftp://swiss.csail.mit.edu//pub/scm/slib-psd1-3.tar.gz SMG-SCM is an SMG interface package which works with SCM on VMS. http://swiss.csail.mit.edu/ftpdir/scm/smg-scm2a1.zip ftp://swiss.csail.mit.edu//pub/scm/smg-scm2a1.zip MacSCM is a Macintosh applications building package which works with SCM (similar to XSCM). http://swiss.csail.mit.edu/ftpdir/scm/macscm.tar.Z ftp://swiss.csail.mit.edu//pub/scm/macscm.tar.Z Programs for printing and viewing TexInfo documentation (which SCM has) come with GNU Emacs or can be obtained via ftp from: ftp://ftp.gnu.org/pub/gnu/texinfo/texinfo-4.8.tar.gz