MOLWT Version 2.72 Updated utilities for chemical calculations
Do you ever need to do a quick molecular weight calculation from a
chemical formula, or want to know how many grams of Na2SO4.10H2O
are in 100 ml of a 0.076M solution? You can use MOLWT, a new shareware
program, to get instant answers, even at the DOS command-line, and you
can redirect the results to a printer or disk file.
MOLWT272.ZIP contains utilities for simple chemical calculations
There are already some excellent chemical calculation programs,
including CHEMCALC and MOLARMAS. MOLWT is not as versatile as
these, but it is much faster for what it does do, and it needs
a lot less disk space. It will run on any computer that can
use DOS. There isn't a Mac version. Color is used for emphasis,
but the screens are legible on any kind of monitor.
Available by anonymous ftp from simtel.coast.net and from SimTel
mirrors, in the
The file is molwt272.zip. (Note spelling of the directory name!)
Also available from garbo.uwasa.fi in the /pc/science directory,
Dont forget to enter the "binary" command before downloading!
The MOLWT23.ZIP archive contains 5 files:
1. MW.EXE calculates molecular weight from an entered chemical
formula. Can be used at the DOS command line, or interactively.
Use DOS redirection to send results to a comma-delimited
ASCII file. You can build up a database of formulae and their
2. MW.DOC Explains what you do. (Gives more examples etc than
the on-line help system of MW.EXE)
3. SOLUTION.EXE gives concentrations in various units in response to
an entered formula and concentration. This new version is fully
stand-alone, and does not use MW.EXE or make any temporary files.
It can be used at the DOS command line, or interactively. DOS
redirection sends (or appends) the results to an appropriately
formatted text file.
4. SOLUTION.DOC Tells you all about it. (More detail than the
self-documentation and help messages of SOLUTION.EXE)
Note that DOS redirection of MW or SOLUTION does not prevent
the display of results on the screen. These updated versions
also have more unofficial symbol-like abbreviations (for radicals
etc.) than the earlier shareware releases. They no longer end
with messages asking you to pay. The incentive is now the
provision of extra utilities for "registered" users.
5. MOLWT.EXE is a self-executing documentation file, which can be read
on screen or printed in whole or part. It tells you about the MW
and SOLUTION programs, and also about some of the additional utility
programs that are sent to users who pay the small "registration" fee.
Comments and suggestions John A. Kiernan
welcome! Department of Anatomy
Univ. of Western Ontario
LONDON, Canada N6A 5C1
e-mail: kiernan at uwo.ca