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Company Announcements
Watch this space for updates on the “Practice Chem Online”
project. ECS is currently producing “S.E.N.A.C.A. Times”.
- 1999 10 14 Version 1.0 put online, shows the concept works
- 1999 11 10 Database for OnLine Testing updated to 42 items, 4 topics
- 2002 07 24 Version 2.0 ASP script updated to produce randomly generated quizzes.
- 2002 08 02 Version 2.1a ASP script tightened up to accommodate larger numbers of records and increase performance. Database
updated to include over 200 items on the topic “Acids and Bases”
- 2002 10 24 activated an account with PayPal, set January 2003 as the goal for starting the “Practice Chem Online” service, also exploring services
for Physics and Biology
- 2002 10 24 added 163 Bonding, 125 Atomic Structure and 60 Solutions test items
- 2002 10 30 modified the look of the ECS site to reflect the new emphasis of the business - Education
- 2002 11 20 Added 185 Chemical Reactions, 29 Guest, 27 CIC Exam, and 8 Solutions items, the total number of items in the
database is now 832. Inserted symbols to tidy up chemical reactions and data entries. Modified the selection to include the “Guest” category in preparation for introducing PayPal payments for the service.
- 2002 11 26 Added PDF file of Chemical Tables for use when answering the questions. The tables are those used with the
International Baccalaureate exams. Also introduced a free service for users finding errors in any of the questions e.g. wrong answers, or spelling and formatting problems.
- 2003 01 24 Finished the programming for setting up the paid service using PayPal and personal cheques. Users can now pay for
the service online with PayPal, create an account with ECS and then proceed to use the service all in the same session.
- 2003 02 03 added 139 Organic items, these items required the greatest amount of time so far because of the requirement to draw
all the organic structures. The database now totals almost 1200 items.
- 2003 02 04 added hints for using the service to learn or to test knowledge and thinking skills in High School Chemistry. Also
modified the index of the topics covered so it is easier to move about a very long page.
- 2003 02 24 added 145 Periodic Table items.
- 2006 01 09 added a Bulletin Board for Chemistry teachers and their students to discuss their understandings of Chemistry topics
and how they might be taught. Click here to participate in this new service, it is free.
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