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- L e a r n C H E M 2.0
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- USER'S GUIDE
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- LearnCHEM 2.0 is very easy to use.
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- After running the program a screen with a brief description of the program
- appears. You are asked to wait ten seconds. Then press Enter.
- If you register, you receive registered version which does not force you
- to wait ten seconds and the screen with the description is gone.
- As soon as you get through the above mentioned screen, a menu appears.
- Using the arrows you can choose from the menu which has 4 items -
- periodic table, structural formulae of organic substances, info about the
- program and the QUIT-item. You cannot exit the menu using ESC.
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- PERIODIC TABLE
- After choosing this item a four-colour periodic table appears.
- Using arrows you can "walk" the table and after pressing Enter you will get
- a brief description of the selected element (its symbol, atomic number,
- relative atomic mass, density, melting point, boiling point, electronegativity
- and oxidation states). Pressing ESC you get back to the table.
- The implicit active element is hydrogen. What does thisb mean? When the table
- appears, hydrogen will be drawn in grey color. Press Enter and the description
- of hydrogen appears. Press Escape and you get back to the table.
- Press Right Arrows and Helium turns grey. Now, if you press Enter,
- the descriptions of helium appears. To get back, press ESC.
- If you want to get back to the menu, press ESC.
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- STRUCTURAL FORMULAE OF ORGANIC SUBSTANCES
- This option is a great NEW.
- After choosing thus item a list of organic substances appears.
- Using UP and DOWN arrows you can move and after pressing Enter at the selected
- substances its structural appears.
- Using F7 you can start searching for a specific substance.
- Synonymous names are also included.
- You can even print the structural formulae:
- 1. Before running the LearnCHEM you have to run GRAPHICS.COM from DOS.
- 2. When the structural formula appears on the screen (after your choice from
- menu), switch the printer online and press PrintScreen key.
- Pressing ESC you get back to the list of substances, pressing ESC again gets
- you back to the menu.