Courtesy of CRC Press/Taylor & Francis Group
Mental Mental MentalModel
AND OR NOT
Model Model
014x001.eps
Courtesy of CRC Press/Taylor & Francis Group
Please
Walk up one floor
Walk down two floors
For improved elevator service
If you are only going
up one floor
or
(b)
(a)
(d)
Notice
When going up
one floor
014x002.eps
Courtesy of CRC Press/Taylor & Francis Group
Current icons Abstract icons
Copy
Copy
014x003.eps
Courtesy of CRC Press/Taylor & Francis Group
Icon/function Icon/function
Open file
(a) (b)
Save
Print
Insert drawing
Show/hide characters
Tip wizard
014×004.eps
Courtesy of CRC Press/Taylor & Francis Group
(a)
(b)
014x005.eps
Courtesy of CRC Press/Taylor & Francis Group
014x006.tif
Courtesy of CRC Press/Taylor & Francis Group
014x0 07.tif