HP 300s Scientific Calculator - Manual (Page 7)

About this Manual
• The  mark indicates an example that uses Math
format, while the  mark indicates Linear format. For
details about input/output formats, see “Specifying the
Input/Output Format.”
• Keycap markings indicate what a key inputs or what
function it performs.
Example:
 , , , , ,  etc.
• Press the  or  key followed by a second key
performs the alternate function of the second key. The
alternate function is indicated by the text printed above
they key.
• The following shows what the different colors of the
alternate function key text mean.
• The following shows an example of how an alternate function
operation is represented in this User Guide.
Example:   (sin -1 )  
“sin” indicates the function that is accessed by the key
operation (
  ) before it. Note that this is not part of
the actual key operation you perform.
• The following shows an example of how a key operation to
select an on-screen menu item is represented in this User
Guide.
Example:
 (Setup)
“Setup” indicates the menu item that is selected by the
number key operation (
 ).
If key marking text is
this color: It means this:
Blue Press  and then the key to access the
applicable function.
Orange Press  and then the key to input the
applicable variable, constant, or symbol.