7.8 Toolbar (Alg\en\Jacal) 

Figure 7.7 The toolbar Alg\en\Jacal (general purpose CAS).

7.8.1 Description of the buttons 

1.   JACAL  : launches the JACAL program.
2.   SCHEME  : launches the interpreter scm.exe of the Scheme language.
3.   EMACS/ast  : launches the Emacs program for Windows from the directory ASTEXDIR (necessary to use the button Ejacal ).
4.   Ejacal  : launches Jacal in a shell of Emacs. Emacs must be already open. The command sent to the shell is runprg.bat jacal.
5.   << Doc>>  : marker of the group of buttons << Documentation>>. This button doesn't execute any action, it serves just as visual separator between the groups of buttons.
6.   Web site  : displays the site of Jacal in the default web browser.
7.   Loc web  : displays a local copy of the site of Jacal in the default web browser.
8.   Man Jacal  : displays the user's manual of Jacal.
9.   Man Scheme  : displays the user's manual of Scheme.
10.   << Tests com>>  : marker of the group of buttons << Tests communs>>. This button doesn't execute any action, it serves just as visual separator between the groups of buttons.
11.   1+2  : add 1 and 2 in Jacal.
12.   2*3  : multiply 2 by 3 in Jacal.
13.   2^10  : calculate 2 to the power 10 in Jacal.
14.   1/3+3/4  : add two fractions in Jacal.
15.   100 !  : calculate the factorial of 100 in Jacal.
16.   Quit  : quit the Jacal program.
17.   << Tests spec>>  : marker of the group of buttons << Tests specific to the program>>. This button doesn't execute any action, it serves just as visual separator between the groups of buttons.
18.   factor  : factorise a fraction into a quotient of prime numbers.
19.   << Tests btns>>  : marker of the group of buttons << Buttons under test>>. This button doesn't execute any action, it serves just as visual separator between the groups of buttons.
20.   diff  : calculate a derivative.
21.   1+2 ?  : calculate 1+2 with another end of command than in the button 1+2 of the common tests.

7.8.2 Test of the buttons 

Under Windows 2000:

• The common tests buttons don't work in a window of command cmd.exe : a sequence of lines with one character \ per line appears, instead of the commands.
• In a shell of Emacs, the 6 common tests and the specific test work.
• The command window closes itself when quitting Jacal by typing the command quit();