Programming HP Calculators/Commands/Easter Egg Commands

AMIGOS
Syntax AMIGOS: Details
 * Displays a crossword of people associated with the development of the calculator.

DEMO
Syntax DEMO: Details
 * Gives a demo of all the features of your calculator.

HELPWITH
Syntax HELPWITH : Details
 * Displays help for the command . It is useful when teaching oneself programming, although not useful in programs themselves.

LIBEVAL
Syntax LIBEVAL ; : Details
 * This command allows access to libraries on the calculator. Not many libraries or objects are known, but a short list is provided here:
 * 2;0: Shows you the sources from all the commands of the menu math.
 * 2;149: This command allows the finding of new functions of math.

RULES
Syntax RULES: Details
 * Displays a crossword of the calculator's developers.

SYSEVAL
Syntax SYSEVAL : Details Dangers
 * Can access many functions of the calculator that are otherwise hidden. A short list of some of the working values for is provided below:
 * 171591 A piece of left-over code for 39g users.
 * 151587 Puts the keyboard in ALPHA mode.
 * 151607 Puts the keyboard again in his normal state.
 * 19027 Turns the calculator off.
 * 258091 Let you receive Aplets, Notes, Programmes, lists, matrices from in the homescreen.
 * 258092 Let you send Aplets, Notes, Programmes, lists, matrices from in the homescreen. This function doesn't work well.
 * 258960 Gives the version of METAKERNEL in a grob.
 * 259723 Makes some new menus that surely comes from METAKERNEL.
 * 260385 Tetris for the 39g users.
 * 260387 Dynablaster for the 39/40g users. Press DEL to get out of it.
 * 260243 Built-in Filer for 39/40g users.
 * 259588 + X Clear list X. To clarify, clearing list 0 (L0) would be SYSEVAL 259588, list 1 SYSEVAL 259589, list 2 SYSEVAL 259590 and so on.
 * If you use an incorrect address, there is a high chance that your calculator's memory will be cleared. Be careful while using this command!

VERSION
Syntax VERSION: Details
 * Gives the ROM version of your calculator.

WSLOG
Syntax WSLOG: Details
 * Shows the calculator log.