User Keys.

From top left corner to bottom right corner, $\alpha$ - -ed keys:

Princ. Key	Reminder	Function
MTH		(normal MTH)
PRG		(normal PRG )
CST	MODES	(Erable config, for GX only)
EVAL		EXEC
SIN	$\partial$	der1
COS	$\int$	RISCH
$\sqrt{\,}$	$\sqrt{\,}$	SQRT
yx	yx	POWER
1/x	1/x	INVL
$\pm$	pm	CHS
DEL		$\infty$
7	(solve, factor)
8	(exp and ln)
9	(diff. calc.)
$\frac{.}{.}$	$\frac{.}{.}$	DIV1
4	(matrices)
5	(conversions)
6	(arithmetic)
$\times$	$\times$	MULT
1	(basic algebra)
2	(complex)
3	(trigonometry)
-	-	SUBT
SPC		EXPA
+	+	add

Other redefined keys:

• G/GX only: MTH key (runs Erable main menu)
• G/GX only: PRG key (runs a HP48GX main menu)
• CST key: i
• DEL key: X
• right shift-DEL key: $-\infty$
• downarrow key (35.1): calls the Miniwriter. Type:
  35.1 DELKEYS
  if you do not have the Miniwriter installed. If you have JAZZ or TEDVV instead, you may redefine this keystroke by typing:
  { TED 35.1 } STOKEYS
• left shift-downarrow (35.2): calls AGROB followed by SCROLL. Needs eqstk or JAVA. Type:
  35.2 DELKEYS
  if you do not have eqstk or JAVA
• S/SX only: 33.2 (XQ) and 33.3 (XNUM)
• G/GX only: 33.2 (XNUM) and 35.6 (XQ).