HP 48G - Page 64

Name (keyboard access) Description
Pi=+C (Pre)METSENT)GEEIN) Pixel coord.*user units.
+) (qfsymeouic)vxT)EIEM) Rationalize argument.
0T (9 EXrhill) Rationalize with rtfactor.
QR (MTH AL TSNETIN) Factor the given matrix,
A, into 3 other matrices, Q, R, and P, such thatA x P =
QO x R; R is upper-trapezoidal, and Q is orthogonal.
QUARD Solve expr, for name, using
2nd-deg. Taylor expans. to convert expr, to quadratic.
RIOTE (& symBoLicINxTINxT)EETTTEM) Unevaluated arg.
RAD (RAD) Set Radians mode.
RAND (TR AL Get pseudo-random #.
RANK % Rank of matrix.
RANM (MTH LR EELTE) Create random mat.
RATIO (must be typed) Algebraic form of ~ (division)
function.
RCEQ (qlpcom)IIEEZM) Recall contents of EQ.
RCI (vin (REIAIGTENEGEN) Multiply indicated row
n of array, by factor (note that vectors are treated as col-
umn matrices). ;
RCIJ (v REAKTTRIEERE) Multiply row i of giv-
en array, by factor, then add result to row j (note that
vectors are treated as column matrices).
RCL (2JRcL) Recall named object to stack.
RCLALARM (o mve EIMAZIEEE) Recall given alarm;
result has action taken & inrerval in ticks (1/8192 sec).
RCLF (&JMoDES) Recall flags.
RCLKEYS (&) MoDES) Y E) Rcl. assigned keys.
RCLMENU ()vooes)[sEETMENNED) Rcl. current menu.
RCLE (9 LI ETIE) Recall ZDAT.
RCWS (vTR)ETEE Rel. curr. bin. wordsize.
ROM (MTH) RITAANATEN) Redimension array,
as specified (if array, is named, nothing is returned).
ROZ (nere) (vxT) G M) New seed for RAND.
RE (MTH)(NxT) (MEEYWIET3M) Real part of argument
RECN (Qio)mxT) [N Receive & name Kermit file.
RECT (qmopes LEIEMIEIHN) Set Rectangular mode.
RECY (G0 I34) Receive Kermitfile already named.
REPEAT (Pre) AR TIMEREEE) WHILE loop clause.
REPL (Pra) IEIE3M) Replace part of obj, with repl
object, beginning at specified position. The obj, and repl
objects may be strings, arrays, lists, or grobs.
RES (qron[EETAMEEE) Set plot resolution.
RESTORE (& MeEmorYNxT)ZET1) Get HOME dir backup.
REVLIST (vTH MYEAMIIIIN) Reverse list elements.
RKF (Ssove [AEEA A Find solution to initial-
value differential equation, via Runge-Kutta-Fehlberg
(4,5), given tolerance, final value & names of variables.
62 THE HP 48G/GX Pocker GUIDE