HP HP-20S - Page 2

b
WO
N
=
() parstrad
SCIENTIFIC
L™ 10* X,y LOG Sx,Sy
% Xr %CHG Yr Z— mb
oo oen
+P +R HYP TT
a@@
SWAP CLPRGM
GTO LBL V x<y?
HEX OCT
+kg »lb
AR
. Separates two numbers.
. Executes a program.
. Activates blue-labeled keys.
. Activates yellow-labeled keys.
. On; clears display, cancels
operation.
. n through Zxy are statistical sum-
mation memory aids.
A x=0?
£x?
DEC BIN
PO g
oale
S O
FIX SCI ENG ALL
ABS RND
' Ixy
+HR +HMS +DEG»RAD
+Ccm »in
LAST n! CLRG CLZ
B3] E3
7. Backspace.
8. Loads built-in programs.
9. Enters Program mode.
10. Accumulates statistical data.
11. A through F keys for labels, built-
in programs, hexadecimal digits.
12. Annunciator Line.