HP -225 Owner's Manual page 43

Keys:
[de(+)120)
(=]3 (=]
Calculate 30
30 (=] (dJ
85
=]
12 ]
([0 16.9
=Jel]
85 — 12
Display:
21,0800
7.8000
X V169 — 8 :
+C
¢ 83
85.0000-
+73.8000
84118x
¢ 169
X8.90060
X2.9833
1.2260
Description:
evaluates contents of
parentheses.
prevented division
of 30 by 85.
evaluates contents of
parentheses (85 — 12).
Calculates 30 +~ 73.
0] evaluates (16.9 — 8).
Calculates \/8.9 .
Completes the
calculation.
2: Arithmetic and Variables 35