2. Addition and Subtraction with a Credit Balance
Adicion y Substraccion de Credito.
PROBLEM:
$
1.23
PROBLEMA :
~ 4 56
- 3.33
SUBTOTAL
+ 7.89
$
4.56
TOTAL
ENTER
ENTRE
DEPRESS
APRIETE
DISPLAY
VISUALIZACION
TAPE
PAPEL
V
'CE
0
.
0*C
123
123.
□
1.23
1*23
456
456.
-
-3.33
4*56
S
-3.33
3*33
789
789.
+
4.56
7*89
T
4.56
4*56
21