TI -5019 说明手册
4
5019ENG.DOC TI-5019 Guidebook, English Robin Hunt-Smith
Revised: 06/23/00 10:00 AM Printed: 06/23/00 10:00 AM Page 4
of 6
Revised: 06/23/00 10:00 AM Printed: 06/23/00 10:00 AM Page 4
of 6
Performing Basic Calculations
Squares
2.5
2
= 6.25
$
= 2,
#
= No indicator
Press
Display
Print
K
2.5
>
A
6.25
2.5
2.5
2.5
6.25
x
=
=
∗
Reciprocals
1/25 = 0.04
Press
Display
Print
K
25
?AA
0.04
25.
25.
25.
1.00
1.00
0.04
1.00
0.04
P
=
∗
=
∗
Using Memory Operations
Multiplication with Memory Keys
You need the total of 3 items at 10.50 and 5
items at 4.95. By using the memory, you will not disturb a current calculation.
Press
Display
Print
H †
10.5
>
3
J
10.5
x
3.
=
M
31.50
31.50 M+
4.95
>
5
J
4.95
x
5.
=
M
24.75
24.75 M+
H
††
M
56.25
56.25 M
◊
4.95
>
5
I
†††
4.95
x
5.
=
M
24.75
24.75 M–
H
M
31.5
31.5 M
◊
†
H
prints the current memory total and clears the memory.
††
You recall the value in memory.
†††
You decide not to order the last item.