Texas Instruments TI5019 User Manual - Page 5

Performing Basic Calculations, Using Memory Operations

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Performing Basic Calculations Squares 2.52 = 6.25 $ = 2, # = No indicator Press K 2.5 > A Display 6.25 Print 2.5 x 2.5 = 6.25 ∗ Reciprocals 1/25 = 0.04 Press K 25 ?AA Display 0.04 Print 25. P 25. = 1.00 ∗ 1.00 = 0.04 ∗ 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 H † 10.5 > 3 J M 4.95 > 5 J M H †† M 4.95 > 5 I ††† M H M Display 31.50 24.75 56.25 24.75 31.5 Print 10.5 x 3. = 31.50 M+ 4.95 x 5. = 24.75 M+ 56.25 M◊ 4.95 x 5. = 24.75 M- 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. 4

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4
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
6.25
x
=
Reciprocals
1/25 = 0.04
Press
Display
Print
K
25
?AA
0.04
25.
25.
1.00
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.