Specifications

CALCULATION EXAMPLES
1. Set the decimal selector as specified in each example.
The rounding selector should be in the “5/4” position unless otherwise specified.
2. The grand total/rate set mode selector should be in the “•” position (off) unless otherwise specified.
3. The print / item count mode selector should be in the “P” position unless otherwise specified.
4. Press
prior to beginning any calculation.
5. If an error is made while entering a number, press
or and enter the correct number.
6. After entering a value, press
, or to activate the Cost/Sell/Margin Calculation mode. In case of
performing different calculation tasks,
key must be pressed first to cancel the Cost/Sell/Margin
mode.
7. Example procedures are listed in following manner unless otherwise specified.
MIXED CALCULATIONS
A. 5 × 2 + 12 =
F 6 3 2 1 0 A
5 5. 5
.
×
2
2
.
=
10. 10
.
✱
10. 10
.
+
12
22. 12
.
+
002
.............
22. 22
.
✱
CONSTANT
A. 62.35 × 11.11 =
62.35 × 22.22 =
F 6 3 2 1 0 A
62.35 62.35 62
.
35 ×
11.11
11
.
11 =
692.7085 692
.
7085 ✱
22.22 22
.
22 =
1,385.417 1
,
385
.
417 ✱
Operation Display Print
ADDITION AND SUBTRACTION WITH ADD MODE
12.45 + 16.24 + 19.35 – 5.21 =
F 6 3 2 1 0 A
*
1
1245 12.45 12
.
45 +
1624
28.69 16
.
24 +
1935
48.04 19
.
35 +
521
42.83 5
.
21 –
002
.............
42.83 42
.
83 ✱
*1 :
was not used in the entries.
B. 11.11
÷ 77.77 =
22.22 ÷ 77.77 =
F 6 3 2 1 0 A
11.11 11. 11 11
.
11 ÷
77.77
77
.
77 =
0.14285714285 0
.
14285714285 ✱
22.22 22
.
22 =
0.28571428571 0
.
28571428571 ✱
TAX RATE CALCULATIONS
MEMORY
46 × 78 =
+) 125 ÷ 5=
–)72× 8=
Total
*
2
46 46. 46
.
×
78
78
.
=
3,588.
M
3
,
588
.
+M
125 125.
M
125
.
÷
5
5
.
=
25.
M
25
.
+M
72 72.
M
72
.
×
8
8
.
=
576.
M
576
.
–M
3
,
037
.
◊ M
3,037.
M
*2 : Press to clear the memory before starting a memory calculation.
OFF • P P•IC
ON
B. (10 + 2) × 5 =
F 6 3 2 1 0 A
10 10. 10
.
+
2
12. 2
.
+
12. 12
.
×
5
5
.
=
60. 60
.
✱
OFF • P P•IC
ON
500 500. 500
.
✱∆
30 30.
30
.
✱%
350. 350
.
✱C
EXAMPLE 1: Determine the cost price for 30%
margin when the selling price is set at
$500.
➀
Selling Price
➁
Margin
➂
Cost Price
GT •
RATE
SET
55.
5.000
.
. .
5
.
000 %
800
800
.
.
. .
40
.
840. 840
.
GT •
RATE
SET
GT •
RATE
SET
GT •
RATE
SET
• Entries in the order of “30 500 ” are also
valid.
F 6 3 2 1 0 A
GT •
RATE
SET
EL-2901RH(AB1)-2
➀
0 1 2 3 4 5 6 7 8 9 0 . , 1 2 3 4 5 6 7 8 9 0 . , 1 2 3 4 5 6 7 8 9
0 1 2 3 4 5 6 7 8 9 0 . , 1 2 3 4 5 6 7 8 9 0 . , 1 2 3 4 5 6 7 8 9
0 1 2 3 4 5 6 7 8 9 0 . , 1 2 3 4 5 6 7 8 9 0 . , 1 2 3 4 5 6 7 8 9
0 1 2 3 4 5 6 7 8 9 0 . , 1 2 3 4 5 6 7 8 9 0 . , 1 2 3 4 5 6 7 8 9
0 1 2 3 4 5 6 7 8 9 0 . , 1 2 3 4 5 6 7 8 9 0 . , 1 2 3 4 5 6 7 8 9
0 1 2 3 4 5 6 7 8 9 0 . , 1 2 3 4 5 6 7 8 9 0 . , 1 2 3 4 5 6 7 8 9
0 1 2 3 4 5 6 7 8 9 0 . , 1 2 3 4 5 6 7 8 9 0 . , 1 2 3 4 5 6 7 8 9
0 1 2 3 4 5 6 7 8 9 0 . , 1 2 3 4 5 6 7 8 9 0 . , 1 2 3 4 5 6 7 8 9
01234567890.,1234567890.,123456789
ITEM COUNT CALCULATION
Bill No. Number of bills Amount
1 1 $100.55
2 1 $200.00
3 1 $200.00
4 1 $400.55
5 1 $500.65
Total (a) (b)
PERCENT
A. 100 × 25% =
F 6 3 2 1 0 A
100 100. 100
.
×
25 25
.
%
25.00 25
.
00 ✱
B. 123 ÷ 1368 = (%)
F 6 3 2 1 0 A
123 123. 123
.
÷
1368 1
,
368
.
%
8.99 8
.
99 ✱
GRAND TOTAL
100 100. 100
.
+
200 300. 200
.
+
300 600. 300
.
+
600
.
✱ +
600.
•
300 300.
•
300
.
+
400 700.
•
400
.
+
500 1,200.
•
500
.
+
1
,
200
.
✱ +
1,200.
•
1
,
800
.
✱✱
1,800.
100 + 200 + 300 =
+) 300 + 400 + 500 =
Grand total
100.55 100.55 100
.
55 +
200
300.55 200
.
00 +
500.55 200
.
00 +
400.55
901.10 400
.
55 +
500.65
1,401.75 500
.
65 +
005
.............
(a)
1,401.75 1
,
401
.
75 ✱ (b)
OFF • P P•IC
ON
F 6 3 2 1 0 A
GT •
RATE
SET
OFF • P P•IC
ON
EXAMPLE 2: Perform two calculations using $840
and $525, both of which already
include tax. Calculate the tax on the
total and the total without tax. (tax
rate: 5%)
840
840. 840
.
+
525
1,365. 525
.
+
1
,
365
.
. . .
65
.
–
1,300. 1
,
300
.
In case of abnormal conditions
When this unit is exposed to strong RF noise and/or
extreme physical shock during the operation, or when
the power cord is plugged into the AC outlet, the unit
may start functioning abnormally which, in some rare
occasion all keys - including the power key and the
key - cease to respond.
If such abnormal conditions are observed, unplug the
AC cord from the socket. Keep the unit unplugged for
about 5 seconds, reconnect the AC plug, then turn on
the power.
EXAMPLE 1: Set a 5% tax rate.
Calculate the tax on $800 and
calculate the total including tax.
F 6 3 2 1 0 A
F 6 3 2 1 0 A
F 6 3 2 1 0 A
COST / SELL / MARGIN CALCULATION
• Entries in the order of “30 350 ” are also
valid.
350
350. 350
.
✱C
30 30.
30
.
✱%
500. 500
.
✱∆
F 6 3 2 1 0 A
EXAMPLE 2: Determine the selling price for 30%
margin when the cost price is set at
$350.
➀
Cost Price
➁
Margin
➂
Selling Price
350 350. 350
.
✱C
500 500.
500
.
✱∆
30. 30
.
✱%
250 250. 250
.
✱C
500
.
✱∆
50. 50
.
✱%
• Entries in the order of “500 350 ” are also
valid.
• The entered value (enter value, then press
, , or ) will be kept in the buffer; the
re-entry will not be necessary when recalculat-
ing.
• The buffer contents will be cleared upon new
entry, or when the power switch is turned off/on,
or when “E” is displayed.
F 6 3 2 1 0 A
EXAMPLE 3: Determine the margin when the cost
price is set at $350, and the selling
price at $500.
➀
Cost Price
➁
Selling Price
➂
Margin
Also, obtain the margin when the cost
price is set to $250.
F 6 3 2 1 0 A
Caution!
The socket outlet shall be installed near the
equipment and shall be easily accessible.
OFF • P P•IC
ON
EL-2901RH(AB1)（裏面） 03.4.25, 5:16 PMPage 2 Adobe PageMaker 6.5J/PPC