LEXIBOOK PLC259 Manual Del Usuario página 6

• Dual Power Source: Solar Cell & 1.5V x 1pc battery (* Press "RESET" after replacing battery)
• 12 digits with sign liquid crystal display
• Auto Power Off
Extraction of
Square Root:
36 + 13 = 7
3 6 +
1 3 =
√ 7
Percentage
Calculation:
30 x 5% = 1.5
3 0 x
5 %
1.5
Chain
Calculation:
[(6 + 4) x 2 – 8]
÷ 5 = 2.4
6 + 4
x 2
- 8
÷
5 =
2.4
Entry
Correction:
1234 x 2 = 2468
1 2 3
5
4 x 2
=
2468
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INSTRUCTION MANUAL
Power
Calculation:
2 = 64
6
2 x =
= x =
64
Constant
Calculation:
4 x 3 = 12 ,
4 x 5 = 20
4 x 3
= 12
5 =
20
6 ÷ 2 = 3 ,
8 ÷ 2 = 4
6 ÷ 2
= 3
8 = 4
Memory
Calculation:
(5 x 0.25) +
(6 x 0.75) -
(2 x 0.15) = 5.45
MRC MRC
5 x .
2 5 M+
1.25
M
6 x .
7 5 M+
4.5
M
2 x .
1 5 M-
0.3
M
6
Tax Calculation:
MRC
PROFIT
5.45
M
MRC
Setting the Tax
5.45
Rate as 17%
Mark up:
Cost = $100,
profit rate =
20%, selling
price =? ($125)
Checking the Tax
1 0 0
Rate
÷ 2 0
MU
125
MU 25
Cost = $175,
Price at 200
selling price =
plus 17% Tax
$200, profit rate
=? (12.5%)
1 7 5 -
2 0 0 MU
-12.5
Mark down:
Selling price =
Price after Tax is
$2,400, profit
58.5, then the Price
rate = 20%,
and the Tax are
Cost =? ($2,000)
2 4 0
0 ÷ 2
0
+/- MU
2,000
MU 400
TAX
1 7
SET TAX+
RATE TAX%
17
SET
TAX-
RATE TAX%
17
2 0 0
TAX+
TAX+ 234
TAX+
TAX 34
5 8 .
5 TAX-
50
TAXE-
TAX+
TAXE 8,5