LEXIBOOK PLC250 Instruction Manual page 4

To add the tax
Amount excl. Tax: €20
Tax: 6%
Amount incl. Tax= €21.2
To deduct the tax
Amount incl. Tax: €150
Tax: 20%
Amount excl. Tax= €125
4. Profit analysis
To calculate the margin
Purchase price: €10
Sale price: €15
To calculate the sale price
Purchase price: €175000
Margin: 15%
To calculate the purchase price
Sale price: €35000
Margin: 15%
5. The "G"T key
The "GT" key allows you to calculate the result of several calculations. Every time you
press the "=" key, the result is displayed and "GT" is shown on the right of the screen.
Press on "GT" in order to obtain the total of all recorded results.
Press" ON/AC" in order to delete all results stored in the memory.
Example: calculation of A + B + C
4
A = 6 x 7
B = 5 + 4
C = 22 -5
A + B + C
Press
20 " TAX + "
Press
150 " TAX - "
Press
MARGIN
MARGIN
10 COST
15 SELL
Press
SELL
175 000 COST
15 MARGIN
Press
COST
350 00 SELL
15 MARGIN
Press
6 x 7 =
5 + 4 =
22 – 5 =
GT
Copyright © Lexibook 2003
Display
21.2
Display
125
Display
33.33
Display
SELL
205 882
Display
COST
297 500
Display
42
9
17
68