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and ask you to type the duration. Do so and once again confirm by shortly pressing
the menu key. Platon XL then will announce the end capital.
5.5.2:
Net Present Value
This formula helps you to calculate the initial capital on the basis of a certain end
capital you wish to have in the near future (including the interest).
Example:
You know, you need a certain amount of money in the near future (end
capital) and you know that your bank offers you a certain interest rate (percent).
You decide to keep money on your savings account for e.g. 5 years (duration). After
typing in all this information, Platon XL will calculate the net present value. This is
the amount of money, you have to invest in order to reach said end capital.
After selecting the formula, Platon XL asks you to type in the end capital you wish
to reach. Do so and confirm by shortly pressing the menu key (3 x 3 group, row 2,
middle key). Platon XL repeats the value and asks you to type in the percentage.
Do so and confirm by shortly pressing the menu-key again. Platon XL will repeat
the percentage and ask you to type in the duration. Do so and once again confirm
by shortly pressing the menu-key. Platon XL then will announce the net present
value.
5.5.3: Annuity
The term annuity is used in finance theory to refer to any terminating stream of
regular payments over a specified period of time.
Example:
You obtain a credit from your bank (initial capital). You pay a certain
percentage of interest for this credit (percent) and you also know that the credit is
due within the following 20 years, that is 240 months (duration). After typing in all
this information, Platon XL will calculate the monthly installments you have to pay in
order to repay the credit.
After selecting the formula, Platon XL asks you to type in the initial capital. Do so
and confirm by shortly pressing the menu-key (3 x 3 group, row 2, middle key).
Platon XL repeats the value and asks you to type in the percentage. Do so and
confirm by shortly pressing the menu-key again. Platon XL will repeat the percent
and ask you to type in the duration. Do so and once again confirm by shortly
pressing the menu-key. Platon XL will then announce the regular payment due.
5.5.4: Annuity Initial Capital
This formula offers you the vice versa calculation, that means, you can find out
which credit amount you could afford.
Example:
You know how much money you could afford each month to pay
installments (annuity). You know the conditions of your bank, that is the interest
rate (percent) as well as the time (duration). After typing in all this information,
