DateXX DH-170FS Quick Start
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Category: Calculator
Type: Operation manual
Model: Blackstar HT-DRIVE , Datexx Financial Planner DH-170FS
Pages: 1 (0.39 Mb)
1
Getting Started
Note: Your Datexx Calculator is powered with a
long-life, Lithium battery to assure uninterrupted
service. (See “Battery Replacement” below
change-out procedure.)
Power On and Off
[ON/AC] Pressing this key and holding it a second
turns the calculator on. This key is also used to
clear all calculations, which is accomplished with
a tap.
[OFF] Turns the calculator off. The unit also has
an auto power-off feature which turns the unit off
after 5 minutes of non-use.
[CE] Tapping this key clears only the last entry
without clearing the problem.
Step 1. Remove 2 screws with screw driver and take off
back cover
Step 2. Remove old battery and replace with ONE 3V CR2025
according to Polarity Diagram Inside
+
+
+
+
Positive side up
Battery Replacement
Note: The Lithium battery in this calculator should be
replaced approximately every two years.
1. Slide the unit out of its case and turn the unit over,face
down.
2. Use a small head screwdriver to loosen the
screws on battery compartment cover and remove the
cover (see diagram).
3. Replace the lithium battery, making sure the positive
(+) side is up.
4. Replace the cover and screws.
Battery Replacement Diagram
An Affordable, 12-Digit Multi-function Calculator
with Built-in Software Components.
Features
Calculate the Time and Value of Money (Savings,
Automobile and Mortgage Loans).
Interest Calculations
Business Profit analysis (cost, sell & margin)
Currency and Metric conversions
Tax Calculations
Savings Calculations
Built-in 3-key Memory Functions
Auto Power-Off -- Turns Unit off After 5 Minutes Idle
Slip Cover -- Slips the Unit Out of the “Base”, Reverse
it, and Slide it Back in the Base to Store.
Integrated Flip-Down Stand, for Easy Viewing
Adjustment
Simple Arithmetic Calculations
[+], [-], [X], [÷] and [=] are the standard function keys.
Press the Equal key [=] to obtain the result of an
operation.
If the wrong function key is pressed during an operation
pressing the correct key will cancel the previous function.
Here is an example of addition:
9 [+] 9 [=] 18
Working with Percentages
Calculating percentages is easy with your Datexx.
What percentage of 211 is 40?
40 [÷] 211 [%] 18.95%
What is 37% of 931?
931 [X] 37[%] 344.47
Datexx Financial Planner
(Datexx® Model DH-170FS)
Operation Manual
Working with the Memory
The memory functions of this calculator are accessed
with 3 keys:
To store data in memory [M+].
To subtract data from memory [M-].
And finally, to recall stored memory [MRC].
Tapping [MRC] once displays the data stored in memory.
Tapping [MRC] twice clears all data stored in memory.
(You will note the memory symbol “M” disappears from
the calculator display when the memory is cleared.)
Calculating the Time Value of Money
Savings Calculations
How much money will I have if I save $150 a month
at 4% for the next 10 years?
• Number of years
• Interest rate p.a.
• Future value
• Calculate
Save $
Compute
Future $
N
o
of
Y
e
ars
Annual Yield
%
Month
/Year
• Number of compound
periods a year
• Monthly installment
[Compute] [Future$] $22, 161.10
Save $150 a month 150 [Save $]
For 10 years 10 [No of Years]
At 4% interest rate 4 [Annual Yield %]
Making 12 payments a year 12 [Month/Year]
Press--
Loan Calculations
Calculating an Automobile Loan
You have your eye on a new car. The cost of the car is
$22,000, and your down payment will be $5000.
You will be financing $17,000 at 8%.
What will your payments be?
• Number of years
• Interest rate p.a.
• Monthly payment
• Compute the unknown
Loan $
Compute
Pay $
No of
Year
s
Interest Rate
%
Month
/Year
• Number of compound
periods a year
• Mortgage Amount
[Compute] [Pay] $342.42
Automotive Loan of $17,000 [Loan $]
Number of years to pay 5 [No of Years]
Interest Rate 8% [Interest Rate %]
12 payments/year 12 [Month/Year]
Press--
Calculating the Time Value of Money
Troubleshooting
1. Nothing is displayed on the LCD display
a. Check that the battery is fresh and placed correctly.
Care and Maintenance
Keep this unit dry. Avoid dropping the calculator.
If it gets wet, wipe it dry before use. Do not clean
with harsh solvents or detergents. Wipe clean with a
soft slightly damp cloth.
Please register on-line today at:
www.datexx.com
TELEDEX Limited U.S.A. Warranty
TELEDEX INC. warrants these products to the original purchaser to
be free from defective material and workmanship. The product will
be repaired or replaced at our option, for up to one year when
returned with proof of purchase to the address below. Include a
check or money order for $5.00 to cover postage.
TELEDEX INC. 1 Atlas st. Kenilworth, NJ 07033
Printed in China 10/02
Your Financial Planner from
Datexx® is designed to be reliable
and easy to use.
This manual will provide clear
instructions for all product
functions.
Loan Calculations
Calculating a Mortgage
You are buying a $120,000 Town House.
Your down payment is 10% ($12,000), and you will be
financing $108,000 at 8% for 30 years.
What is your payment?
[Compute] [Pay] $787.22
Home Loan of $108,000 [Loan $]
Number of years to pay 30 [No of Years]
Interest Rate 8% [Interest Rate %]
12 payments/year 12 [Month/Year]
Press--
A Word about Mortgage Payments (PITI)
A mortgage payment will include the mortgage payment
principal and interest, in this case $787.22. It will also
include the monthly real estate taxes and insurance
payment (Divide the annual rate by 12 to get the monthly
rate).
For Example:
Annual taxes at $2400, and annual insurance at
$600 = $200 monthly tax payment + a $50 insurance
payment. Adding these to the total payment of $787.22
give us a total monthly payment of 1037.22
This is called Principal + Interest + Taxes + Insurance
or PITI.
How to Compute the Mortgage Payment
You Can Afford
Industry guidelines indicate suggest that a consumer
should spend about 28% of his monthly income on
housing (+-). If your combined family monthly income
is $6000, you can afford a mortgage payment (PITI) of
$1680. (Other payments. like credit card and car
payments, installment loans, etc., should not exceed
36% of your gross family monthly income.)
$6000 [X] 28 [%] $1680
How Much Loan Can I Get with a PITI of $1680
[Compute] [Loan $] $230,482.65
Enter Payment $1680 [Pay $]
Number of years to pay 30 [No of Years]
Interest Rate 8% [Interest Rate %]
12 payments/year 12 [Month/Year]
Press--
Business Calculations
Your calculator can handle standard business
calculations, such as determining the Gross Profit
Margin; How to set selling prices, and how to calculate
costs, such as dealer cost.
(Note: Pay special attention to the keys used below to
be certain you are selecting the proper key fro your
desired function)
COST
COST
SELL
SELL
MARGIN
SELL
COST
MARGIN MARGIN
Calculating the Gross Profit Margin
GROSS PROFIT MARGIN
You bought stock for $10.00 a share.
You sold it for 15.00 a share
What is the Gross Profit Margin ?
10.00
15.00
You made 33.33 % profit.
COST
SELL
MARGIN
Determining the Selling Price
SELLING PRICE
I bought an investment property at
I would like to make 15% profit
The property should be sold for $ 205,882.
175,000
15
P
RO
F
I
T
(
%
)
COST
SELL
MARGIN
Determining Cost (E.g., a Dealer’s Cost)
BUYING PRICE
The car has a MSRP Selling price of 35,000
Dealers makes 15% profit 15
How much did he buy the car for ? 29,750
SELL
COST
MARGIN
Finding a Square Root
To find a square root enter the number and press the
square root key.
620 [√] [=] 24.899
Currency Exchange
To determine a currency exchange rate you need to
enter the current exchange rate value.
For example, if the Euro was currently pegged at
1 Euro = 0.9822 of the U S Dollar, here is how you
would do the calculations:
1. Select and hold down the [USD] key until “0” shows.
2. Enter the USD value (0.9822).
3. Press the [USD] key setting the value.
How much is $150 in the Euro currency?
Enter 150 Press [USD] Press [Foreign] 152.72
How much is 275 in the Euro currency worth in
U S Dollars?
Enter 275 Press [Foreign] Press [USD] $270.11
Tax Calculations
To perform a tax calculation, program your calculator
with the tax rate by pressing and holding the [%] key
until “0” is displayed. If, for example, the Tax Rate is
3.75% enter that value. And press the [%] key again.
Now the tax rate is set.
If a dinner bill is $120.00 how much is the total bill
including 3.75% tax?
Enter 120 [TAX+] 124.50
Enter [TAX+] again to see the amount of tax paid 4.50
Your credit card charge is 138.00. How much was the
bill before tax was added in?
Enter 138 [TAX-] 133.01
Enter [TAX-] again to see the amount of tax paid 4.98