Datexx DB-413 Calculator User Manual


 
For Example: (4 x 5) + (28 + 2) - (7 - 2) + (75 5)
You Press
You See
4 x 5 M+
28 + 2 M+
7 - 2 M-
75 5 M+
MRC
MEMORY 20
MEMORY 30
MEMORY 5
MEMORY 15
MEMORY 60
Note: MEMORY appears on the left bottom of the dis-
play when a value is stored in memory. MEMORY dis-
appears when you clear the memory.
ACCOUNT FUNCTIONS
The Bank Account Calculator's account functions
make it easier than ever to track your CHECKING,
CREDIT CARD and SAVING account balance. It can
keep up to 20 records for each account.
Note: Add interest to your account as you would a
deposit and subtract fees as you would a withdrawal.
Operation 9
CHECKING
To record a checking ac-
count deposit, enter the
amount of the deposit,
then press DEPOSIT in
the CHECKING column.
To record a check, enter
the amount of the check,
then press CHECK in the
CHECKING column.
To recall your checking account balance, press BAL-
ANCE in the CHECKING column.
To review from the last transaction record to the first
one, repeatedly press REVIEW. REVIEW ENTRY#,
the record number, and the record value appear.
Credit Card
To record a credit card account payment, enter the
amount of the payment, then press PAYMENT in the
CREDIT CARD column.
To Record a credit card account charge, enter the
amount of the charge, then press CHARGE in the
CREDIT CARD column.
SAVING
CREDIT CARD
BALANCE
CHECK
DEPOSIT
CHECKING
REVIEW
BALANCE
BALANCE
CHARGE
WITHDRAW
PAYMENT
DEPOSIT
REVIEW REVIEW
=
+
=
+
=
+
ON
CEOFF
10 Operation
To recall your credit card account balance, press
BALANCE in the CREDIT CARD column.
To review from the last record to the first one, repeat-
edly press the REVIEW in the CREDIT CARD
column. REVIEW ENTRY#, the record number, and
the record value appear.
SAVING
To record a savings account deposit, enter the
amount of the deposit, then press DEPOSIT in the
SAVING column.
To record a savings account withdrawal, enter the
amount of the withdrawal, then press WITHDRAWAL
in the SAVING column.
To recall your savings account balance, press BAL-
ANCE in the SAVING column.
To review from the last record to the first one, repeat-
edly press REVIEW in the SAVING column. REVIEW
ENTRY#, the record number, and the record value
appear.
Operation 11
TAX FUNCTIONS
You can program the tax function to automatically
add sales tax to your purchases.
1. Press or ON/AC to clear calculation.
2. Enter the value of the tax.
3. Press TAX RATE SET to set the value as tax rate.
4. Enter the cost value.
5. Press TAX to calculate the tax.
6. Press = to calculate the total cost.
For example, if your local sales tax rate is 5% and you
purchase an item at $120:
You Press
You See
5
TAX RATE
120 (cost value)
TAX
=
5
5
120
6
126
12 Operation