TELEDEX DD-922 Leaflet
Profit Analyser
DD-922
CARE AND MAINTENANCE
Keep the calculator dry. If it gets wet, wipe it dry before use.
Do not use harsh solvents or detergents to clean.
Replace with 389 battery
Replace with 389 battery
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TM
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 $3.00 to cover postage.
TELEDEX INC. 1 Atlas st. Kenilworth, NJ 07033
Warranty valid only in the U.S.A.
Printed in China 4/01
BATTERY REPLACEMENT
Remove 2
Srews on
Back and
lift cover
off
Srews on
Back and
lift cover
off
+
Located battery
Holder
Holder
Slide battery to left
using small
screw driver.
Then replace
using small
screw driver.
Then replace
: ( ) An answer is rounded up
: (5/4) An answer is rounded off
: ( ) An answer is rounded down
: (5/4) An answer is rounded off
: ( ) An answer is rounded down
Decimal set
(F)Floating, Fixed(0,2,3,4), (A)accountant,
(A) Add. Mode, (0,2,3,4)
(F) FileBkomma
(A) Add. Mode, (0,2,3,4)
(F) FileBkomma
(Replace with 389 battery)
(12 x –5)
÷ 2 = –30 12 x 5 +/– ÷ 2 =
–
MINUS
30
152 + 38 = 190 152 + 38 = 190
78 – 22 = 56 78 – 22 = 56
22 x 12 = 264 22 x 12 = 264
312
78 – 22 = 56 78 – 22 = 56
22 x 12 = 264 22 x 12 = 264
312
÷ 6 = 52 312 ÷ 6 = 52
Simple Equations
F 0 2 3 4 A
5/4
USING THE CALCULATOR
Percentages (%)
Press
Displayed
Example:
Calculate 6% of 100.
Calculate 6% of 100.
[1] [0] [0] x [6] %
6
Example:
Add 6% tax to $20.
Add 6% tax to $20.
[2] [0] + [6] %
21.2
Example: Calculate a
20% discount from $150.
20% discount from $150.
[1] [5] [0] – [2] [0] %
120
CONSTANT CALCULATIONS
Press = to repeat last function.
Example: Calculate 5 x 5 x 5 x 5 + 2 + 2 = 629
Example: Calculate 5 x 5 x 5 x 5 + 2 + 2 = 629
Press
[5] x = = = + [2] = =
629
OPERATING THE CALCULATOR
ON/C key –
turns on the calculator. The calculator automatically turns
off after about 7 minutes if no key is pressed.
+/– key –
Press to change the displayed number from positive (+) to
negative
(–)
or from negative
(–)
to positive
(+).
–
appears when the
value is negative.
CE key –
Press
CE
to delete the displayed number without losing any
pending calculation. If a result is too large to show on the display, the
calculator stops and displays
calculator stops and displays
E
. Press
CE
to resume calculating.
Press
ON/AC
to clear the entire calculation.
PERFORMING CALCULATIONS
Press
Displayed
Addition (+)
Example: 6 + 7 = 13.
Example: 6 + 7 = 13.
[6] + [7] =
13
Subtraction (–)
Example: 10 – 4 = 6.
Example: 10 – 4 = 6.
[1] [0] – [4] =
6
Multiplication (x)
Example: 7 x 5 = 35.
Example: 7 x 5 = 35.
[7] x [5] =
35
Division (
∏)
Example: 14
∏7 = 2.
[1] [4]
∏[7] =
2