Teledex DD-922 User Manual

TM

DD-922

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 E. Press CE to resume calculating.
Press ON/AC to clear the entire calculation.

PERFORMING CALCULATIONS

Press Displayed

Addition (+)

Example:

Subtraction (–)

Example:

Multiplication (x)

Example:

Division (∏)

Example:

6 + 7 = 13. [6] + [7] =

10 – 4 = 6. [1] [0] – [4] =

7 x 5 = 35. [7] x [5] =

14 ∏7 = 2. [1] [4] ∏[7] =

13

35

Profit Analyser

Decimal set

(F)Floating, Fixed(0,2,3,4), (A)accountant,
(A) Add. Mode, (0,2,3,4)
(F) FileBkomma

: ( ) An answer is rounded up
: (5/4) An answer is rounded off
: ( ) An answer is rounded down

6

2

F0234A

5/4

USING THE CALCULATOR

Percentages (%)

Example:

Calculate 6% of 100. [1] [0] [0] x [6] %

Example:

Add 6% tax to $20. [2] [0] + [6] %

Example:

20% discount from $150. [1] [5] [0] – [2] [0] %

Calculate a

Press Displayed

21.2

120

CONSTANT CALCULATIONS

Press = to repeat last function.

Example:

Calculate 5 x 5 x 5 x 5 + 2 + 2 = 629

Press [5] x = = = + [2] = =

629

Simple Equations

(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 ÷ 6 = 52 312 ÷ 6 = 52

BATTERY REPLACEMENT

Remove 2
Srews on

6

Back and
lift cover
off

+

Located battery
Holder

CARE AND MAINTENANCE

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.

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

www.datexx.com

(Replace with 389 battery)

Slide battery to left
using small
screw driver.
Then replace

Printed in China 4/01