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Datexx DS-700 Owner's Manual

Scientific calculator
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See also: Operating Manual
Owner's Manual
SCIENTIFIC
CALCULATOR
Please read before operating the unit
DS-700

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Summary of Contents for Datexx DS-700

  • Page 1 Owner's Manual SCIENTIFIC CALCULATOR Please read before operating the unit DS-700...

  • Page 2: Table Of Contents

    Display Symbols ....4 Setting Display Format..7 Operating the Calculator ..9 One Factor Operations...21 Two Factor Operations.

  • Page 3: (Lcd) Liquid Crystal Display Format

    (LCD) LIQUID CRYSTAL DISPLAY FORMAT FLOATING POINT DISPLAY SCIENTIFIC NOTATION DISPLAY DISPLAY SYMBOLS – Negative symbol Indicates the displayed number is a negative number. Memory symbol Appears when number is stored in memory. 2ndF Second function symbol Appears when 2ndF is pressed, allowing access to alternate key func- tions.

  • Page 4: Setting Display Format

    Binary mode symbol Appears when the binary mode is set or the displayed result is a binary number. Octal mode symbol Appears when the octal mode is set or the displayed result is an octal num- ber. Hexadecimal mode symbol Appears when the hexadecimal mode is set or the displayed result is a hexa- decimal number.

  • Page 5: Operating The Calculator

    2 again. Example: Setting back to Decimal Point 2 OPERATING THE CALCULATOR Power off key Press to turn off the calculator. Automatically turns off 8 min- utes after last keypress to con- serve battery power. Power on and clear / statisti-...
  • Page 6 Degree / Radian / Grad selector / angular unit con- version key Use to calculate trigonometric and coordinate conversion. The DRG key changes the angular mode with each press: DEG -> RAD -> GRAD -> DEG. DEG MODE - Entries and results are in decimal degrees.
  • Page 7 Clear Entry / Factorial key Press to clear the display of an incorrect number. Calculates the factorial of the displayed number. Degree / Minutes / Second ƒ Decimal degrees conversion / Hexadecimal number key Converts degree / minute / second to decimal degree. Press 2ndF first to convert decimal degree to degree / minute second.
  • Page 8 Used during coordinate conver- sions when entering the x coor- dinate of the rectangular coordi- nate (X, Y) or the r of the polar coordinate. Also displays the calculated values of X or r. Press to convert polar coordi- nates to rectangular coordinates.
  • Page 9 Calculates the Xth root of Y. Square root / cube root and hexadecimal number key Calculates the square root of the displayed number. Hexadecimal number B key (HEX mode only). Calculates the cube root of the displayed number. Square / reciprocal key Calculates the square of the displayed number.
  • Page 10 Number keys Press to enter number 0-9. Division / binary number key Press for division. Press to convert the displayed number to a binary number(base 2). Multiplication / Octal num- ber key Press for multiplication. Press to convert the displayed number to an octal number(base 8).

  • Page 11: One Factor Operations

    Memory plus / DATA CD key Press to add the displayed num- ber to the contents of the Memory. To subtract the displayed number from the memory, press the +/- key first. In statistical mode, press to enter data. In statistical mode, press to delete a wrong data entry.

  • Page 12: Correcting Incorrect Entries

    If you press the wrong function key ( +, --, x, or ÷ ), just press the correct function after pressing the wrong one. The calculator preforms the last function pressed. Example: If you press the 5 + -- x 5 =, the displayed result will be 25 as [ x ] was the last function key pressed.

  • Page 13: Scientific Notation

    CONSTANT AND REPEAT When performing calculations, the last function and number entered are retained as a constant. Examples: To calculate 7 + 5 + 5 + 5 = 22 Press 7 [ + ] 5 [ = ] [ = ] 22 In this case [ + ] and 5 are the con- stants.

  • Page 14: Percentage

    PERCENTAGE Press Calculate 6% of 1250 1250 [X] 6 [2ndF][%][=] 65 + 15% 65 [+] 15 =74.75 [2ndF][%][=] 129.95 – 10% 129.95 [–] 10 =116.955 [2ndF][%][=] LOGARITHM AND EXPONENTIAL Press Calculate log 0.02 0.02 [log] –1.698970004 = –1.69897 In (50/3) 50 [ ] 3 =2.8134107 [=] [In]...

  • Page 15: Applications And Examples

    APPLICATIONS AND EXAMPLES BUSINESS Calculate the future value of a $1000 invest- ment compounded annually at a rate of 6% for 7 years. p (1+i )n 1000 (1+0.06) 7 1503.63 Press 1 [+] 0.06 [=] [y ] 7 [X] 1000 [=] PHYSICS If a ball is thrown upwars with a velocity of 75 feet per second, what is its velocity at the end...

  • Page 16: Electronics

    In another right triangle, A = 6 feet and C = 15 degrees. Determine the value of a, b and B. sin a = A /C sin a = 6 / 15 = 0.4 sin-1 .4 = 23.58 a = 23.58 degrees b = 90 - 23.58 = 66.42 degrees cos a = B / C cos 23.58 = B /15...

  • Page 17: Parallel Resistance

    2.Follow the correct polarity when installing the batteries. Reversed batter- ies can cause damage to the calculator. 3.If the calculator is not going to be used for a long period of time, remove the bat- teries to prevent the damage or injury from possible battery leakage.

  • Page 18: Datexx Limited Warranty

    TELEDEX. In no event shall TELEDEX be liable for consequential econom- ic damage or damage to property. Except as provided herein, DATEXX makes no express warranties and any implied warranties are limited in dura- tion to the written limited warranties contained herein.

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