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Oakton WD-35001-85 Tech Board Plus Operating Instructions Manual

Wd-35001-85 tech board plus ultimate technical organizer
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Operating Instructions

Thank you for purchasing a
WD-35001-85 Tech Board
the ultimate technical organizer!
It features:
• Full-function scientific
calculator
• A 24-hour count-up
stopwatch
• Real-time clock with
time of day and calendar
• Selectable audible alarm clock
• Common conversion
tables and a Periodic
Table of the Elements
for quick reference
• Sturdy clipboard
that tightly
holds your papers
• Paper guide that keeps
your papers neatly aligned
• Handy 30-cm ruler
© 198
OAKTONTBPlus Instructions 398
™
Plus —

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Summary of Contents for Oakton WD-35001-85 Tech Board Plus

  • Page 1: Operating Instructions

    Operating Instructions Thank you for purchasing a WD-35001-85 Tech Board ™ Plus — the ultimate technical organizer! It features: • Full-function scientific calculator • A 24-hour count-up stopwatch • Real-time clock with time of day and calendar • Selectable audible alarm clock •...

  • Page 2: Calendar Functions

    The clock and stopwatch are located on the right hand side of the TECH BOARD PLUS clip. 1. Clock and The power for the clock/stopwatch is always on. Stopwatch The TECH BOARD PLUS clock/stopwatch features 3 main function buttons: MODE 1.

  • Page 3: Alarm Functions

    You can set alarm to sound for one minute at a specific time, and/or for a brief time once every hour. 3. Alarm If the alarm set for a specific time is switched on, you will see the alarm indicator in the upper right corner of the display.
  • Page 4 Never use volatile fluids such as lacquer thinner, benzene, etc., when cleaning the unit. For servicing, contact your OAKTON distributor. Before starting calculation, press the ON/C key to confirm that “0”is shown in the display.
  • Page 5 Plus key Press for addition. Ex: To calculate 3 + 2, perform: 3 Minus key – Press for subtraction. Ex: To calculate 3 – 2, perform: 3 – Also use this key to create negative numbers. Ex. 12 – –16 Division key Press for division.
  • Page 6 5. Calculator functions, continued 5.2 Basic Calculator Functions, continued Entering scientific notation key Press to enter a number in scientific notation. Ex: To enter 12 press 12 40. The display will show 12. 40 Display format exchange key Press this key once to display the result of a calculation in the scientific notation system. Ex: 10 3000 30000...

  • Page 7: Memory Functions

    5.3 Memory functions Memory in key Press to store a number in memory. Ex: Press 50 . “50” is now stored in memory. When a number is stored in memory, the letter “M” appears on the left side of the display. Memory holds only one number at a time.
  • Page 8 5. Calculator functions, continued 5.4 Algebraic functions Common logarithm key Calculates the logarithm with a base of 10. Ex: 3 0.477121254 Antilogarithm key Calculates the antilogarithm with a base of 10. 2ndF Ex: 3 1000 2ndF Natural logarithm key Calculates the logarithm base e (e = 2.718281828). Ex: 3 1.098612289 Natural antilogarithm key...
  • Page 9 Square root key Calculates the square root of the number displayed. Ex: to obtain the square root of 4, press: 4 Cube root key Calculates the cube root of the number displayed. 2ndF Ex. to obtain the cube root of 8, press: 8 2ndF Universal power (y ) key...
  • Page 10 5. Calculator functions, continued 5.5 Trigonometric/Geometric functions Degree / Radian / Grad selector key Used to calculate trigonometric and coordinate conversions. The DRG key changes the angular mode. GRAD Ex. To enter GRAD mode, depress the key twice. “DEG” mode Entries and answers are in decimal degrees.
  • Page 11 Hyperbolic key Press to use the trigonometric function keys (sin, cos, tan) as hyperbolic functions. • sinh (z) = 1/2 (e – e –z –z • cosh (z) = 1/2 (e • tanh (z) = sinh (z)/cosh (z) Press to view hyperbolic sine (sinh). Press to view hyperbolic cosine (cosh).

  • Page 12: Statistical Functions

    5. Calculator functions, continued 5.6 Statistical functions STAT Statistical Mode key Pressing these keys activates the statistical mode. ON/C 2ndF NOTE: The keys on pages 12 and 13 only work when the Statistical Mode is selected! When the calculator is set to the statistical mode, the symbol “STAT” appears in the upper right corner of the display.
  • Page 13 Data mean value key Press to obtain the mean (average) value of all the stored data. ∑x Sum of squares of data key Press to obtain the sum of the squares of all the stored data. 2ndF Sample standard deviation key Press to obtain the standard deviation of the sample of data.
  • Page 14 5. Calculator functions, continued 5.7 Base system modes Binary number mode key Press to set the binary system mode—converts the number displayed into a number in base 2. 2ndF You cannot enter the digits 2, 3, 4, 5, 6, 7, 8, or 9 in this mode. This mode lets you add, subtract, multiply, and divide.

  • Page 15: Battery Replacement

    5.8 Display Symbols 5. Calculator 2ndF HYP DEG RAD GRAD ( ) BIN OCT HEX DEC STAT functions, continued Error symbol (E): Appears when a overflow or an error is detected. Memory symbol (M) Appears when a number is stored in the memory. Minus symbol (–): Indicates that the number in the display is negative.
  • Page 16 We alone will determine if the product problem is due to deviations or customer misuse. Out of warranty products will be repaired on a charge basis. 9.2 Return of Items Authorization must be obtained from your OAKTON ® distributor before returning items for any reason.

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