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Oakton WD-35001-85 Tech Board Plus, Руководство по эксплуатации

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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

• 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

Table of contents: 

1. Clock and Stopwatch buttons

..........................page 2

2. Time and Calendar functions

............................page 2

3. Alarm functions ..................................................

page 3

4. Stopwatch functions

..........................................

page 3

5. Calculator functions 

....................................pages 4-15

5.1. Care of your calculator 

........................................................page 4

5.2. Basic calculator functions 

..............................................pages 4-6

5.3. Memory functions

..................................................................page 7

5.4. Algebraic functions

..........................................................pages 8-9

5.5. Trigonometric and geometric functions

....................pages 10-11

5.6. Statistical functions

......................................................pages 12-13

5.7. Base system modes

............................................................page 14

5.8. Display symbols ..................................................................page 15

6 Battery replacement

..........................................

page 15

7. Specifications......................................................

page 15

8. Index ....................................................................

page 16

9. Warranty/Return of Items

................................page 16

Содержание WD-35001-85 Tech Board Plus

Страница 1: ...y aligned Handy 30 cm ruler 198 OAKTONTBPlus Instructions 398 Table of contents 1 Clock and Stopwatch buttons page 2 2 Time and Calendar functions page 2 3 Alarm functions page 3 4 Stopwatch functions...

Страница 2: ...s MODE to return to the time calendar display The clock and stopwatch are located on the right hand side of the TECH BOARD PLUS clip The power for the clock stopwatch is always on The TECH BOARD PLUS...

Страница 3: ...nd time You can set alarm to sound for one minute at a specific time and or for a brief time once every hour If the alarm set for a specific time is switched on you will see the alarm indicator in the...

Страница 4: ...to turn the calculator on The calculator is ready for operation When this key is pushed during operation it clears the calculator except for the memory Power off key When this key is depressed the ca...

Страница 5: ...mber calculations Ex 3 2 1 Percent key Use for percentage calculation and discount calculation Ex To calculate 25 of 80 perform 80 25 0 25 20 Clear entry key Use to clear an incorrectly entered number...

Страница 6: ...ressing these keys lets you specify the number of decimal digits displayed in the result of a calculation You can specify from 0 to 9 decimal digits Ex 11 0 12345 1 35795 3 1 358 The tabulation functi...

Страница 7: ...y Pressing this key does not alter the memory contents Memory plus key Press to add the number on the display i e a calculated result to the contents of the memory Ex If the number 50 is stored in mem...

Страница 8: ...718281828 Ex 3 1 098612289 Natural antilogarithm key Calculates the antilogarithm base e of the displayed number Ex 3 20 08553692 Square x2 key Calculates a square of the number displayed Ex To calcul...

Страница 9: ...a number y to a power x Ex to raise 5 to the 4th power 54 press 5 4 625 Universal square root x y key Calculates the xth root of Y Ex to calculate the 6th root of 64 press 64 6 2 Factorial key The fa...

Страница 10: ...e display into equivalent grads If you are in Grads mode pressing these keys will convert the display into equivalent degrees Ex 180 in DEG mode 3 141592654 in RAD mode Trigonometric function key sin...

Страница 11: ...degrees or to decimal hours Press to convert a number to degrees minutes seconds or to hours minutes seconds To enter Degrees minutes seconds D MMSSsss where D Degrees M Minutes S Seconds s Fractiona...

Страница 12: ...ss to enter statistical data into memory Each time you press the DATA key another statistical sample is entered into memory The display then shows the total number of samples stored in statistical mem...

Страница 13: ...the stored data Sample standard deviation key Press to obtain the standard deviation of the sample of data Use when data is taken from a sample of members of a population Population standard deviatio...

Страница 14: ...mode lets you add subtract multiply and divide Hexadecimal number mode key Press to set the hexadecimal system mode converts the number displayed into a number in base 16 This mode lets you enter 16 d...

Страница 15: ...nthesis symbol Appears when a calculation with parenthesis is performed when the key is pressed Binary mode symbol BIN Appears when the binary system mode is set Octal mode symbol OCT Appears when the...

Страница 16: ...TOP button 2 Start stop timing 3 Statistical function keys 12 13 Clear Data key 12 Data key 12 Data mean value key 13 Data sum key 12 Population standard deviation key 13 Sample number key 12 Sample s...

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