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Contents

General guide .................................................. E - 2

Power supply ......................................................................... E - 2
The keyboard ......................................................................... E - 2
Display symbols .................................................................... E - 3
Display formats ..................................................................... E - 3
Order of operations ................................................................ E - 4
Correction .............................................................................. E - 5
Accuracy and Capacity .......................................................... E - 5
Overflow / Error conditions .................................................... E - 7

Basic calculation ............................................. E - 8

Mixed arithmetic calculation ................................................. E - 8
Parentheses calculations ...................................................... E - 8
Constant calculation .............................................................. E - 8
Percentage calculation .......................................................... E - 9
Memory calculation ............................................................... E - 9

Scientific calculation ..................................... E - 10

Reciprocal, Factorial ........................................................... E - 10
Square, Square / Cubic Root, Power, Root ........................ E - 10
Logarithms and Antilogarithms ........................................... E - 10
Fraction calculation ............................................................. E - 10
Angular units conversion ..................................................... E - 11
Trigonometric / Inverse trigonometric functions ................. E - 11
Hyperbolic / Inverse hyperbolic functions ........................... E - 12
Rectangular / Polar coordinates .......................................... E - 12
Permutations, Combinations .............................................. E - 12
Sexagesimal 

 Decimal conversion .................................. E - 13

Base-n mode calculation .................................................... E - 13
Complex numbers calculation ............................................ E - 14
Random numbers and Exchange key. ................................ E - 14
Unit conversion .................................................................... E - 15

Statistics calculation ..................................... E - 15

Computing single variable statistics ................................... E - 15
Viewing statistics data ........................................................ E - 16
Adding a data entry ............................................................. E - 17
Editing statistics data .......................................................... E - 17
Delete error .......................................................................... E - 18
Weighted data entry method ............................................... E - 18

Summary of Contents for DS-834

Page 1: ... Root Power Root E 10 Logarithms and Antilogarithms E 10 Fraction calculation E 10 Angular units conversion E 11 Trigonometric Inverse trigonometric functions E 11 Hyperbolic Inverse hyperbolic functions E 12 Rectangular Polar coordinates E 12 Permutations Combinations E 12 Sexagesimal Decimal conversion E 13 Base n mode calculation E 13 Complex numbers calculation E 14 Random numbers and Exchange...

Page 2: ...d as soon as possible To replace batteries 1 Remove the screws that hold the back cover 2 Remove the back cover 3 Replace the old batteries and install new ones with polarity in correct directions 4 Secure the screws in place then press ON C to turn the power on The keyboard Many of the calculator s keys are used to perform more than one function The functions marked on the keyboard are printed di...

Page 3: ...imit HYP Hyperbolic mode Display format The calculator can display numbers in four formats floating point fixed point scientific and engineering Floating point display format The floating point format displays numbers in decimal form using up to 10 digits Any trailing zeros are truncated If the result of a calculation is too large to be represented in 10 digits the display automatically switches t...

Page 4: ... floating point format Besides entry can be made in scientific notation by using the EXP key after entering the mantissa Ex Key the number 4 82296 x 10 5 Step key in 4 82296 EXP 5 DEG 4 82296 05 in floating point format Engineering display format The format is similar to the scientific format expect the mantissa can have up to three digits left of the decimal instead of only one and the exponent i...

Page 5: ...5 as 123 Step press 00 0 twice DEG 123 In a series of calculations you can correct errors in immediate results by pressing ON C to clear the calculation completely expect clearing memory see page 9 If you press the wrong arithmetic operation key just press CE key before entering anything else Accuracy and Capacity Accuracy 1 in 10th digit Capacity In general every reasonable calculation is display...

Page 6: ... x 10 99 X 1 x 10 100 10 x 1 x 10 100 X 100 e x 1 x 10 100 X 230 2585092 X 0 X 1 x 10 100 x 2 X 1 x 10 50 1 X X 1 x 10 100 X 0 3 X 1 x 10 100 X 0 X 69 X is an integer R P 1 x 10 100 P R 0 r 1 x 10 100 Deg θ 4 5 x 10 10 deg Rad θ 2 5 x 10 8 π rad Grad θ 5 x 10 10 grad however for tan x Deg θ 90 2n 1 Rad θ 2n 1 Grad θ 100 2n 1 n is an integer DD MM SS SS 1 x 10 100 0 MM SS SS x 1 x 10 100 X y X 0 1 ...

Page 7: ...11111111 for negative OCT 0 X 3777777777 for zero or positive 4000000000 X 7777777777 for negative HEX 0 X 2540BE3FF for zero or positive FDABF41C01 X FFFFFFFFFF for negative Overflow Error conditions A symbol E are indicated on the display when any of the following conditions occur and further calculation becomes impossible Just press ON C to release those overflow or error indicator and the subs...

Page 8: ... and remains in the display until the last parenthesis is closed 5 2 x 1 5 x 3 5 2 x 1 5 x DEG 2 8 0 8 x 4 3 0 8 x 4 2 x 7 6 x 5 4 2 x 7 6 x DEG 122 5 4 Note It is unnecessary to press the key before the key Constant calculation The calculator enables you to repeat the last number entered or the last operation executed by pressing key Repeating the last number 3 x 3 3 x DEG 9 3 x 3 x 3 DEG 27 3 x ...

Page 9: ...nd when performing memory calculations 1 The M indicator appears when a number is stored in the memory 2 Recalling from a memory by pressing MR key does not affect its contents 3 All memories are unavailable under STAT mode 4 In order to exchange the content of the memory for the displayed number please press X M key 5 The contents of the memories can be cleared by pressing 0 X M or CE X M in sequ...

Page 10: ...thms ln7 log100 7 ln 100 log DEG 3 95 10 2 2 2ndF 10 x DEG 100 00 e 5 e 2 5 2ndF e x DEG 148 28 2 2ndF e x Fractional calculation Fraction value display is as follow Note Total of integer numerator and denominator must be within 10 digits or the fractional value couldn t be shown completely By pressing 2ndF d e the displayed value will be converted to the improper fraction 7 2 a 3 DEG 8 4 15 8 7 a...

Page 11: ...rees DEG radians RAD and grad GRAD The relation among the three angle units is 180 π rad 200 grad 1 To change the default setting to another setting press DRG key repeatedly until the angular unit you want is indicated in the display 2 After entering an angle press 2ndF DRG repeatedly until the converted value is displayed 90 deg 90 DEG 90 rad 2ndF DRG RAD 1 57 grad 2ndF DRG GRAD 100 00 Trigonomet...

Page 12: ... θ i sin θ Note When using those key make sure the calculator is set for the angular unit you want Converting from Rectangular to Polar If a 5 and b 6 5 a 6 b DEG 7 81 what are r and θ 2ndF R P b DEG 50 19 Converting from Polar to Rectangular If r 25 and θ 56 25 a 56 b DEG 13 98 what are a and b 2ndF P R b DEG 20 73 Permutations Combinations nPr nCr How many 7 2ndF nPr 4 DEG 840 00 permutations of...

Page 13: ...rting from Decimal to Sexagesimal 2 12345 2 12345 2ndF 2 7 24 42 Base n mode calculation Converting between bases The unit enables you to calculate in number base other than decimal The calculator can add subtract multiply and divide binary octal and hexadecimal numbers Select the number base you want by the BIN OCT HEX DEC keys The BIN OCT and HEX indicators show you which base you are using if n...

Page 14: ...mplex numbers mode by pressing CPLX key and make sure CPLX indicator appears on the display The calculator enables you to add subtract multiply and divide complex numbers Complex numbers are generally represented as a b i where a is a real and b is imaginary 2ndF CPLX DEG CPLX 7 9 i 7 a 9 b 22 00 15 10 i 15 a 10 b b DEG CPLX 1 00 Note Memory calculation is available in complex number mode Random n...

Page 15: ...lowing single variable statistics n number of all data Σ x sum of all data Σ x2 sum of the squares mean value s Sample Standard deviation σ Population standard deviation CP Precision capability CPK Process capability Min CPU CPL where CPU CPL Note In STAT mode all function key are available except base n calculation Ex 1 Enter the following data to calculate Σ x Σ x 2 n S CP and CPK where data 1 2...

Page 16: ...are retained even if auto power off or turning off unless exiting STAT mode Viewing statistics data Pressing DATA or key under ED mode can view the statistics data you have entered The difference between DATA and is the item of the data entry appears 1 5 sec before the value by DATA the value appears immediately without the item by Ex 2 View the statistics data based on Ex 1 Step 0 Press 2ndF EDIT...

Page 17: ...9 00 data 9 10 00 Editing statistics data Ex 4 Based on Ex 1 correct data 1 2 as data 1 3 Method 1 Press 2 2ndF DEL 3 to overwrite Method 2 Step 1 Press 2ndF EDIT DEG ED STAT 0 00 Step 2 Find out 2 by DATA or DEG ED STAT 2 00 Step 3 Enter 3 to overwrite 2 DEG ED STAT 3 Step 4 Press and 2ndF EDIT to exit ED mode where those data are changed as data 1 3 00 data 2 5 5 00 data 6 8 9 00 Ex 5 Based on E...

Page 18: ...alue you can enter the value and the number of occurrences up to 255 The data based on Ex 1 can be rewritten and entered as follow Value Number of occurrences Alternative method 2 1 DATA 2 5 4 DATA 5 x 4 9 3 DATA 9 x 3 where data 1 2 data 2 5 5 data 6 8 9 Under ED mode when you continue choosing a value from data 2 5 and correcting it as 33 the permutation among those data will be changed as data ...

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