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File name : CBM_SR19S1_HDB119S1RR9_English   

 

version : 2007/07/04 

 

Before starting calculation 

„

 

Changing a mode 

Pressing [ MODE ] can enter mode menus. You can choose one of 
six operating modes, including " 

0) MAIN

 ", " 

1)STAT

 ", " 

2)Base-n

 ", 

3)CPLX

 ", " 

4)VLE

 ", " 

5)QE

 ". 

Give " 

2)Base-n

 " as an example :   

Method 1 : Scroll through the menus using [   ] or [   ] until " 

2)Base-n " is shown, then enter the desired mode by 
pressing [ 

 ]. 

Method 2 : Key in directly the number of the mode, [ 2 ] , to enter 

the desired mode immediately. 

„

 

Selecting an item from display menus 

Many functions and settings are available on menus. A menu is a list 
of options displayed across the entry line. 

Give " Pressing [ DRG ] key displays the menu for choosing the 
angle setting under MAIN mode " as an example : 

Method :    Press [ DRG ] to display the menu, and then move the 

cursor [   ] or [   ] to an item you want. Press [ 

 ] 

while the item is underlined. 

For menu items followed by an argument value, you can press 

 ] while the item is underlined or enter directly the 

corresponding argument value. 

„

 

Using " 2nd " Keys   

To execute the functions marked in yellow, please press [ 2nd ] and 
then the corresponding key. When you press [ 2nd ], the " 

2nd

 " 

indicator shown in the display is to tell you that you will be selecting 
the second function of the next key you press. If you press [ 2nd ] by 
mistake, simply press [ 2nd ] again to remove the " 

2nd

 " indicator. 

„

 

Cursor 

Pressing [   ] or [   ] key can move the cursor to the left or the right. 
Hold down any of those keys to move the cursor at high speed. 

Pressing [   ] or [   ] can scroll the display up or down while there 
are previous entries hidden the display. You can reuse or edit a 
previous entry when it is on the entry line. 

Summary of Contents for SRP-285II

Page 1: ...lecting an item from display menus 5 Using 2nd Keys 5 Cursor 5 Making corrections during input 6 Replay function 6 Error Position Display Function 6 Memory Calculation 6 Order Of Operations 7 Accuracy And Capacity 8 Error Conditions 10 Mode 0 MAIN 11 Arithmetic Calculations 11 Display formats 11 Parentheses Calculation 11 Percentage Calculation 12 Continuous calculation function 12 Answer Function...

Page 2: ...robability 14 Other Functions X 1 X X 2 15 Unit Conversions 15 Physics Constants 15 Mode 1 STAT 16 Single Variable Two Variable Statistics 16 Process capability 17 Probability distribution 17 Linear regression 18 Correcting data 18 Mode 2 Base n 19 Bases conversions 19 Negative expression 19 Basic arithmetic operations for bases 20 Logical operation 20 Mode 3 CPLX 20 Mode 4 VLE 20 Mode 5 QE 20 ...

Page 3: ...pproximately 6 12 minutes It can be reactivated by pressing ON key and the display memory settings are retained Reset Operation If the calculator is on but you get unexpected results press 2nd RESET in sequence A message appears on the display to confirm whether you want to reset the calculator and clear memory contents RESET N Y Move the cursor to Y by then press to clear all variables programs p...

Page 4: ...s that exceed the digit limit are displayed in scientific notation Indicators The following indicators appear on the display to indicate you the current status of the calculator Indicator Meaning M Independent memory Result is negative 2nd 2nd set of function keys is active MODE Mode selection is active MAIN Main mode is active STAT Statistics mode is active Base n Base n mode is active VLE Variab...

Page 5: ...s an example Method Press DRG to display the menu and then move the cursor or to an item you want Press while the item is underlined For menu items followed by an argument value you can press while the item is underlined or enter directly the corresponding argument value Using 2nd Keys To execute the functions marked in yellow please press 2nd and then the corresponding key When you press 2nd the ...

Page 6: ...You can continue moving the cursor by or to edit it To delete a digit press DEL or in overwrite mode just type over the digit See Example 1 z The replay function can keep input digits up to 254 characters for SRP 285II After execution is complete or during entering you can press either or to display previous input steps and edit values or commands for subsequent execution See Example 2 Note The re...

Page 7: ...value Order Of Operations Each calculation is performed in the following order of precedence 1 Expression inside parentheses 2 Coordinates transformation and Type B functions which are required pressing the function key before entering for example sin cos tan sin 1 cos 1 tan 1 sinh cosh tanh sinh 1 cosh 1 tanh 1 log ln 10 X e X NEG NOT X Y 3 Type A functions which are required entering values befo...

Page 8: ...nent up to 10 99 Numbers used as input must be within the range of the given function as follow Functions Input range sin x cos x tan x Deg x 4 5 x 10 10 deg Rad x 2 5 x 10 8 πrad Grad x 5 x 10 10 grad however for tan x Deg x 90 2n 1 Rad x 2 π 2n 1 Grad x 100 2n 1 n is an integer sin 1 x cos 1 x x 1 tan 1 x x 1 x 10 100 sinh x cosh x x 230 2585092 tanh x x 1 x 10 100 sinh 1 x x 5 x 10 99 cosh 1 x ...

Page 9: ... is an integer DMS DD MM SS SS 1 x 10 100 0 MM SS SS x 10 100 x y x 0 1 x 10 100 y log x 100 x 0 y 0 x 0 y n 1 2n 1 n is an integer but 1 x 10100 y log x 100 x y y 0 x 0 1 x 10 100 x 1 log y 100 y 0 x 0 y 0 x 2n 1 1 n n is an integer n 0 but 1 x 10 100 x 1 log y 100 nPr nCr 0 r n n 10 100 n r are integers STAT x 1 x 10 100 y 1 x 10 100 1 VAR n 40 2 VAR n 40 FREQ n 0 n 10 100 n is an integer in 1 V...

Page 10: ...tion outside the valid range 2 FREQ value in 1 VAR stats 0 or non integer 3 When USL value LSL value DIVIDE BY 0 You attempted to divide by 0 OVERFLOW Er When result of function calculations exceeds the range specified STAT Er When in MAIN CPLX VLE or QE mode press DATA or STATVAR SYNTAX Er 1 Input errors are made 2 When improper arguments are used in commands or functions that require arguments N...

Page 11: ...rmed up to 24 digits and the display value is stored in 10 digits To round off those values to the specified number of decimal places press 2nd RND See Example 11 12 z Number display formats are selected by pressing 2nd SCI ENG to display the menu The items on the menu are FLO for floating point SCI for scientific and ENG for engineering Press or until the desired formats is underlined and then pr...

Page 12: ...le 20 21 Continuous calculation function z The calculator enables you to repeat the last operation executed by pressing key for further calculation See Example 22 z Even if calculations are concluded with the key the result obtained can be used for further calculation See Example 23 Answer Function z Answer function stores the most recently calculated result It is retained even after the power is ...

Page 13: ...culations containing both fractions and decimals are calculated in decimal format See Example 31 Angle Unit Conversion z The angle units DEG RAD GRAD is set by pressing DRG to display the angle menu The relation among the three angle units is 180 πrad 200 grad Angle conversations See Example 32 1 Change the default angle settings to the units you want to convert to 2 Enter the value of the unit to...

Page 14: ...it you want Coordinates Transformation Pressing 2nd R P displays a menu to convert rectangular coordinates to polar coordinates or vice versa See Example 40 41 Rectangular Coordinates Polar Coordinates x y i r cosθ i sinθ Note When using those key make sure the calculator is set for the angle unit you want Probability z Pressing PRB displays the probability menu See Example 42 46 With the followin...

Page 15: ...of physical constants in your calculations See table below Symbol Meaning Value c Speed of light in vacuum 299792458 m s g Acceleration of gravity 9 80665 m s 2 G Gravitational constant 6 6725985x10 11 N m 2 kg 2 Vm molar volume of ideal gas 0 0224141 m 3 mol 1 NA Avagadro s number 6 022136736 x 10 23 mol 1 e Elementary charge 1 6021773349 x 10 19 C me Electron mass 9 109389754 x 10 31 kg mp Proto...

Page 16: ...s DATA INPUT LIMIT SET DISTR Please select DATA INPUT and press 3 Enter an x value and press 4 Enter the frequency FREQ of the x value in 1 VAR mode or the corresponding y value in 2 VAR mode and press 5 To enter more data repeat from step 3 6 Press 2nd STATVAR and scroll through the statistical result menus by or to find out statistical variables you want See table below Variable Meaning n Number...

Page 17: ...ning Cax or Cay Capability accuracy of the x values or y values Cpx or Cpy Potential capability precision of the x values or y values Cpkx or Cpky Minimum CPU CPL of the x values or y values where CPU is upper spec limit of capability precision and CPL is lower spec limit of capability precision C pkx Min C PUX C PLX C px 1 C ax C pky Min C PUY C PLY C py 1 C ay Note When calculating process capab...

Page 18: ... mode press STATVAR and scroll through the statistical results menu by or to find out a b or r 2 To predict a value for x or y given a value for y or x select the x or y variable press enter the given value and press again See table below Variable Meaning a Linear regression y intercept x n b y a b Linear regression slope x x n y x xy n b 2 2 r Correlation coefficient y y n x x n y x xy n r 2 2 2 ...

Page 19: ...display The default setting is d decimal base See Example 58 Note The total range of numbers handled in this mode is 0 1 2 3 4 5 6 7 8 9 A IB IC ID IE IF If values not valid for the particular number system are used attach the corresponding designator d h b o or an error message will appear Binary base b 0 1 Octal base o 0 1 2 3 4 5 6 7 Decimal base d 0 1 2 3 4 5 6 7 8 9 Hexadecimal base h 0 1 2 3...

Page 20: ... subtract multiply and divide complex numbers See Example 63 The results of a complex operation are displayed as follow Re Real value Im Imaginary value ab Absolute value ar Argument value Mode 4 VLE Variable linear equations VLE mode can solve a set of simultaneous equations with two unknowns as follows a x b y c d x e y f where x and y are unknown z In VLE mode you just enter each coefficient a ...

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