Contents BASIC DEFINITIONS.......................................................... 2 The Keys .......................................................................................2 GENERAL KEYS ..............................................................................2 MEMORY KEYS ...............................................................................2 SPECIAL KEYS ................................................................................3 UNIT CONVERSION KEY ................................................................4 FUNCTION KEYS.............................................................................4 PROGRAMMING KEYS (USE IN THE PGM MODE ONLY) ............6 STATISTICAL KEYS (USE IN THE STAT MODE ONLY).................6 THE DISPLAY..................................................................... 7 ORDER OF OPERATIONS................................................. 8 ACCURACY AND CAPACITY............................................ 8 OVERFLOW / ERROR CONDITIONS ................................ 9 POWER SUPPLY.............................................................. 10 NORMAL CALCULATIONS ............................................. 10 Basic Calculation (Including Parenthesis Calculations) ..............10 Constant Calculations..................................................................10 Memory Calculations ...................................................................11 FUNCTION CALCULATIONS........................................... 11 Sexagesimal Decimal conversion ...........................................11 Fraction Calculation.....................................................................12 Trigonometric / Inverse ­ Tri. Functions ......................................12 Hyperbolic Functions and Inverse ­ Hyp. Functions ...................12 Common And Natural Logarithms / Exponentiations ...................13 Power, Root, Reciprocals, Factorials...........................................13 Unit Conversion ...........................................................................13 Physics Constants .......................................................................14 STANDARD DEVIATIONS ............................................... 14 PROGRAMMING .............................................................. 15 -E1SR260C_English_black_090402.doc SIZE: 140x75mm 2009/4/15 SCALE 2:1 BASIC DEFINITIONS The Keys To keep your calculators as compact as possible, some keys have more than one function. You can change the function of a key by pressing another key first, or by setting the calculator in a certain mode. The following pages give you more detailed explanation of each key's use and function. [ 2ndF ] Second Function Select Key Some keys have a second function inscribed above them. To perform this second function, press [ 2ndF ]. " 2F " appears in the display then press the key. GENERAL KEYS [ 0 ] ~[ 9 ] [] Data Entry keys Press these keys in their logical sequence to enter numbers. [ + ] [ ­ ] [ x ] [ ÷ ] [ = ] Basic Calculation Keys Press these keys in their logical sequence for addition, subtraction, multiplication, division, and to display answers. [ ON/C ] Power On / Clear Key Press [ ON/C ] to turn on the calculator and to clear everything except the contents of the memory, constant memory(Ka, Kb), and program memory. [ CE ] Clear Entry Key Press [ CE ] to erase incorrect entries. [ 00 0 ] Right Shift Key Press to clear the last significant digit of the number displayed. (Ex.) 123456 [ 00 0 ] [ 00 0 ] 123456. 12345. 1234. [ +/­ ] Sign Change Key Press [ +/­ ] to change the displayed number from positive to negative or from negative to positive. MEMORY KEYS [ MR ] Memory Recall Key Press [ MR ] to display the contents of the memory. [ X M ] Memory Store Key Press [ X M ] to store the displayed value into memory. Any previous value in memory is automatically erased. -E2SR260C_English_black_090402.doc SIZE: 140x75mm 2009/4/15 SCALE 2:1 [ M+ ] Memory Plus Key Press [ M+ ] to total the current calculation and add the result to the value already in memory. [ 2ndF ] [ Ka X K ], [ 2ndF ] [ Kb X K ] Constant (Ka, Kb) Memory Store Key Press to enter the displayed value into constant memory Ka or Kb. [ Ka X K ], [ Kb X K ] Memory Recall Key Press to display the contents of a constant memory. Note : · Constant memories Ka and Kb can have a value of 0 · If you press [ Ka X K ] or [ Kb X K ] after entering a number or marking a calculation, the displayed value is multiplied by the value in Ka or Kb. SPECIAL KEYS [ ( ], [ ) ] Parenthesis Keys Press to override the calculation's default order of operation by using parentheses. You can use up to 6 levels of parenthes in a single calculation. [ EXP ] Exponent Key To enter a number in scientific notation, first enter the numbers for the mantissa, press [ EXP ], and then enter the numbers for the exponent. [ 2ndF ] [ ] Key Press [ 2ndF ] [] to display the value of , which is the ratio of circle's circumference to its diameter (approximately 3.141592654). [ 2ndF ] [ XY ] Register Exchange Key Press [ 2ndF ] [ XY ] to exchange the displayed value (X­register) with the contents of the working register (Y­register). (Ex.) 123 [ + ] 456 [ = ] [ 2ndF ] [ XY ] [ 2ndF ] [ XY ] 579. 456. 579. [ 2ndF ] [ FIX ] Decimal Point Set Key Use to set the number of digits displayed after the decimal point in either final or intermediate results. The calculator continues to use its full range for internal calculations and only rounds the number in the display. · [ 2ndF ] [ FIX ] [ 0 ]~[ 6 ] ­­ Sets the number of digits to be displayed to the right of decimal point. · [ 2ndF ] [ FIX ] [ 7 ], [ 8 ], [ 9 ], [] ­­ Selects floating point format. (Ex.) 5[÷]9[=] [ 2ndF ] [ FIX ] [ 2 ] [ 2ndF ] [ FIX ] [ 5 ] -E3SR260C_English_black_090402.doc SIZE: 140x75mm 2009/4/15 SCALE 2:1 0.555555556 0.56 0.55556 [ 2ndF ] [ FIX ] [ ] 0. 555555556 Note : [ 2ndF ] [ FIX ] is inactive immediately after and during numerical input. [ SCI ] Scientific Key Converts the displayed number into a power of ten and back. (Ex.) : 12.3456 [ x ] 10 [ = ] [ SCI ] [ SCI ] [ SCI ] 123.456 1.23456 02 123.456 1.23456 02 [ DRG ] Angle unit conversion key Press to change the angle unit as DEG (Degrees), RAD (Radian), or GRAD (Gradient). UNIT CONVERSION KEY This calculator has 13 unit conversion keys as follows. Each key has two conversion features. For example, pressing [ A B ] before [ incm] can convert a number in inches to centimeters ; Pressing [ 2ndF ] [ A B ] before [ incm] can convert a number in centimeters to inches. Key [ incm ] [ feetm ] [ feet 2 m 2 ] [ B.gall ] [ gall ] [ Pintl ] [ Tr.ozg ] [ ozg ] [ lbkg ] [ atmkpa ] [ calKJ ] [ ] [ mmHgkpa ] Meanings inchcentimeter feetmeter feet 2 meter 2 Britain. gallonliter gallonliter Pintliter Troy ouncegram ouncegram librakilogram atmospheric pressurekilopascal calorieKilo­Joule Fahrenheit Celsius mmHgkilopascal FUNCTION KEYS [ 2ndF ] [ ], [ 2ndF ] [ ] Sexagesimal Notation / Decimal Notation Conversion Keys To change from sexagesimal (base 60) notation (degree, minute, ]. To second) to decimal notation (degree) press [ 2ndF ] [ change from decimal notation to sexagesimal notation, enter the number in decimal form and then press [ 2ndF ] [ ]. [ sin ], [ cos ], [ tan ] Sine, Cosine, Tangent Keys Calculate the trigonometric functions of the displayed value. -E4SR260C_English_black_090402.doc SIZE: 140x75mm 2009/4/15 SCALE 2:1 [ 2ndF ] [ sin ­1 ], [ 2ndF ] [ cos­1 ], [ 2ndF ] [ tan­1 ] Inverse Sine, Inverse Cosine, Inverse Tangent Keys Calculate the inverse trigonometric functions of the displayed value. [ 2ndF ] [ HYP ] [ sin ], [ 2ndF ] [ HYP ] [ cos ], [ 2ndF ] [ HYP ] [ tan ] Hyperbolic Keys Calculate the hyperbolic functions of the displayed value. [ 2ndF ] [ HYP ] [ 2ndF ] [ sin­1 ], [ 2ndF ] [ HYP ] [ 2ndF ] [ cos­1 ], [ 2ndF ] [ HYP ] [ 2ndF ] [ tan­1 ] Inverse Hyperbolic Keys Calculate inverse hyperbolic functions of the displayed value. [ log ], [ 2ndF ] [ 10 ] Common Logarithm And Common Antilogarithm Keys Calculate the common logarithm of the displayed value. To calculate the common antilogarithm of the displayed value, press [ 2ndF ] [ 10 x ]. [ ln ], [ 2ndF ] [ ex ] Natural Logarithm And Natural Antilogarithm Keys To calculate the neutral logarithm of the displayed value, press [ ln ]. To calculate the natural antilogarithm of the displayed value, press x [ 2ndF ] [ e ]. [ ], [ x 2 ] Square Root And Square Keys Press [ ] to find the square root of the displayed value. To square the displayed value, press [ x 2 ]. [ 2ndF ] [ 3 ] Cubic Root Key Press [ 2ndF ] [ 3 ] to find the cubic root of the displayed value. [ 2ndF ] [ 1/x ] Reciprocal Key Press [ 2ndF ] [ 1/x ] to calculate the reciprocal of the displayed value. [ 2ndF ] [ x! ] Factorial Key To find the factorial of the displayed value, press [ 2ndF ] [ x! ] [ x y ] Power Key Press any number [ x ],[ x y ], any number [ y ], and [ = ] raise x to the y power. [ 2ndF ] [ y x x ] Root Key y Press any number [ x ] [ 2ndF ] [ display the yth root of x. [ a b/c ], [ 2ndF ] [ x ], any number [ y ], and [ = ] to d/e ] Fraction key Pressing by [ a b/c ] can enter a fraction or convert a fraction to a decimal number. Pressing by [ 2ndF ] [ d/e ] can convert a mixed number to an improper fraction and vice versa. [ CONST ] Physics Constant Key This calculator enables you to perform calculations with 15 built­in -E5SR260C_English_black_090402.doc SIZE: 140x75mm 2009/4/15 SCALE 2:1 physics constants. Just pressing [ CONST ] key continuously can show the following symbols and values. Symbol Meaning Value c g G Vm NA R e me mp mn u h k 0 0 Speed of light Acceleration of gravity Gravitational constant Molar volume of ideal gas Avagadro's number Molar gas constant Elementary charge Electron mass Proton mass Neutron mass Unified atomic mass Plank constant Boltzmann constant Magnetic permittivity Dielectric permittivity 299792458 m / s 9.80665 m s ­2 6.6725985 x 10 ­11 N m 2 kg ­2 0.0224141 m 3 mol ­1 6.022136736 x 10 23 mol ­1 8.3145107 J / K mol 1.6021773349 x 10 ­19 C 9.109389754 x 10 ­31 kg 1.67262311 x 10 ­27 kg 1.67492861 x 10 ­27 kg 1.66054021 x 10 ­27 kg 6.62607554 x 10 ­34J.S 1.38065812 x 10 ­23 J.K ­1 1.2566370614 x 10 -06 Hm ­1 8.854187817 x 10 ­12 Fm ­1 PROGRAMMING KEYS (USE IN THE PGM MODE ONLY) [ 2ndF ] [ PGM ]Program Mode Set and Clear Key Set the calculator to the learn program mode. PGM appears on the display and the previous contents of program memory are cleared. When you finish entering the program, press [ 2ndF ] [ PGM ]. The program you just entered is stored in the program memory. PGM disappears and the calculator exits the program mode. [ RUN ]Compute Key Runs the recorded program. [ 2ndF ] [ [X] ]Specify Variable Key Lets you have the calculator wait for an entry during a program. [ 2ndF ] [ HALT ]Temporarily Halt Calculation Key Temporarily halts a program so you can view the intermediate results or interrupt calculation. STATISTICAL KEYS (USE IN THE STAT MODE ONLY) [ 2ndF ] [ STAT ] Statistical Mode Select Key Sets the calculator to statistical calculation mode. STAT appears in the display. [ 2ndF ] [ CAD ] Statistical Register Clear Key Clears the statistical calculation registers. -E6SR260C_English_black_090402.doc SIZE: 140x75mm 2009/4/15 SCALE 2:1 [ DATA ], [ DEL ] Data Entry and Delete Key In the STAT mode, enter data by pressing the desired numbers, then [ DATA ]. If you enter incorrect data and do not notice your mistake until you press [ DATA ], enter the same incorrect data and then press [ DEL ] to delete that incorrect data. [ x ] Arithmetic Mean Key Calculates the arithmetic mean ( x ) of the data. [ 2ndF ] [] Population Standard Deviation Key Calculates the population standard deviation of the data. [ S ] Sample Standard Deviation Key Calculates the sample standard deviation of the data. [ 2ndF ] [x 2 ] Sum of Square Value Key Calculates the sum of the square value (x 2) of the data. [ 2ndF ] [ x ] Sum of Value Key Calculates the sum of the value (x ) of the data. [ n ] Number of Data Key Displays the number of data (n) entries. The Display Indicators showed on the display to indicate you the current status of the calculator. · Floating point displays up to 10 digits. · The mantissa section displays up to 8 digits. the exponent section displays up to ±99. STAT M ­ E PGM CONST GRAD RAD DEG BUSY 2F HYP ( : Indicates the statistical mode. : Indicates that a value is stored in memory. : Appears to the left of the mantissa or exponent to indicate that the respective value is negative. : Indicates an error. : Indicates the program learn mode. : Indicates the constant mode. : Indicates the gradient units have been selected. : Indicates that radian units have been selected. : indicates that degree units have been selected. : While an operation is executing. : Indicates the deviation value : Appears ...