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Scientific Calculator
SR-270X
Instruction Manual
Manual de Instrucciones
Livro de Especificacoes
Anweisungshandbuch
Manuel d’instructions
Istruzioni all’Uso
Gebruiksaanwijzing
File name: HDB0R100721_Cover_ok.doc version : 2010/07/12
SIZE:140x74mm
PARTS NO. HDB0R100721 (SR100)
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General Guide .................................................3 Turning on or off.............................................3 Battery replacement .......................................3 Auto power-off function .................................3 Reset operation ..............................................3 Contrast adjustment.......................................3 Display readout ..............................................4 Before Starting Calculation ..
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Probability ....................................................13 -1 2 3 X √ Other functions ( , , , x , x , 3 y x , x , Abs, RND ) .........................................14 Multi-statement Function .............................14 Statistical Calculations .................................14 To Enter data for statistical analysis............15 To analyze data you have entered ................15 To view or change data ................................17 Functi
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General Guide Turning on or off To turn the calculator on, press [ ON ]; To turn the calculator off, press [ 2nd ] [ OFF ]. Battery replacement SR-270X is a dual power system which is powered by one button-type battery (G13 or L1154) and a solar cell. If the display becomes dim and difficult to read, the batteries should be replaced as soon as possible. To replace batteries: 1) Remove the screw and the battery compartment cover. 2) Remove the old battery and insert a new one wit
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Display readout The display comprises the entry line, the result line, and indicators. D Math Indicator 12369x7532x 32 Entry line 10 39 x10 9.3163308 Result line Entry line SR-270X displays an entry of up to 99 digits. Entries begin on the left; those with more than 15 digits scroll to the left. Press [ ] and [ ] to move the cursor through an entry. However, whenever you input the 89th digit of any calculation, the cursor changes from " " to " " to let you know memory is running
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Give " 2: STAT " as an example: Method : Press [ MODE ] and then key in directly the number of the mode, [ 2 ] , to enter the desired mode immediately. Using " SET UP " keys [ 2nd ] [ SET UP ] display the setup menu that enables you to specify the input /output format, the angle mode, the numeric notation, the statistical setting or the contrast adjustment. The setup menu consist of two screens which you can jump between by using [ ] and [ ]. 1: MthIO 2: LineIO 1: ab/c 2: d/c 3:
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Using " 2nd " " ALPHA " Keys When you press [ 2nd ], the " 2nd " indicator shown on the display indicates 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. When you press [ ALPHA ], the "A" indicator shown on the display indicates that you will be selecting the alphabetic function of the next key you press. If you press [ ALPHA ] by mistake, simply press [ ALPHA ] agai
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Memory calculation Memory variable The calculator has seven memory variables for repeated use -- A, B, C, D, M, X, Y. You can store a real number in any of the seven memory variables. See Example 5. • [ 2nd ] [ STO ] + [ A ] ~ [ D ], [ M ], [ X ] ~ [ Y ] lets you store values to variables. • [ RCL ] + [ A ] ~ [ D ], [ M ], [ X ] ~ [ Y ] recalls the value of the variable. • [ 0 ] [ 2nd ] [ STO ] + [ A ] ~ [ D ], [ M ], [ X ] ~ [ Y ] clears the content to a specified memory variable.
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3) Functions preceded by values, powers, power roots, for 2 3 –1 y X example, x , x , x , x!, DMS, ° , r , g , x , , % 4) Fractions 5) Negations ( – ) ˆ ˆ ˆ ˆ 6) Statistical estimated value calculation: , y , , x x1 x2 7) nPr, nCr 8) x , Multiplication sign omitted immediately before π, e, variable, and function with parentheses: for example, 3π, 5B, Asin(30) 9) +, – Accuracy and Capacity Output digits : Up to 10 digits. Calculating digits : Up to 16 digits In general, every r
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3 33 x x ≦ 2.15443469003 x 10 -1 100 x x ＜1 x 10 , x≠0 3 100 x x < 1 x 10 0 ≦ x ≦ 69 ( x is an integer) X ! 10 nPr 0≦r≦n, 0≦n<1 x 10 (n,r are integers) 100 1≦{n!/(n-r)!}<1 x 10 10 0≦r≦n, 0≦n<1 x 10 (n,r are integers) nCr 100 100 1≦n!/r!<1 x 10 or 1≦{n!/(n-r)!}<1 x 10 100 R P x , y ＜ 1 x 10 100 2 2 ＜ 1 x 10 x + y 100 0 ≦ r ＜ 1 x 10 P R θ: same as sin x 100 │D│, M, S ＜ 1 x 10 , 0 ≦ M, S DMS 100 DMS x < 1 x 10 Decimal Sexagesimal Conversions ׀ ׀ ׀
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(3) When result of function calculations exceeds the range specified (4) When specifying an argument to a function outside the valid range Syntax ERROR (1) Input errors are made, ex. improper syntax (2) When improper arguments are used in commands or functions Stack ERROR When a calculation expression exceeds the capacity of the numeric stack or command stack, ex. When the [ ( ] key is used more than 25 levels in a single expression in linear mode Insufficient MEM When there is in
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Percentage calculation [ 2nd ] [ % ] divides the number in the display by 100. You can use this key sequence to calculate percentages, add-ons, discounts, and percentage ratios. See Example 12~13. Display notations The calculator has the following display notations for the display value. See Example 14. Fixed Decimal Point Notation To specify the number of decimal places, press [ 2nd ] [ SET UP ] [ 6 ] and then a value indicating the number of places ( 0~9 ). Values are displayed r
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Logarithmic and Exponential functions The calculator can calculate common and natural logarithms, and x exponentiation using [ log ], [ ln ], [log b], [ 2nd ] [ 10 ], and [ 2nd ] a x [ e ]. See Example 16~17. Fraction calculation Fraction value display is as follows: Improper Fraction Mixed Fraction 12 5 Math format: 56 5 12 12 」5 Linear format: 56 」5 」12 (Note) : Values are automatically displayed in decimal format whenever the total number of digits of a fractional value
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↔ Sexagesimal Decimal transformation You can use sexagesimal figure (degree, minute and second) to perform calculations and convert values between sexagesimal and decimal notation by using [ DMS ] or [ 2nd ] [ DMS ] keys. See Example 22~23. Sexagesimal figure value display is as follows: ׀ ׀ ׀ Represent 125 degrees (D), 125 45 30 45 minutes(M), 30 seconds(S) Trigonometric / Inverse-Tri. functions SR-270X provides standard trigonometric functions and inverse –1 –1 –1 trigonom
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[ nCr ] Calculates the number of possible combinations of n items taken r at a time. [ x ! ] Calculates the factorial of a specified integer n , where n ≦69. [ RANDM ] Generates a random real number between 0.000 and 0.999. -1 2 3 y 3 X Other functions ( √, , , x , x , x , x , Abs, RND ) -1 The calculator also provides reciprocal ( [ x ] ), square root ( [ √ ] ), 3 X cubic root ( [ 2nd ] [ ] ), universal root ( [ 2nd ] [ ] ), square 2 3 y ( [ x ] ), cubic ( [ x ] ), and expon
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To Enter data for statistical analysis Before entering data, press [ 2nd ] [ SET UP ] [ ] [ 3 ] in sequence to set Frequency column as On or Off. FREQ column enables you to enter the number of repeats for each of the same value occurred. See Example 41. 1. From the STAT menu, choose a calculation type. There will be two Data Editor formats (1–VAR or 2–VAR / regression Data) depending on the type you select. 2. Enter an x - value and press [ = ]. 3. Enter the frequency ( FREQ ) of t
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xσn-1 [5: Var] [ 4 ] Sample standard deviation of x values minX [6: MinMax] [ 1 ] Minimum of x-value maxX [6: MinMax] [ 2 ] Maximum of x-value Paired-variable statistics / Regression calculations Variables Keys Meaning Σx [4: Sum] [ 2 ] Sum of all x values or y values [4: Sum] [ 4 ] Σ y 2 2 2 Σ [4: Sum] [ 1 ] Sum of all x values or y values x 2 [4: Sum] [ 3 ] Σy 3 4 3 [4: Sum] [ 6 ] Sum of all x values or x values Σx 4 [4: Sum] [ 8 ] Σx Σx y [4: Sum] [ 5 ] Sum of ( x
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x ˆ 2 [7: Reg] [ 5 ] Estimated value of x2 [7: Reg] [ 6 ] Estimated value of y ˆ y You also can add a new data anytime. The unit automatically recalculates statistics each time you press [ = ] and enter a new data value. To view or change data 1. Press [ 2nd ] [ STATVAR ] [ 2 ] to enter Editor Screen. 2. Press [ ] or [ ] to scroll through the data you have entered. 3. To change an entry, display it and enter the new data. The new data you enter overwrites the old entry. Press [
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Guía General ...................................................3 Apagado o encendido.....................................3 Substitución de la batería ..............................3 Función de auto apagado...............................3 Operación de restauración.............................3 Ajuste del contraste .......................................4 Lectura de la pantalla .....................................4 Antes de comenzar el cálculo ...................
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Transformación de coordenadas .................15 Probabilidad .................................................15 -1 2 3 X √ Otras funciones ( , , , x , x , 3 y x , x , Abs, RND ) .........................................15 Función multi-sentencia...............................16 Cálculos estadísticos....................................16 Ingreso de datos para análisis estadístico ....................................................16 Para analizar los datos
