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SRP-280N/SRP-285N
SR285,A COVER front 2010/04/26 140X75mm
HDBSR285T19 (SR285,A)
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General Guide .................................................3 Turning On And Off.........................................3 Battery Replacement ......................................3 Auto Power-Off Function................................3 Reset Operation..............................................3 Contrast Adjustment.......................................4 Display Readout .............................................4 Before starting calculation ..........
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Unit Conversions..........................................15 Physical Constants.......................................15 Mode 1 - STAT................................................16 Single-Variable / Two-Variable Statistics .....16 Process capability ........................................17 Probability distribution ................................17 Linear regression .........................................18 Correcting data...............................
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General Guide Turning On And Off To turn the calculator on, press [ ON ] ; To turn the calculator off, press [ 2nd ] [ OFF ]. Battery Replacement SRP-280N is powered by one alkaline battery (G13/LR44). SRP-285N is dual power system which is powered by one alkaline battery (G13/LR44) and a solar cell. If the display becomes dim and difficult to read (especially when lighting is dim for SRP-285N), the battery should be replaced as soon as possible. To replace battery : 1) Remove t
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Contrast Adjustment Pressing the [ ] or [ ] following [ MODE ] key can make the contrast of the screen lighter or darker. Holding either key down will make the display become respectively lighter or darker. Display Readout The display comprises the entry line, the result line, and indicators. MA IN DEG Indicator Indicator Entry line 74 – 8 / 7 72.85714286 Result line Entry line The calculator displays an entry of up to 76 digits. Entries begin on the left ; those with more th
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There are digits to the left or right of the display There are earlier or later results that can be displayed 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 pressi
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Making corrections during input To delete a character at the cursor, make the character underlined by using [ ] or [ ] to move the cursor, and then press [ DEL ] to delete the character. To replace a character, make the character underlined by using [ ] or [ ] to move the cursor, and then enter a new entry to replace the character. To insert a character, move the cursor to the position of the character where you want to insert, it will be inserted in the front of the character a
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The calculator has ten memory variables for repeated use : A, B, and . You can store a real C, X, Y, M, X1, X2, PROG1 PROG2 number in variables and an expression in A, B, C, X, Y, M, X1, X2 and . See Example 5. PROG1 PROG2 * [ P/V RCL ] recalls all variables. * [ SAVE ] lets you store values to variables. * [ 2nd ] [ RECALL ] recalls the value of variable. * [ 2nd ] [ CL-VAR ] clears all variables except PROG1, PROG2. * [ 2nd ] [ CL-PROG ] clears the contents of PROG1, PROG2. (N
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• Compound functions are executed from right to left. • Anything contained within parentheses receives the highest priority. Accuracy And Capacity Output digits : Up to 10 digits Calculating digits : Up to 24 digits In general, every reasonable calculation is displayed up to 10 digits ± 99 mantissa, or 10-digits mantissa plus 2-digits exponent up to 10 . Numbers used as input must be within the range of the given function as follow : Functions Input range 10 sin x Deg : x <
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100 2 2 P (x, y) x + y < 1 x 10 100 R (r, θ) 0 ≤ r < 1 x 10 10 Deg：│θ│< 4.5 x 10 deg 8 Rad：│θ│ 2.5 x 10 πrad < 10 Grad：│θ│< 5 x 10 grad however, for tanθ Deg：│θ│≠90 (2n+1) π Rad：│θ│≠ (2n+1) 2 ：│θ│≠ Grad 100 (2n+1), (n is an integer) 100 DMS │DD│, MM, SS.SS ＜ 1 x 10 , 0 ≤ MM, SS.SS 100 x < 10 y 100 x x > 0 : –1 x 10 < y log x < 100 x = 0 : y > 0 x < 0 : y = n, 1/(2n+1), n is an integer. 100 but –1 x 10 < y log ⏐ x⏐ < 100 1 x 100 y y > 0 : x ≠ 0, –1 x 10 < log
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Base–n DEC : – 2147483648 ≤ x ≤ 2147483647 BIN : 10000000000000000000000000000000 ≤ x ≤ 11111111111111111111111111111111 (for negative) 0 ≤ x ≤ 01111111111111111111111111111111 (for zero, positive) OCT : 20000000000 ≤ x ≤ 37777777777(for negative) 0 ≤ x ≤ 17777777777 (for zero or positive) HEX : 80000000 ≤ x ≤ FFFFFFFF (for negative) 0 ≤ x ≤ 7FFFFFFF ( for zero or positive) Error Conditions Error message will appear on the display and further calculation becomes impossible
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Mode 0 - MAIN Arithmetic Calculations Arithmetic operations are performed by pressing the keys in the same sequence as in the expression. See Example 6. For negative values, press [ ( ) ] before entering the value. See − Example 7. For mixed arithmetic operations, multiplication and division are given priority over addition and subtraction. See Example 8. 10 -9 Results greater than 10 or less than 10 are displayed in exponential form. See Example 9. Display formats
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A multiplication sign " x " occurring immediately before an open parenthesis can omitted. See Example 17. (Note) : The calculator can auto-correct abbreviated multiplication in front of all functions, except memory variables, left parenthesis, type B functions. Henceforth, abbreviated type will not be used in this manual. See Example 18. The correct result cannot be derived by entering [ ( ] 2 [ + ] 3 [ ) ] [ EXP ] 2. Be sure to enter [ x ] 1 between the [ ) ] and [ EXP ] in th
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b To enter a mixed number, enter the integer part, press [ a / ], c b enter the numerator, press [ a / ], and enter the denominator ; To c b enter an improper fraction, enter the numerator, press [ a / ], and c enter the denominator. See Example 28. During a fraction calculation, if the figure is reducible, a figure is reduced to the lowest terms after pressing a function command key ( [ + ], [ – ], [ x ] or [ ] ) or the [ ] key. By pressing b d [ 2nd ] [ a / / ], the displayed va
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Trigonometric / Inverse-Tri. Functions The calculator provides standard trigonometric functions and inverse –1 –1 –1 trigonometric functions - sin, cos, tan, sin , cos and tan . See Example 35~37. (Note) : When using those keys, make sure the calculator is set for the angle unit you want. Hyperbolic / Inverse-Hyp. Functions The calculator uses [ 2nd ] [ HYP ] to calculate the hyperbolic functions and inverse- hyperbolic functions – sinh, cosh, tanh, –1 –1 –1 sinh , cosh and tanh
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–1 2 X Other Functions ( x , √, , x , ) ^ –1 The calculator also provides reciprocal ( [ x ] ), square root 2 X ( [ √ ] ), universal root ( [ ] ), square ( [ x ] ) and exponentiation ( [ ] ) functions. See Example 47~50. ^ Unit Conversions The calculator has a built-in unit conversion feature that enables you to convert numbers from metric to English units and vice versa. See Example 51. 1. Enter the number you want to convert. 2. Press [ 2nd ] [ CONV ] to display the men
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To insert a constant at the cursor position ( See Example 52. ) : 1. Press [ CONST ] to display the physical constants menu. 2. Press [ ] until the constant you want is underlined. 3. Press [ ]. Mode 1 - STAT There are three menu operations in statistics menu : 1–VAR ( for analyzing data in a single dataset), 2–VAR ( for analyzing paired data from two datasets ) and D–CL ( for clearing all datasets). See Example 38. Single-Variable / Two-Variable Statistics Step : 1. From the
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2 2 2 2 Σx or Σy Sum of all x values or y values Σ x y Sum of (x y) for all x-y pairs Process capability Step : ( See Example 53~54. ) 1. Press [ DATA ] and there are three menus : DATA–INPUT, LIMIT–SET, DISTR. Please select LIMIT–SET and press [ ]. 2. Enter an upper spec. limit value ( X USL or Y USL), then press [ ]. 3. Enter a lower spec. limit value ( X LSL or Y LSL ), then press [ ]. 4. Enter the datasets you want under DATA–INPUT mode. 5. Press [ 2nd ] [ STATVAR ]
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Variable Meaning t Test value P ( t ) Represent the cumulative fraction of the standard normal distribution that is less than the value t R ( t ) Represent the cumulative fraction of the standard normal distribution that lies between the value t and 0. R ( t ) =1 – ( t ) Q ( t ) Represent the cumulative fraction of the standard normal distribution that is greater than the value t Q ( t ) = | 0.5 – ( t ) | Linear regression Step : ( See Example 56. ) 1. Based on the dat
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limit value, or lower spec. limit value, please choose . To change ax, please choose . LIMIT–SET DISTR 3. Press [ ] to scroll through the data you have entered. 4. To change an entry, display it and enter the new data. The new data you enter overwrites the old entry. Press [ ] or [ ] to save the change. (Note) : Even you exit STAT mode, all data in 1–VAR and 2–VAR mode are still retained unless you clear all data by selecting D–CL mode. Mode 2 - Base-n Bases conversions The
