User manual SHARP EL-509/531V/H

[. . . ] After reading this manual, store it in a convenient location for future reference. Note : One of the models described in this manual may not be available in some countries. 0 y sy y y y2 xy r a b c Means of samples (y data) Sample standard deviation (y data) Population standard deviation (y data) Sum of samples (y data) Sum of squares of samples (y data) Sum of products of samples (x, y) Correlation coefficient Coefficient of regression equation Coefficient of regression equation Coefficient of quadratic regression equation X Arithmetic Operations (2) Rectangular coord. Polar coord. · The closing parenthesis ) just before = or ; may be omitted. · Refer to the Note of the Memory Calculations section. Entered data are kept in memory until @ c or @ m 3 are pressed. Before entering new data, clear the memory contents. Calculations Using Physical Constants (13) Constant Calculations (3) Operational Notes To ensure trouble-free operation, please observe the following points: 1. o Press the RESET switch only in the following cases: · When using for the first time · After replacing the batteries · To clear all memory contents · When an abnormal condition occurs and all keys are inoperative. [. . . ] Edit the equation or press ª to clear the equation. xy/r 2ndF Performing Calculations ALPHA : Indicates that @ K or O (R) has been pressed, and entry (recall) of memory contents and recall of statistics can be performed. FIX/SCI/ENG: Indicates the notation used to display a value and changes each time @ f are pressed. DEG/RAD/GRAD: Indicates angular units and changes each time @G is pressed. ALGB STAT y 1Press m0. Input the value of the flashing a x0 x 1 x2 x3 bx : Appears when a simulation calculation is executed. : Indicates that a numerical value is stored in the independent memory. : Indicates that the calculator is waiting for a numerical value to be entered, such as during simulation calculation. : Appears when the calculator shows an angle as the result in the complex calculation mode. x0 a y x2 b x x1 x3 variable, then press ® to confirm. The calculation result will be displayed after entering the value for all used variables. · Upon completing the calculation, press to perform calculations using the same formula. · Variables and numerical values stored in the memories will be displayed in the variable input screen. To change a numerical value, input the new value and press ®. Error Codes and Error Types Syntax error (Error 1): · An attempt was made to perform an invalid operation. Note: Calculation results from the functions indicated below are automatically stored in memories X or Y. For this reason, when using these functions, be careful with the use of memories X and Y. X memory (r or x), Y memory ( or y) Temporary memories and last answer memory are cleared even when the same mode is reselected. Performing Calculations 1Press @m2. 2Enter each coefficient from a1 to d3 followed by ®, as prompted on the display. 3Upon pressing ® after entering d3, the solution for x will be Caution · Keep batteries out of the reach of children. · Exhausted batteries left in the calculator may leak and damage the calculator. · Batteries must be replaced only with others of the same type. · Do not throw batteries into a fire as they may explode. Multi-line Playback function (1) displayed. Subsequent pressing will cycle through the values of y, z and the determinant D. · Coefficients can be entered using ordinary arithmetic operations. Note: Pressing ® when the determinant D is in the display recalls the coefficients. [. . . ] After selecting the statistics mode, select the desired sub-mode by pressing the number key corresponding to your choice. When changing to the statistical sub-mode, press the corresponding number key after performing the operation to select the statistics mode (press @m3). 0 (STAT 0) : Single-variable statistics 1 (STAT 1) : Linear regression calculation 2 (STAT 2) : Quadratic regression calculation 3 (STAT 3) : Exponential regression calculation 4 (STAT 4) : Logarithmic regression calculation 5 (STAT 5) : Power regression calculation 6 (STAT 6) : Inverse regression calculation The following statistics can be obtained for each statistical calculation (refer to the table below): Priority Levels in Calculation This calculator performs operations according to the following priority: Functions preceded by their argument (x-1, x2, n!, etc. ) Implied multiplication of a memory value (2Y, etc. ) Yx, x¿ Functions followed by their argument (sin, cos, etc. ) Implied nCr, nPr ×, ÷ +, ­ multiplication of a function (2sin30, etc. ) AND OR, XOR, XNOR =, M+, M­, M, |DEG, |RAD, |GRAD, DATA, CD, r, xy and other calculation ending instruction · If parentheses are used, parenthesized calculations have precedence over any other calculations. 12 4 F G H 7 8 6 9 3 5 This calculator allows the previous calculation result to be used in the following calculation. The previous calculation result will not be recalled after entering multiple instructions. (Fig. [. . . ]