DISPLAY ENGLISH Symbol SCIENTIFIC CALCULATOR MODEL EL-W531 EL-W531G EL-W531H EL-W531HA EL-W535 Dot matrix display Mantissa Exponent Memory clear key Press @ P to display the menu. · To initialize the display settings, press 0. The parameters set as follows: · Angular unit: DEG · Display notation: NORM1 · N-base: DEC · To clear all variables and memories (A-F, M, X, Y, D1-D4, ANS, and STAT) at once, press 1 0. · To RESET the calculator, press 2 0. The RESET operation will erase all data stored in memory and restore the calculator's default settings. OPERATION MANUAL PRINTED IN CHINA / IMPRIMÉ EN CHINE / IMPRESO EN CHINA 07BGK (TINSE1278EHZZ) INTRODUCTION Thank you for purchasing the SHARP Scientific Calculator Model EL-W531/W531G/W531H/W531HA/W535. About the calculation examples (including some formulas and tables), refer to the reverse side of this English manual. Refer to the number on the right of each title in the manual for use. After reading this manual, store it in a convenient location for future reference. Notes: · Some of the models described in this manual may not be available in some countries. · This product uses a period as a decimal point. · During actual use, not all symbols are displayed at the same time. · Only the symbols required for the usage under instruction are shown in the display and calculation examples of this manual. Indicates that some contents are hidden in the /: / directions shown. 2ndF: Appears when @ is pressed, indicating that the functions shown in orange are enabled. HYP: Indicates that H has been pressed and the hyperbolic functions are enabled. If @ > is pressed, the symbols "2ndF HYP" appear, indicating that inverse hyperbolic functions are enabled. ALPHA: Indicates that ;, x or t has been pressed, and entry (recall) of memory contents and recall of statistics can be performed. DEG/RAD/GRAD: Indicates angular units. BUSY: Appears during the execution of a calculation. W-VIEW: Indicates that the WriteView editor is selected. M: Indicates that a numerical value is stored in the independent memory (M). ENG/SCI/FIX/N2/N1: Indicates the notation used to display a value and changes by SET UP menu. N1 is displayed on-screen as "NORM1", and N2 as "NORM2". ENTERING, DISPLAYING, AND EDITING THE EQUATION The WriteView Editor 1 Entry and display In the WriteView editor, you can enter and display fractions or certain functions as you would write them. Notes: · The WriteView editor can only be used in NORMAL mode. · If the equation grows too large, it may extend off the edge of the display after you obtain the result. If you want to see the entire equation, press l or r to return to the editing screen. Displaying calculation results When possible, calculation results will be displayed using fractions, r, and . When you press U, the display will cycle through the following display styles: improper fractions (with · Mixed fractions (with or without ) decimal numbers or without ) decimal numbers · Proper fractions (with or without ) · Irrational numbers (square roots, fractions made using square roots) decimal numbers Notes: · In the following cases, calculation results may be displayed using r: · Arithmetic operations and memory calculations · Trigonometric calculations · In trigonometric calculations, when Entry value entering values such as those in multiples of 15 the table to the right, results may be DEG 1 shown using r. RAD multiples of 12 · Calculation results may extend off 50 GRAD multiples of 3 the edges of the screen. You can see those parts by pressing l or r (depending on whether the left or right portion is hidden). · Improper/proper fractions will be converted to and displayed as decimal numbers if the number of digits used in their expression is greater than nine. In the case of mixed fractions, the maximum number of displayable digits (including integers) is eight. · If the number of digits in the denominator of a fractional result that uses is greater than three, the result is converted to and displayed as a decimal number. Operational Notes · Do not carry the calculator around in your back pocket, as it may break when you sit down. The display is made of glass and is particularly fragile. · Keep the calculator away from extreme heat such as on a car dashboard or near a heater, and avoid exposing it to excessively humid or dusty environments. · Since this product is not waterproof, do not use it or store it where fluids, for example water, can splash onto it. Raindrops, water spray, juice, coffee, steam, perspiration, etc. will also cause malfunction. · Clean with a soft, dry cloth. Do not use solvents or a wet cloth. · Do not drop it or apply excessive force. · Never dispose of batteries in a fire. · Keep batteries out of the reach of children. · This product, including accessories, may change due to upgrading without prior notice. BEFORE USING THE CALCULATOR When using for the first time, press the RESET switch (on the back), with the tip of a ball-point pen or similar object. Adjusting the Display Contrast Press J 3, then + or & to adjust the contrast. Press j to exit. Power On and Off Press j to turn the calculator on. The data that was onscreen when the power was turned off will appear on the display. Press @ o to turn it off. Key Notations Used in this Manual In this manual, key operations are described as follows: To specify e x: @ " To specify ln: i To specify E: ; E · Functions that are printed in orange above the key require @ to be pressed first before the key. When you specify the memory, press ; first. Numbers for input values are not shown as keys, but as ordinary numbers. · Functions that are printed in gray adjacent to the keys are effective in specific modes. NOTICE · SHARP strongly recommends that separate permanent written records be kept of all important data. Data may be lost or altered in virtually any electronic memory product under certain circumstances. Therefore, SHARP assumes no responsibility for data lost or otherwise rendered unusable whether as a result of improper use, repairs, defects, battery replacement, use after the specified battery life has expired, or any other cause. · SHARP will not be liable nor responsible for any incidental or consequential economic or property damage caused by misuse and/or malfunctions of this product and its peripherals, unless such liability is acknowledged by law. Press the RESET switch (on the back), with the tip of a ball-point pen or similar object, only in the following cases. Do not use an object with a breakable or sharp tip. Note that pressing the RESET switch erases all data stored in memory. · When using for the first time · After replacing the battery · To clear all memory contents · When an abnormal condition occurs and all keys are inoperative If service should be required on this calculator, use only a SHARP servicing dealer, SHARP approved service facility, or SHARP repair service where available. The Line Editor Entry and display In the Line editor, you can enter and display equations line by line. Notes: · Up to three lines of text may be viewed on the screen at one time. · If the length of the equation exceeds three lines, parts of it may be hidden from view after calculation. If you want to see the rest of the equation, press l or r to return to the editing screen. · In the Line editor, calculation results are displayed in decimal form. The WriteView and Line Editors This calculator has the following two editors in NORMAL mode: WriteView and Line. You can select between them in the SET UP menu. Editing the Equation The WriteView editor (default) The Line editor Note: In certain calculation examples, where you see the o symbol, the key operations and calculation results are shown as they would appear in the Line editor. Clearing the Entry and Memories Operation j @Z Mode selection (b) @ P 0*4 @ P 1 0*4 @ P 2 0*4 RESET switch : Clear : Retain Entry A­F*1, D1­D4*2 ANS STAT*3 (Display) M, X, Y Just after obtaining an answer, pressing l brings you to the end of the equation and pressing r brings you to the beginning. Press l, r, u, or d to move the cursor. Press @ l or @ r to jump the cursor to the beginning or the end of the equation. In the WriteView editor, you can use u and d to move the cursor up and down--between the numerator and denominator, for example. Back space and delete key To delete a number or function, move the cursor to the right of it, then press N. You can also delete a number or function that the cursor is directly over by pressing @ y. Hard Case *5 Multi-line Playback Function 2 Remove the hard case, holding it with your fingers in the positions shown below. *1 Press j x and then choose a memory to clear one variable memory. *2 Definable memory. See "Memory Calculations". *3 Statistical data (entered data) *4 See "Memory clear key". *5 Cleared when changing between sub-modes in STAT mode. This calculator is equipped with a function to recall previous equations and answers in NORMAL mode. A maximum of 340 characters can be stored in memory. When the memory is full, stored equations will be deleted to make room, starting with the oldest. Pressing u will display the previous equation. Further pressing u will display preceding equations (after returning to the previous equation, press d to view equations in order). In addition, @ u can be used to jump to the oldest equation, and @ d to jump to the newest one. · To edit an equation after recalling it, press l or r. · The multi-line memory will be cleared by the following operations: @ Z , mode change, RESET, N-base conversion, angular unit conversion, editor change (J 2 0 or J 2 1), and memory clear (@ P 1 0). · Equations that have one result require an additional eleven characters' worth of memory to store in order to hold the result. · In addition to the amount of memory needed to store an equation, the WriteView editor will require a certain amount for the sake of display. · Equations also include calculation ending instructions, such as "=". Functions 6 Priority Levels in Calculation This calculator performs operations according to the following priority: Functions preceded by their argument Fractions (1m4, etc.) (x -1, x 2, n!, etc.) y x, xr Implied multiplication of a memory value (2Y, etc.) Functions followed by their argument (sin, cos, 1 etc.) Implied multiplication of a function (2sin 30, A , etc.) 4 nCr, nPr ×, ÷ +, - AND OR, XOR, XNOR =, M+, M-, M, DEG, RAD, GRAD, DATA, CD, r, xy, and other calculation ending instructions · If parentheses are used, parenthesized calculations have precedence over any other calculations. · Refer to the calculation examples for each function. · In the Line editor, the following symbols are used: : to indicate an expression's power. (m, @ ", · @ Y) · : to separate integers, numerators, and denominators. (W, @ k) · When using @ O or @ W in the Line editor, values are entered in the following way: · logn (base, value) · abs value Random Function The random function has four settings. (This function cannot be selected while using the N-base function.) To generate further random numbers in succession, press e. Press j to exit. Random numbers A pseudo-random number, with three significant digits from 0 up to 0.999, can be generated by pressing @ w 0 e. Note: In the WriteView editor, the result will be a fraction or 0. Random dice To simulate a die-rolling, a random integer between 1 and 6 can be generated by pressing @ w 1 e. Random coin To simulate a coin flip, 0 (heads) or 1 (tails) can be randomly generated by pressing @ w 2 e. Random integer An integer between 0 and 99 can be generated randomly by pressing @ w 3 e. INITIAL SET UP Mode Selection NORMAL mode: b 0 (default) Used to perform arithmetic operations and function calculations. STAT mode: b 1 Used to perform statistical operations. DRILL mode: b 2 Used to practice math and multiplication table drills. SET UP Menu Press J to display the SET UP menu. Press j to exit the SET UP menu. Determination of the angular unit The following three angular units (degrees, radians, and grads) can be specified. DEG (°): J 0 0 (default) RAD (rad): J 0 1 GRAD (g): J 0 2 3 Selecting the display notation and decimal places Five display notation systems are used to display calculation results: Two settings of Floating point (NORM1 and NORM2), Fixed decimal point (FIX), Scientific notation (SCI), and Engineering notation (ENG). · When J 1 0 (FIX) or J 1 2 (ENG) is pressed, "TAB(0­9)?" will be displayed and the number of decimal places (TAB) can be set to any value between 0 and 9. · When J 1 1 (SCI) is pressed, "SIG(0­9)?" will be displayed and the number of significant digits can be set to any value between 0 and 9. Entering 0 will set a 10-digit display. Angular Unit Conversions 7 Each time @ ] is pressed, the angular unit changes in sequence. Memory Calculations 8 Memory ...