Casio fx-500ES User Manual
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Casio fx-500ES User Manual

Casio calculator fx-500es user's guide
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E
fx-500ES
User's Guide
http://world.casio.com/edu/
RCA502127-001V01

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  • Page 1 User's Guide http://world.casio.com/edu/ RCA502127-001V01...
  • Page 2 CASIO Europe GmbH Bornbarch 10, 22848 Norderstedt, Germany...

  • Page 3: About This Manual

    About this Manual • The MATH mark indicates an example that uses Math format, while the LINE mark indicates Linear format. For details about input/output formats, see “Specifying the Input/Output Format”. • Keycap markings indicate what a key inputs or what function it performs.

  • Page 4: Initializing The Calculator

    • The contents of this manual are subject to change without notice. • In no event shall CASIO Computer Co., Ltd. be liable to anyone for special, collateral, incidental, or consequential damages in connection with or arising out of the purchase or use of this product and items that come with it.

  • Page 5: Safety Precautions

    This symbol is used to indicate information that can result in personal injury or material damage if ignored. Battery • After removing the battery from the calculator, put it in a safe place where it will not get into the hands of small children and accidentally swallowed.

  • Page 6: Handling Precautions

    • Never try to take the calculator apart. • Never press the keys of the calculator with a ballpoint pen or other pointed object. • Use a soft, dry cloth to clean the exterior of the calculator.

  • Page 7: Before Using The Calculator

    Removing the Hard Case Before using the calculator, slide its hard case downwards to remove it, and then affix the hard case to the back of the calculator as shown in the illustration below. k Turning Power On and Off •...

  • Page 8: About The Display

    There is a value stored in independent memory. The calculator is standing by for input of a variable name to assign a value to the variable. This indicator appears after you press 1t(STO).

  • Page 9: Calculation Modes And Calculator Setup

    (2) Press the number key that corresponds to the mode you want to select. • To select the STAT Mode, for example, press 2. k Configuring the Calculator Setup Pressing 1N(SETUP) displays the setup menu, which you can use to control how the calculations are executed and displayed. The setup menu has two screens, which you can jump between using c and f.
  • Page 10 Specifying the Input/Output Format For this input/output format: Math Linear • Math format causes fractions, irrational numbers, and other expressions to be displayed as they are written on paper. • Linear format causes fractions and other expressions to be displayed in a single line. Math Format Specifying the Default Angle Unit To specify this as the default...
  • Page 11 • Norm: Selecting one of the two available settings (Norm1, Norm2) determines the range in which results will be displayed in non- exponential format. Outside the specified range, results are displayed using exponential format. –2 >  Norm1: 10 –9 >...

  • Page 12: Inputting Expressions And Values

    Standard Format Your calculator lets you input calculation expressions just as they are written. Then simply press the = key to execute it. The calculator automatically judges the calculation priority sequence for addition, subtraction, multiplication, and division, functions, and parentheses.

  • Page 13: Omitting The Multiplication Sign

    Example: sin 30 = LINE • Note that the input procedure is different if you want to use Math format. For more information, see “Inputting with Math Format”. Omitting the Multiplication Sign You can omit the multiplication sign (×) in any of the following cases. •...
  • Page 14 See “Incorporating a Value into a Function” for more information. • The calculator automatically changes to the insert mode whenever you change the input/output format from Linear to Math. Changing the Character or Function You Just Input Example: To correct the expression 369 ×...
  • Page 15 Deleting a Character or Function Example: To correct the expression 369 × × 12 so it becomes 369 × 12 LINE Insert Mode: 369**12 Overwrite Mode: 369**12 Correcting a Calculation Example: To correct cos(60) so it becomes sin(60) LINE Insert Mode: Overwrite Mode: Inserting Input into a Calculation Always use the insert mode for this operation.
  • Page 16 k Displaying the Location of an Error If an error message (like “Math ERROR” or “Syntax ERROR”) appears when you press =, press d or e. This will display the part of the calculation where the error occurred, with the cursor positioned at the error location.
  • Page 17 Functions and Symbols Supported for Math Format Input • The “Bytes” column shows the number of bytes of memory that are used up by input. Function/Symbol Improper Fraction Mixed Fraction log(a,b) (Logarithm) (Power of 10) (Power of Square Root Cube Root Square, Cube Reciprocal Power...
  • Page 18 Example 3: To input (1 + MATH (1+'2c5e) • When you press = and obtain a calculation result using Math format, part of the expression you input can be cut off as shown in the Example 3 screen shot. If you need to view the entire input expression again, press A and then press e.
  • Page 19 Function Power Root You can also incorporate values into the following functions. 1l($), 1i(%), !, 6, 1!(#), D Displaying Calculation Results in a Form that Includes ' etc. (Irrational Number Form) When “MthIO” is selected for the input/output format, you can specify whether calculation results should be displayed in a form that includes expressions like ' 2 and •...
  • Page 20 –1 Example 3: sin (0.5) = MATH 1s(sin • The following are the calculations for which ' form (form that includes ' within irrational number display) results can be displayed. a. Arithmetic calculations of values with square root symbol ('), –1 b.
  • Page 21 Example: 2' 3 × 4 = 8' 3 35' 2 × 3 = 148.492424 (= 105' 2) 150' 2 = 8.485281374 2 × (3 – 2' 5 ) = 6 – 4' 5 23 × (5 – 2' 3 ) = 35.32566285 (= 115 –...

  • Page 22: Basic Calculations

    Use the +, -, *, and / keys to perform arithmetic calculations. Example: 7 × 8 – 4 × 5 = 36 LINE 7*8-4*5= • The calculator automatically judges the calculation priority sequence. For more information, see “Calculation Priority Sequence”. Number of Decimal Places and Number of...

  • Page 23: Fraction Calculations

    Omitting a Final Closed Parenthesis You can omit any closed parenthesis ( ) ) immediately preceding operation of the = key at the end of a calculation. This is true only in the case of Linear format. Example: (2 + 3) × (4 – 1) = 15 LINE (2+3)* k Fraction Calculations...

  • Page 24: Percent Calculations

    Switching between Fraction and Decimal Format • The format of the fraction depends on the currently selected fraction display format setting (improper fraction or mixed fraction). • You cannot switch from decimal format to mixed fraction format if the total number of digits used in the mixed fraction (including integer, numerator, denominator, and separator symbols) is greater than 10.

  • Page 25: Using Multi-Statements In Calculations

    Sexagesimal Calculations • Performing the following types of sexagesimal calculations produces a sexagesimal result. - Addition or subtraction of two sexagesimal values - Multiplication or division of a sexagesimal value and a decimal value Appendix <#012> 2°20´30˝ + 39´30˝ = 3°00´00˝ Converting Values between Sexagesimal and Decimal Pressing e while a calculation result is displayed toggles the value...

  • Page 26: Replay Function

    Example: LINE • Note that calculation history memory contents are cleared whenever you turn off the calculator, press the O key, change to the calculation mode or the input/output format, or perform any reset operation. • Calculation history memory is limited. When the calculation you...

  • Page 27: Using Calculator Memory

    • Answer Memory contents are not change if an error occurs during the current calculation. • Answer Memory contents are maintained even if you press the A key, change the calculation mode, or turn off the calculator. Using Answer Memory to Perform a Series of Calculations Example: To divide the result of 3 ×...

  • Page 28: Independent Memory (M)

    • Independent memory contents are maintained even if you press the A key, change the calculation mode, or turn off the calculator. 789 – 579 = 210 Perform this key operation: 1m(M–)

  • Page 29: Clearing The Contents Of All Memories

    B Sy(A)*Se(B)= • Variable contents are maintained even if you press the A key, change the calculation mode, or turn off the calculator. Appendix <#015> Clearing the Contents of a Specific Variable Press 01t(STO) and then press the key for the name of the variable whose contents you want to clear.

  • Page 30: Function Calculations

    Function Calculations This section explains how to use the calculator’s built-in functions. The functions available to you depends on the calculation mode you are in. The explanations in this section are mainly about the functions that are available in all calculation modes. All of the examples in this section show operation in the COMP Mode (N1).
  • Page 31 After inputting a value, press 1G(DRG') to display the angle unit specification menu shown below. Press the number key that corresponds to the angle unit of the input value. The calculator will automatically convert it to the calculator’s default angle unit.
  • Page 32 , X^, ' ' (, θ is displayed in the range of –180° < θ is displayed using the calculator’s default angle is assigned to variable X, while value of polar coordinate θ value of polar coordinate is assigned to variable X, while...

  • Page 33: Other Functions

    The random 3 digit decimal values are converted to 3-digit integer values by multiplying by 1000. Note that the values shown here are examples only. Values actually generated by your calculator will be different. Permutation ( These functions make it possible to perform permutation and combination calculations.
  • Page 34 Display Digits Setting: Fix or Sci The value is rounded to the specified number of digits. Example: 200 ÷ 7 × 14 = 400 LINE 200/7*14= (Specifies three decimal places.) 1N6(Fix)3 (Calculation is performed internally using 15 digits.) 200/7= The following performs the same calculation with rounding. 200/7= (Round the value to the specified number of digits.) (Check rounded result.)

  • Page 35: Using Engineering Notation

    S-D transformation again converts back to the original decimal value. Note • When you transform from decimal form to standard form, the calculator automatically decides the standard form to use. You cannot specify the standard form. Fraction: The current fraction display format setting determines whether the result is an improper fraction or mixed fraction.

  • Page 36: Statistical Calculation Types

    Examples of S-D Transformation Note that S-D transformation can take some time to perform. Example: Fraction MATH • Each press of the f key toggles between the two forms. Appendix π <#037> Fraction → <#038> ' Decimal Statistical Calculation All calculations in this section are performed in the STAT Mode (N2).
  • Page 37 • The first line of the STAT editor screen shows the value for the first sample or the values for their first pair of samples. FREQ (Frequency) Column If you turn on the Statistical Display item on the calculator’s setup screen, a column labeled “FREQ” will also be included on the STAT editor screen.
  • Page 38 STAT Editor Screen Input Precautions • The number of lines in STAT editor screen (the number of sample data values you can input) depends on the type of statistical data you selected, and on the Statistical Display setting of the calculator’s setup screen. Statistical...
  • Page 39 A key while the STAT editor screen is displayed switches to the STAT calculation screen. The STAT calculation screen also uses Linear format, regardless of the current input/output format setting on the calculator’s setup screen. k Using the STAT Menu While the STAT editor screen or STAT calculation screen is on the display, press 11(STAT) to display the STAT menu.
  • Page 40 STAT Menu Items Common Items Select this When you want to do this: menu item: Display the statistical calculation type selection 1Type screen 2Data Display the STAT editor screen Display the Edit sub-menu for editing STAT editor 3Edit screen contents Display the Sum sub-menu of commands for 4Sum calculating sums...
  • Page 41 Var Sub-menu (11(STAT)5(Var)) Select this When you want to obtain this: menu item: Number of samples Mean of the sample data xσ Population standard deviation xσ Sample standard deviation –1 MinMax Sub-menu (11(STAT)6(MinMax)) Select this When you want to obtain this: menu item: 1minX Minimum value...
  • Page 42 Sum Sub-menu (11(STAT)4(Sum)) Select this When you want to obtain this: menu item: Σx Sum of squares of the X-data Σx Sum of the X-data Σy Sum of squares of the Y-data Σy Sum of the Y-data Σxy Sum of products of the X-data and Y-data Σx Sum of cubes of the X-data Σx...
  • Page 43 Appendix Linear Regression Calculation: <#047> to <#050> • Examples <#048> through <#050> all use the data input in Example <#047>. *1 Estimated Value *2 Estimated Value Commands when Quadratic Regression Calculation (_+CX ) Is Selected With quadratic regression, regression is performed in accordance with the following model equation.

  • Page 44: Equation Calculations

    Statistical Calculation Type Exponential Regression (A•B^X) Power Regression (A•X^B) Inverse Regression (1/X) Appendix Comparison of Regression Curves • The following example uses the data input in Example <#047>. <#060> Compare the correlation coefficient for logarithmic, exponential, Appendix Other Types of Regression Calculation: <#061> to <#065>...
  • Page 45 Changing the Current Equation Type Setting Press N3(EQN) to re-enter the EQN Mode. This clears all current EQN Mode input and displays the equation type menu described above. k Inputting Coefficients Use the coefficient editor screen to input the coefficients of an equation.
  • Page 46 • The display format of solutions is in accordance with the input/ output format and complex number display format settings of the calculator’s setup screen. • Note that you cannot transform values to engineering notation while an equation solution is displayed.

  • Page 47: Supported Function Types

    (3) After making sure the function is the way you want, press =. • This displays the start value input screen. • If the initial value is not 1, press 1 to specify the initial start value for this example. (4) After specifying the start value, press =.

  • Page 48: Technical Information

    • Pressing the A key returns to the function editor screen. k TABLE Mode Precautions Note that changing the input/output format settings (Math format or Linear format) on the calculator’s setup screen while in the TABLE Mode clears the number table generation function. Technical Information k Calculation Priority Sequence The calculator performs calculations according to a calculation priority sequence.

  • Page 49: Stack Limitations

    1/(215( k Stack Limitations This calculator uses memory areas called stacks to temporarily store lower calculation priority sequence values, commands, and functions. The numeric stack has 10 levels and the command stack has 24 levels, as shown in the illustration below.
  • Page 50 k Calculation Ranges, Number of Digits, and Precision The calculation range, number of digits used for internal calculation, and calculation precision depends on the type of calculation you are performing. Calculation Range and Precision Calculation Range Number of Digits for Internal Calculation Precision Function Calculation Input Ranges and Precision...

  • Page 51: K Error Messages

    • Error is cumulative and tends to be large in the vicinity of a function’s singular point and inflection point. k Error Messages The calculator will display an error message when a result exceeds the calculation range, when you attempt an illegal input, or whenever any other similar problem occurs.

  • Page 52: Before Assuming Malfunction Of The Calculator

    (3) If the above steps do not correct your problem, press the O key. This will cause the calculator to perform a routine that checks whether calculation functions are operating correctly. If the calculator discovers any abnormality, it automatically initializes the calculation mode and clears memory contents.

  • Page 53: Replacing The Battery

    Replacing the Battery Dim figures on the display of the calculator indicate that battery power is low. Continued use of the calculator when the battery is low can result in improper operation. Replace the battery as soon as possible when display figures becomes dim.

  • Page 54: Specifications

    Specifications Power Requirements: AAA-size battery: R03 (UM-4) × 1 Battery Life: Approximately 17,000 hours (continuous display of flashing cursor) Power Consumption: 0.0002 W Operating Temperature: 0°C to 40°C Dimensions: 13.7 (H) × 80 (W) × 161 (D) mm Approximate Weight: 110 g (3.9 oz) including the battery Bundled Items: Hard Case E-52...
  • Page 55 CASIO COMPUTER CO., LTD. 6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan SA0411-A Printed in China...

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