Casio FX-350ES PLUS User Manual

Casio FX-350ES PLUS User Manual

Casio calculator user manual
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fx-82ES PLUS
fx-85ES PLUS
fx-95ES PLUS
fx-350ES PLUS
User's Guide
CASIO Worldwide Education Website



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  Summary of Contents for Casio FX-350ES PLUS

  • Page 1 PLUS fx-85ES PLUS fx-95ES PLUS fx-350ES PLUS User’s Guide CASIO Worldwide Education Website CASIO EDUCATIONAL FORUM
  • Page 2: Table Of Contents

    Ratio Calculations (RATIO) ... 24 (fx-95ES PLUS only) Calculation Ranges, Number of Digits, and Precision ... 25 Errors ... 27 Before Assuming Malfunction of the Calculator..28 Replacing the Battery... 29 Specifications ... 29 Frequently Asked Questions ... 30...
  • Page 3: Important Information

    • 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 4: Removing The Hard Case

    • Never try to take the calculator apart. • Use a soft, dry cloth to clean the exterior of the calculator. • Whenever discarding the calculator or batteries, be sure to do so in accordance with the laws and regulations in your particular area.
  • Page 5: Reading 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 The calculator is standing by for input of a variable name to recall the variable’s value.
  • Page 6: Using Menus

    Using Menus Some of the calculator’s operations are performed using menus. Pressing , for example, will display a menu of applicable functions. The following are the operations you should use to navigate between menus. • You can select a menu item by pressing the number key that corresponds to the number to its left on the menu screen.
  • Page 7: Initializing Calculator Settings

    Adjusts display contrast. See “Adjusting Display Contrast” for details. Initializing Calculator Settings Perform the following procedure to initialize the calculator, which returns the calculation mode to COMP and returns all other settings, including setup menu settings, to their initial defaults.
  • Page 8: Inputting Expressions And Values

    Inputting Expressions and Values Basic Input Rules Calculations can be input in the same form as they are written. When you press the priority sequence of the input calculation will be evaluated automatically and the result will appear on the display. sin30 (30 + 10 Input of the closing parenthesis is required for sin, sinh, and other functions...
  • Page 9 Negative sign (–) Note: When squaring a negative value (such as –2), the value being squared must be enclosed in parentheses ( ). Since inputting appending a negative sign to the result. Always keep the priority sequence in mind, and enclose negative values in parentheses when required.
  • Page 10: Toggling Calculation Results

    As shown above, the value or expression to the right of the cursor after (INS) are pressed becomes the argument of the function that is specified next. The range encompassed as the argument is everything up to the first open parenthesis to the right, if there is one, or everything up to the first function to the right (sin(30), log2(4), etc.) This capability can be used with the following functions: Overwrite Input Mode...
  • Page 11: Fraction/Percent Calculations

    Important: • Depending on the type of calculation result that is on the display when you press the perform. • With certain calculation results, pressing the the displayed value. • You cannot switch from decimal form to mixed fraction form if the total number of digits used in the mixed fraction (including integer, numerator, denominator, and separator symbols) is greater than 10.
  • Page 12: Using Engineering Notation

    Transform the value 123 to engineering notation, shifting the decimal point to the left. Calculation History In the COMP Mode, the calculator remembers up to approximately 200 bytes of data for the newest calculation. You can scroll through calculation history contents using...
  • Page 13 (Continuing) Variables (A, B, C, D, E, F, X, Y) Your calculator has eight preset variables named A, B, C, D, E, F, X, and Y. You can assign values to variables and also use the variables in calculations. To assign the result of 3 + 5 to variable A...
  • Page 14: Prime Factorization

    Clearing the Contents of All Memories Ans memory, independent memory, and variable contents are retained even if you press , change the calculation mode, or turn off the calculator. Perform the following procedure when you want to clear the contents of all memories.
  • Page 15: Function Calculations

    Function Calculations For actual operations using each function, see the “Examples” section following the list below. is displayed as 3.141592654, but internal calculations. is displayed as 2.718281828, but internal calculations. −1 sin, cos, tan, sin , cos unit before performing calculations. See sinh, cosh, tanh, sinh function from the menu that appears when you press setting does not affect calculations.
  • Page 16 Fix and Sci, the argument is rounded off to the specified digit. When Fix 3 is the display digits setting, for example, the result of 10 ÷ 3 is displayed as 3.333, while the calculator maintains a value of 3.33333333333333 (15 digits) internally for calculation. In the case of Rnd(10÷3) = 3.333 (with Fix 3), both the displayed value and the calculator’s internal value become...
  • Page 17 To calculate ' 2 × 3 (= 3 ' 2 = 4.242640687...) to three decimal places (Fix 3) (SETUP) (Fix) To convert rectangular coordinates ( ' 2 , ' 2 ) to polar coordinates To convert polar coordinates ( ' 2 , 45°) to rectangular coordinates (5 + 3) ! = 40320 |2 –...
  • Page 18: Statistical Calculations (Stat)

    Statistical Calculations (STAT) To start a statistical calculation, perform the key operation to enter the STAT Mode and then use the screen that appears to select the type of calculation you want to perform. To select this type of statistical calculation: (Regression formula shown in parentheses) Press this key: Single-variable (X) Paired-variable (X, Y), linear regression (...
  • Page 19 Important: • All data currently input in the Stat Editor is deleted whenever you exit the STAT Mode, switch between the single-variable and a paired- variable statistical calculation type, or change the Stat Format setting on the setup menu. • The following operations are not supported by the Stat Editor: (M–), be input with the Stat Editor.
  • Page 20 Results: Mean: 3 To calculate the linear regression and logarithmic regression correlation coefficients for the following paired-variable data and determine the regression formula for the strongest correlation: ( ) = (20, 3150), (110, 7310), (200, 8800), (290, 9310). Specify Fix 3 (three decimal places) for results.
  • Page 21: Equation Calculations (Eqn)

    Equation Calculations (EQN) You can use the following procedure in the EQN Mode to solve simultaneous linear equations with two or three unknowns, quadratic equations, and cubic equations. 1. Press (EQN) to enter the EQN Mode. 2. On the menu that appears, select an equation type. To select this calculation type: Simultaneous linear equations with two unknowns...
  • Page 22: Creating A Number Table From A Function (Table)

    – = 2, (EQN) 3 = 0 (EQN) – 2 ' 2 + 2 = 0 (EQN) – 2 – + 2 = 0 (EQN) Creating a Number Table from a Function (TABLE) TABLE generates a number table for function. Perform the following steps to generate a number table.
  • Page 23: Inequality Calculations (Ineq)

    Step? • Inputting the Step value and pressing number table in accordance with the parameters you specified. • Pressing while the number table screen is displayed will return to the function input screen in step 2. To generate a number table for the function range –1 fx-82/85/350ES PLUS: fx-95ES PLUS:...
  • Page 24 Note: The following operations are not supported by the Coefficient Editor: also cannot be input with the Coefficient Editor. 5. After all the values are the way you want, press • This will display the solutions. • To return to the Coefficient Editor while the solutions are displayed, press Note: Values cannot be converted to engineering notation on the solution screen.
  • Page 25: Ratio Calculations (Ratio)

    – (INEQ) Note: Solutions are displayed as shown here when Linear Display is selected. Special Solution Display • “All ” appears on the solution screen when the solution of an inequality is all numbers. • “NOT FOUND” appears on the solution screen when no solution exists for an inequality (such as X Ratio Calculations (RATIO) The RATIO Mode lets you determine the value of X in the ratio expression...
  • Page 26: Calculation Ranges, Number Of Digits, And Precision

    Note: The following operations are not supported by the Coefficient Editor: also cannot be input with the Coefficient Editor. 4. After all the values are the way you want, press • This displays the solution (value of X). Pressing the Coefficient Editor. Important: A Math ERROR will occur if you perform a calculation while 0 is input for a coefficient.
  • Page 27 Precision Function Calculation Input Ranges and Precision Functions –1 –1 –1 sinh cosh –1 sinh –1 cosh tanh –1 tanh –9.999999999 –9.999999999 –1 Pol( Rec( , θ) θ: Same as sin In general, 1 at the 10th digit for a single calculation.
  • Page 28: Errors

    Errors The calculator will display an error message whenever an error occurs for any reason during a calculation. There are two ways to exit an error message display: Pressing to clear the message and calculation.
  • Page 29: Before Assuming Malfunction Of The Calculator

    (RanInt#). Action: Input only integers for the argument. Before Assuming Malfunction of the Calculator... Perform the following steps whenever an error occurs during a calculation or when calculation results are not what you expected. If one step does not correct the problem, move on to the next step.
  • Page 30: Replacing The Battery

    (OFF) to turn off the calculator. • To ensure that you do not accidentally turn on power while replacing the battery, slide the hard case onto the front of the calculator (fx-85ES PLUS). 2. Remove the cover as shown in the illustration and replace the battery, taking care that its plus (+) and minus (–) ends are facing correctly.
  • Page 31: Frequently Asked Questions

    Perform the following operation: When I execute a function calculation, why do I get a calculation result that is completely different from older CASIO calculator models? With a Natural Textbook Display model, the argument of a function that uses parentheses must be followed by a closing parenthesis. Failing to...
  • Page 32 Manufacturer: CASIO COMPUTER CO., LTD. 6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan Responsible within the European Union: CASIO EUROPE GmbH Casio-Platz 1 22848 Norderstedt, Germany This mark applies in EU countries only. SA0904-C...

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