Casio fx-350EX, User Manual

Page 1: ...EN fx 350EX fx 85EX fx 82EX http edu casio com User s Guide RJA532417 001V01 CASIO Worldwide Education Website Be sure to keep all user documentation handy for future reference ...

Page 2: ... 14 Creating a Number Table 17 Errors 18 Before Assuming Malfunction of the Calculator 19 Replacing the Battery 19 Technical Information 19 Frequently Asked Questions 22 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 Moreover C...

Page 3: ...tions Safety Precautions Battery Keep batteries out of the reach of small children Use only the type of battery specified for this calculator in this manual Handling Precautions Even if the calculator is operating normally replace the battery at least once every three years LR44 two years R03 UM 4 or one year LR03 AM4 A dead battery can leak causing damage to and malfunction of the calculator Never...

Page 4: ...hat battery power is low Replace the battery Key Markings Pressing the or key followed by a second key performs the alternate function of the second key The alternate function is indicated by the text printed above the key 1 Keycap function 2 Alternate function This color Means this Yellow Press and then the key to access the applicable function Red Press and then the key to input the applicable v...

Page 5: ...lculation This indicator is displayed while the calculator is being powered directly by its solar cells either entirely or in some combination with the battery fx 85EX only Using Menus Some of the operations of this calculator are performed using menus Menus are displayed by pressing or and then SETUP General menu operation operations are described below You can select a menu item by pressing the ...

Page 6: ...t output To specify this type of input and output Press SETUP Input Output and then press Input Natural Textbook Output Format that includes a fraction or π 1 MathI MathO Input Natural Textbook Output Converted to decimal value MathI DecimalO Input Linear 2 Output Decimal or fraction LineI LineO Input Linear 2 Output Converted to decimal value LineI DecimalO 1 Decimal output is applied when these ...

Page 7: ...s Calculation results are rounded off to the specified digit before being displayed Example 1 7 1 4286 10 1 Sci 5 Norm Displays calculation results in exponential format when they fall within the ranges below Norm 1 10 2 x x 1010 Norm 2 10 9 x x 1010 Example 1 200 5 10 3 Norm 1 0 005 Norm 2 Pressing instead of after inputting a calculation will display the calculation result in decimal form Fractio...

Page 8: ...cludes both division and multiplication operations in which a multiplication sign has been omitted parentheses will be inserted automatically as shown in the examples below When a multiplication sign is omitted immediately before an open parenthesis or after a closed parenthesis Example 6 2 1 2 6 2 1 2 When a multiplication sign is omitted immediately before a variable a constant etc Example 2 2 2...

Page 9: ... integer numerator and denominator areas of the template 3 1 2 3 Do the same to input the remainder of the expression 5 3 2 Tip While the input cursor is located within the input area of a template mixed fractions pressing jumps to the position immediately following to the right of the template while pressing jumps to the position immediate before to the left of it Note When you press and obtain a...

Page 10: ...56 MathI MathO π 6 1 6 π 0 5235987756 2 2 3 5 913591358 6 2 3 MathI DecimalO 2 2 3 5 913591358 6 2 3 Regardless of what is selected for Input Output on the setup menu each press of will toggle the currently displayed calculation result between its decimal form and fraction form Important With certain calculation results pressing the key will not convert the displayed value You cannot switch from d...

Page 11: ...20 30 9 30 2 30 00 2 20 30 0 9 30 2 30 0 Convert 2 30 0 to its decimal equivalent 2 5 Converts decimal to sexagesimal 2 30 0 Multi Statements You can use the colon character to connect two or more expressions and execute them in sequence from left to right when you press 3 3 3 3 3 3 3 3 6 9 Note Inputting a colon while LineI LineO or LineI DecimalO is selected for the Input Output setting on the s...

Page 12: ...ge the Input Output setting or whenever you perform a RESET operation Initialize All or Setup Data Replay While a calculation result is on the display you can press or to edit the expression you used for the previous calculation 4 3 2 14 4 3 2 14 4 3 7 5 Continuing 7 5 Using Memory Functions Answer Memory Ans The last calculation result obtained is stored in Ans answer memory To divide the result ...

Page 13: ...mories Ans memory independent memory and variable contents are retained even if you press change the calculation mode or turn off the calculator Perform the procedure below when you want to clear the contents of all memories RESET Memory Yes Function Calculations Note To interrupt an ongoing calculation before its result appears press Pi π π is displayed as 3 141592654 but π 3 14159265358980 is us...

Page 14: ... 1 1 2 2 16 1 1 2 2 16 52 3 15625 5 15625 32 5 2 MathI MathO 5 32 2 LineI LineO 5 32 2 2 3 3 2 4 242640687 MathI MathO 2 3 3 2 LineI LineO 2 3 4 242640687 Pol Rec Pol converts rectangular coordinates to polar coordinates while Rec converts polar coordinates to rectangular coordinates Specify the angle unit before performing calculations The calculation result for r and θ and for x and y are each a...

Page 15: ...d 10 3 is 3 333 when the Number Format setting is Fix 3 Using the Norm 1 or Norm 2 setting cause the argument to be rounded off at the 11th digit of the mantissa part To perform the following calculations when Fix 3 is selected for the number of display digits 10 3 3 and Rnd 10 3 3 MathI DecimalO SETUP Number Format Fix 10 3 3 Rnd 10 3 3 10 000 9 999 Statistical Calculations Perform the steps belo...

Page 16: ... Press Data if you selected single variable or Data if you selected paired variable Ex 1 To select logarithmic regression and input the following data 170 66 173 68 179 75 Select Type y a b ln x 170 173 179 66 68 75 Important All data currently input in the Statistics Editor is deleted whenever you exit the Statistics Mode switch between the single variable and a paired variable statistical calcul...

Page 17: ...iable statistical calculation is selected Min Max When a paired variable statistical calculation is selected Min Max to First Quartile Q1 Median Med Third Quartile Q3 For single variable statistical calculations only Min Max to Regression Coefficients a b Correlation Coefficient r Estimated Values 𝑥 𝑦 Regression to Regression Coefficients for Quadratic Regression a b c Estimated Values 𝑥1 𝑥2 𝑦 Reg...

Page 18: ...nt and estimated value calculations can take considerable time when there are a large number of data items Creating a Number Table The Table Mode generates a number table based on one or two functions Example To generate a number table for the functions 𝑓 𝑥 𝑥2 1 2 and g 𝑥 𝑥2 1 2 for the range 1 𝑥 1 incremented in steps of 0 5 1 Press select the Table Mode icon and then press 2 Configure settings to...

Page 19: ...cation where the error occurred ready for input To clear the error message While an error message is displayed press to return to the calculation screen Note that this also clears the calculation that contained the error Error Messages Math ERROR The intermediate or final result of the calculation you are performing exceeds the allowable calculation range Your input exceeds the allowable input rang...

Page 20: ...ir initial default settings by performing the following operation RESET Setup Data Yes Replacing the Battery A low battery is indicated by a dim display even if contrast is adjusted or by failure of figures to appear on the display immediately after you turn on the calculator If this happens replace the battery with a new one Important Removing the battery will cause all of the calculator s memory ...

Page 21: ...n x 2n 1 π 2 Gradian Same as sinx except when x 2n 1 100 sin 1 x cos 1 x 0 x 1 tan 1 x 0 x 9 999999999 1099 sinhx coshx 0 x 230 2585092 sinh 1 x 0 x 4 999999999 1099 cosh 1 x 1 x 4 999999999 1099 tanhx 0 x 9 999999999 1099 tanh 1 x 0 x 9 999999999 10 1 logx lnx 0 x 9 999999999 1099 10x 9 999999999 1099 x 99 99999999 ex 9 999999999 1099 x 230 2585092 𝑥 0 x 1 10100 x2 x 1 1050 x 1 x 1 10100 x 0 𝑥 3 ...

Page 22: ...of errors that occur with each calculation Error is cumulative and tends to be large in the vicinity of a function s singular point and inflection point The range for calculation results that can be displayed in π form when MathI MathO is selected for Input Output on the setup menu is x 106 Note however that internal calculation error can make it impossible to display some calculation results in π ...

Page 23: ...hen you need to uses the same value multiple times in one or more calculations What is the key operation to take me from the Statistics Mode or Table Mode to a mode where I can perform arithmetic calculations Press Calculate How can I return the calculator to its initial default settings Perform the following operation to initialize calculator settings except the Contrast setting RESET Setup Data ...

Page 24: ...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 2015 CASIO COMPUTER CO LTD Printed in China SA1412 A ...