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fx-991AR X

fx-570AR X

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Страница 1: ...io com User s Guide CASIO Worldwide Education Website http world casio com manual calc Manuals are available in multi languages at Be sure to keep all user documentation handy for future reference fx 991ARX fx 570ARX ...

Страница 2: ...6 Creating a Number Table 27 Vector Calculations 28 Inequality Calculations 30 Ratio Calculations 30 Using Spreadsheet 31 Scientiﬁc Constants 35 Metric Conversion 35 Errors 36 Before Assuming Malfunction of the Calculator 37 Replacing the Battery 37 Technical Information 38 Frequently Asked Questions 40 Reference Sheet 42 In no event shall CASIO Computer Co Ltd be liable to anyone for special coll...

Страница 3: ... Yes Precautions 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 or two years R03 UM 4 A dead battery can leak causing damage to and malfunction of the calculator Never leave ...

Страница 4: ...he 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 variable constant function or symbo...

Страница 5: ...display currently shows an intermediate result of a multi statement calculation 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 991AR X 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 o...

Страница 6: ...ction calculations Equation Func Inequality calculations Inequality Ratio calculations Ratio 3 Press to display the initial screen of the mode whose icon you selected Note The initial default calculation mode is the Calculate Mode Input and Output Formats Before starting a calculation on the calculator you should ﬁrst use the operations in the table below to specify the formats that should be appl...

Страница 7: ...p menu 2 Use and to scroll the setup menu and then input the number displayed to the right 1 or left 2 of the item whose setting you want to change 1 Language Arabic 2 Language English Items and Available Setting Options indicates the initial default setting Input Output MathI MathO MathI DecimalO LineI LineO LineI DecimalO Speciﬁes the format to be used by the calculator for formula input and cal...

Страница 8: ...ncy column in the Statistics Mode Statistics Editor Spreadsheet For conﬁguring Spreadsheet Mode settings Auto Calc Speciﬁes whether or not formulas should be re calculated automatically On Off Enables or disables auto re calculation Show Cell Speciﬁes whether a formula in the edit box should be displayed as it is or as its calculation result value Formula Displays the formula as it is Value Displa...

Страница 9: ...f you execute a calculation that includes 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 va...

Страница 10: ...al Textbook Format MathI MathO or MathI DecimalO Only Formulas and expressions that include fractions and or special functions such as can be input in natural textbook format by using templates that appear when certain keys are pressed Example 3 1 2 5 3 2 1 Press This inputs a mixed fraction template 2 Input values into the integer numerator and denominator areas of the template 3 1 2 3 Do the sam...

Страница 11: ... overwrite mode Toggling Calculation Results While MathI MathO or MathI DecimalO is selected for Input Output on the setup menu each press of will toggle the currently displayed calculation result between its fraction form and decimal form its form and decimal form or its π form and decimal form 𝜋 6 1 6 𝜋 0 5235987756 MathI MathO π 6 1 6 π 0 5235987756 2 2 3 5 913591358 6 2 3 MathI DecimalO 2 2 3 ...

Страница 12: ...660 880 75 Discount 3500 by 25 2625 3500 3500 25 2625 Degree Minute Second Sexagesimal Calculations The syntax below is for inputting a sexagesimal value degrees minutes seconds Note that you must always input something for the degrees and minutes even if they are zero 2 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 Mul...

Страница 13: ...n be factored to prime factors To perform prime factorization on 1014 1014 1014 FACT 2 3 132 To re display the unfactored value press FACT or Note The types of values described below cannot be factored even if they have 10 or fewer digits One of the prime factors of the value is 1018081 or greater Two or more of the prime factors of the value have more than three digits The part that cannot be fac...

Страница 14: ...A 10 1 80 To recall the contents of variable A Continuing RECALL 2 A 8 To clear the contents of variable A 0 A 0 1 Input a variable as shown here press and then press the key that corresponds to the desired variable name To input x as the variable name you can press x or 2 Pressing RECALL displays a screen that shows the values currently assigned to variables A B C D E F M x and y On this screen v...

Страница 15: ...orming calculations sin 30 1 2 Angle Unit Degree 30 1 2 sinh cosh tanh sinh 1 cosh 1 tanh 1 Input a function from the menu that appears when you press Hyperbolic Func 1 The angle unit setting does not affect calculations 1 Depending on the calculation mode you should press r g These functions specify the angle unit speciﬁes degree r radian and g gradian Input a function from the menu that appears ...

Страница 16: ...the range of 1 1010 a b 1 1010 Integration and Differential Calculation Precautions When using a trigonometric function in f x specify Radian as the angle unit A smaller tol value increases precision but it also increases calculation time When specifying tol use value that is 1 10 14 or greater Integration normally requires considerable time to perform Depending on the content of f x positive and ...

Страница 17: ...0 5 3 x 40320 Abs Absolute value function 2 7 2 10 MathI MathO Abs 2 7 2 10 LineI LineO Abs 2 7 2 10 Ran Function that generates a pseudo random number in the range of 0 000 to 0 999 The result is displayed as a fraction when MathI MathO is selected for Input Output on the setup menu To obtain random three digit integers 1000 Ran 459 The result differs with each execution RanInt Function that gene...

Страница 18: ...screen in any calculation mode or a table screen is displayed For details visit the CASIO website wes casio com Displaying a QR Code Example To display the QR Code for a calculation result in the calculator s Calculate Mode and read it with a smart device 1 In the Calculate Mode execute some calculation 2 Press QR to display the QR Code The numbers in the lower right corner of the display shows th...

Страница 19: ...2𝒊 2 2𝒊 2 45 Angle Unit Degree Complex r θ 2 2 i 2 45 When raising a complex number to an integer power using the syntax a bi n the power value can be within the following range 1 1010 n 1 1010 Note If you are planning to perform input and display of the calculation result in polar coordinate format specify the angle unit before starting the calculation The θ value of the calculation result is dis...

Страница 20: ...mate the solution of equations Note that SOLVE can be used in the Calculate Mode only SOLVE supports input of equations of the following formats Examples y x 5 x sin M xy C Treated as xy C 0 Note If an equation contains input functions that include an open parenthesis such as sin and log do not omit the closing parenthesis During the time from when you press SOLVE until you exit SOLVE by pressing ...

Страница 21: ... icon and then press 2 On the Select Type screen that appears select a statistical calculation type To select this type of statistical calculation Press this key Single variable x 1 Variable Paired variable x y linear regression y a bx Paired variable x y quadratic regression y a bx cx2 Paired variable x y logarithmic regression y a b ln x Paired variable x y e exponential regression y a e bx Pair...

Страница 22: ... then press To insert a line In the Statistics Editor move the cursor to the location where you want to insert the line and then perform the following key operation Editor Insert Row To delete all Statistics Editor contents In the Statistics Editor perform the following key operation Editor Delete All Displaying Statistical Values Based On Input Data From the Statistics Editor 1 Variable Calc or 2...

Страница 23: ...them Ex 2 To input the single variable data x 1 2 2 3 3 3 4 4 5 using the Freq column to specify the number of repeats for each items xn freqn 1 1 2 2 3 3 4 2 5 1 and calculate the mean SETUP Statistics On Select Type 1 Variable 1 2 3 4 5 1 2 3 2 Variable 𝑥 3 Ex 3 To calculate the logarithmic regression correlation coefﬁcients for the following paired variable data and determine the regression for...

Страница 24: ...tes the standard variate for data value x using the mean value 𝑥 and population standard deviation σx of data input with Statistics Editor x t 𝑥 𝑥 𝜎𝑥 Ex 5 For the single variable data in Ex 2 to determine the normalized variate when x 2 and P t at that point 2 Norm Dist t Norm Dist P Base n Calculations When you want to perform calculations using decimal hexadecimal binary and or octal values ente...

Страница 25: ...ecimal DEC 15 37 HEX 555 0000022B Logical and Negation Operations Logical and negation operations are performed by pressing and then selecting the desired command and or xor xnor Not Neg from the menu that appears All of the examples below are performed in the binary mode BIN To determine the logical AND of 10102 and 11002 10102 and 11002 1010 and 1100 0000 0000 0000 0000 0000 0000 0000 1000 To de...

Страница 26: ... or will return to the Coefﬁcient Editor You can assign the currently displayed solution to a variable While the solution is displayed press and then the key that corresponds to the name of the variable to which you want to assign it To return to the Coefﬁcient Editor while any solution is displayed press Note Solutions that include are displayed only when the selected calculation type is Polynomi...

Страница 27: ...s variable can be used in calculations as described below To insert the MatAns variable into a calculation perform the following key operation MatAns Pressing any one of the following keys while the MatAns screen is displayed will switch automatically to the calculation screen x3 Assigning and Editing Matrix Variable Data To assign new data to a matrix variable 1 Press Deﬁne Matrix and then on the...

Страница 28: ...2 MatA3 Note You cannot use for this input Use to input 1 to specify squaring and x3 to specify cubing MatA MatA MatA x3 To obtain the absolute value of each element of MatB Abs MatB Abs MatB 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 ...

Страница 29: ...le depends on the setup menu table setting Up to 45 rows are supported for the f x setting while 30 rows are supported for the f x g x setting The number table generation operation causes the contents of variable x to be changed Important Functions input in this mode are deleted whenever the Input Output settings are changed in the Table Mode Vector Calculations Use the Vector Mode to perform 2 di...

Страница 30: ...o input the elements of the vector To edit the elements of a vector variable Press Edit Vector and then on the menu that appears select the vector variable you want to edit To copy vector variable or VctAns contents 1 Use the Vector Editor to display the vector you want to copy If you want to copy VctAns contents perform the following to display the VctAns screen VctAns 2 Press and then perform on...

Страница 31: ...uality degree Changing the degree of an inequality causes the values of all Coefﬁcient Editor coefﬁcients to become zero Inequality Mode Calculation Examples 3x3 3x2 x 0 Polynomial 3rd degree inequality ax3 bx2 cx d 0 3 3 1 Note Solutions are displayed as shown in the screen shot nearby when something other than MathI MathO is selected for the Input Output setting on the setup menu All Real Number...

Страница 32: ...s currently located Important Any time you exit the Spreadsheet Mode turn off the calculator or press the key every input into the spreadsheet is cleared Inputting and Editing Cell Contents You can input a constant or a formula into each cell Constants A constant is something whose value is ﬁxed as soon as you ﬁnalize its input A constant can be either a numeric value or a calculation formula such...

Страница 33: ...formula like A1 7 is a relative reference which means that it changes depending on the cell where the formula is located If the formula A1 7 is originally located in cell B1 for example copying and then pasting to cell C3 will result in B3 7 being input into cell C3 Since the copy and paste operation moves the formula one column B to C and two rows 1 to 3 causes the A1 relative cell reference in t...

Страница 34: ...ce the relative reference will change in accordance with the location of the cell where the contents are pasted To delete input data from a specific cell Move the cell cursor to the cell whose contents you want to delete and then press To delete the contents of all the cells in a spreadsheet Press Delete All Using Variables A B C D E F M x y You can use to assign the value of a cell to a variable ...

Страница 35: ... value of the cell to the left and then subtracts 3 1 Move the cell cursor to cell B1 2 Press Fill Formula This displays a Fill Formula dialog box 3 In the Form row input the formula 2A1 3 2 A 3 Input of the equals symbol at the beginning is not required 4 Move the highlighting to the Range line and specify B1 B3 as the range of the batch input 1 or 2 1 Language Arabic 2 Language English 5 To appl...

Страница 36: ...display a menu of scientiﬁc constant categories 2 Press Universal to display a menu of scientiﬁc constants in the Universal category 3 Press c0 299792458 The values are based on CODATA 2010 recommended values Metric Conversion You can use the metric conversion commands to convert from one unit of measurement to another Example To convert 5 cm into inches LineI LineO 1 Input the value to be convert...

Страница 37: ...e command stack to be exceeded The calculation you are performing has caused the capacity of the matrix or vector stack to be exceeded Simplify the calculation expression so it does not exceed the capacity of the stack Try splitting the calculation into two or more parts Syntax ERROR There is a problem with the format of the calculation you are performing Argument ERROR There is a problem with the...

Страница 38: ...emory capacity was exceeded because a formula that includes a relative cell reference was copied or because of batch input of formulas that use relative cell references Delete unneeded data and input data again Minimize input that results in a chain of consecutive cell references Shorten the formula being copied or the formulas being batch input Before Assuming Malfunction of the Calculator Note t...

Страница 39: ...t skip the above step Technical Information Calculation Range and Precision Calculation Range 1 10 99 to 9 999999999 1099 or 0 Number of Digits for Internal Calculation 15 digits Precision In general 1 at the 10th digit for a single calculation Precision for exponential display is 1 at the least signiﬁcant digit Errors are cumulative in the case of consecutive calculations Function Calculation Inp...

Страница 40: ...r 1 10100 or 1 n n r 1 10100 Pol x y x y 9 999999999 1099 𝑥2 𝑦2 9 999999999 1099 Rec r θ 0 r 9 999999999 1099 θ Same as sinx a b c 1 10100 0 b c The display seconds value is subject to an error of 1 at the second decimal place x 1 10100 Decimal Sexagesimal Conversions 0 0 0 x 9999999 59 59 xy x 0 1 10100 ylogx 100 x 0 y 0 x 0 y n 𝑚 2𝑛 1 m n are integers However 1 10100 ylog x 100 𝑦 𝑥 y 0 x 0 1 101...

Страница 41: ...91AR X 11 1 H 77 W 165 5 D mm Approximate Weight fx 570AR X 100 g including the battery fx 991AR X 90 g including the battery Frequently Asked Questions How can I change a fraction form result produced by a division operation to decimal form While a fraction calculation result is displayed press To have calculation results initially appear as decimal values change the setup menu Input Output setti...

Страница 42: ...parentheses must be followed by a closing parenthesis Failing to press after the argument to close the parentheses may cause unwanted values or expressions to be included as part of the argument Example sin 30 15 Angle Unit Degree Older S V P A M Model 30 15 15 5 Natural Textbook Display Model LineI LineO 30 15 15 5 Failure to press here as shown below will result in calculation of sin 45 30 15 0 ...

Страница 43: ... Values g atm RK 90 KJ 90 Other t Metric Conversion CONV Length in cm cm in ft m m ft yd m m yd mile km km mile n mile m m n mile pc km km pc Area acre m2 m2 acre Volume gal US L L gal US gal UK L L gal UK Mass oz g g oz lb kg kg lb Velocity km h m s m s km h Pressure atm Pa Pa atm mmHg Pa Pa mmHg kgf cm2 Pa Pa kgf cm2 lbf in2 kPa kPa lbf in2 Energy kgf m J J kgf m J cal cal J Power hp kW kW hp Te...

Страница 44: ...O COMPUTER CO LTD Printed in China SA1502 A 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 www casio europe com ...

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