Casio FX-991ES Support Question
Casio FX-991ES Support Question
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Question posted by Rnlotlmcna on August 2nd, 2014
How To Type Absolute Value Function On Fx-991es
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Related Casio FX-991ES Manual Pages
User Guide - Page 5
... children.
E-3 Caution
This symbol is used to become shorted. Battery
• After removing the battery from the calculator, put it in a safe place where it will not get into the
calculator. • Use only the type of battery specified for later reference.
Never expose the battery to direct heat or dispose of it...
User Guide - Page 9
...type of operation: General calculations Complex number calculations Statistical and regression calculations Calculations involving specific number systems (binary, octal, decimal, hexadecimal) Equation solution Matrix calculations Generation of calculation... above indicators (without any value) while it performs the calculation internally. k Configuring the Calculator Setup
Pressing 1N(SETUP) ...
User Guide - Page 12
... the closing parenthesis ()).
Next, you input any of =.
Inputting Expressions and Values
k Inputting a Calculation Expression Using Standard Format
Your calculator lets you input calculation expressions just as shown below , it .The calculator automatically judges the calculation priority sequence for addition, subtraction, multiplication, and division, functions, and parentheses.
User Guide - Page 14
...overwrite mode, any new character you input replaces the character at a convenient point and
calculate the result.
When there are inputting it. You can switch to the overwrite mode ... input mode. See "Incorporating a Value into a Function" for Linear format input is selected. • The initial default for more information. • The calculator automatically changes to the insert mode...
User Guide - Page 17
... Functions and Symbols Supported for Math Format Input
• The "Bytes" column shows the number of bytes of memory that are all performed while Math format is
selected. • Pay close attention to the location and size of e) Square Root Cube Root Square, Cube Reciprocal Power Power Root Integral Derivative Σ Calculation Absolute Value...
User Guide - Page 20
...; )
The following conditions apply respectively to two terms
(an integer term is always used for display of trigonometric calculation results. k ' Form Calculation Range
Note
When performing complex number calculations in decimal form for input values outside of values with square root symbol ('), x2, x3, x-1 b. Example 2: sin (60) = '3 2
MATH s60=
(Angle Unit: Deg)
Math
Example 3: sin...
User Guide - Page 26
... history memory contents are cleared whenever you used for the new calculation.
If you are performing causes calculation history memory to become full, the oldest calculation is deleted automatically to make room for the previous calculation. Replay Function While a calculation result is on the display, you can display the expression by pressing d or e, without pressing A first...
User Guide - Page 31
...'s Method of syntax for Y.); E-29 Appendix
Calculate an +1 = an + 2n (a1 = 1) as XY + C = 0.)
• SOLVE cannot be used to solve an equation. k Rules Governing Equations when Using SOLVE
• You can use the following shows the syntax for the log function. XB = C + D, B (Solves for B.) The following types of approximation to solve an equation...
User Guide - Page 36
... provides better precision, but it also causes the calculation to the type of function being fulfilled. • When performing an integration calculation involving trigonometric functions, specify Rad as the calculator's default angle unit. • Integration calculations can omit specification of positive and negative values in the CMPLX Mode, as long as complex numbers are treated as...
User Guide - Page 40
... range of 0 < r < n < 1 × 1010. n and r must be used in complex number calculations in the CMPLX Mode. Appendix How many four-person permutations and combinations are performing a real number calculation, this function simply obtains the absolute value. Factorial (!) This function obtains the factorials of a value that is less than 1. Appendix Abs (2 - 7) = 5
Random Number (Ran#) This...
User Guide - Page 44
...and absolute value calculations • Reciprocal, square and cube calculations • Conjugate complex number calculations
All calculations in this section, the W key is the
calculator's ...complex number calculation results in the CMPLX Mode (N2). Appendix (1 + 3i) ÷ (2i) = -3 - -1 i 22
k Inputting Complex Numbers
• In the CMPLX Mode, the W key changes function to input...
User Guide - Page 45
... Format (r ∠ θ)
Example 1: 2 × ('3 + i) = 2'3 + 2i = 4 ∠ 30
(Angle Unit: Deg)
MATH
CMPLX
Math
2*(!3e+i)=
• With Linear format, the absolute value and argument are shown in
two different lines. Specifying the Calculation Result Display Format
You can override complex number display settings and specify the format that should be used to display...
User Guide - Page 46
k Absolute Value and Argument (Abs, arg)
You can use the following procedure to select a statistical calculation type. Selecting a Statistical Calculation Type In the STAT Mode, display the statistical calculation type selection screen. To display the STAT editor screen from another STAT Mode screen, press 11(STAT)2(Data). k Statistical Calculation Types
Key Menu Item 1 1-VAR 2 A+BX 3 _+CX2...
User Guide - Page 57
... the result of a bitwise complement
6(Neg)
"Neg(" function, which returns the result of logical operations.
This clears all current EQN Mode input and displays the equation type menu described above.
E-55 Before starting each calculation, be sure to the original number base. k Equation Types
An equation type menu appears when you want to re-enter...
User Guide - Page 62
...)
All calculations in the TABLE Mode (N7). Indicates the initial default start value of 1.
• If the initial value is the way you cannot use 6 for this example.
Function: f(x) = x2 + 1 2
Start Value: 1, End Value: 5, Step Value: 1
LINE (1) Press N7(TABLE).
(2) Input the function.
(3) After making sure the function is not 1, press 1 to specify cubing. E-60 Obtain the absolute value...
User Guide - Page 63
....
• You can specify either values or calculation expressions (which
must produce a numeric result) for Start, End, and Step.
• Specifying an End value that is not generated.
• The specified Start, End, and Step values should produce a
maximum of 30 x-values for the number table being generated. k Supported Function Types
• Except for a number table generation...
User Guide - Page 66
... - 3 × VctA (Calculation example using VctAns) VctA • VctB (Vector Dot Product) VctA × VctB (Vector Cross Product) Obtain the absolute values of gravitation; 40: standard atmosphere...both A and B = (A × B) A × B
Scientific Constants
Your calculator comes with 40 built-in constants that corresponds to the constant you recall a constant, its unique ...
User Guide - Page 68
... called stacks to right when both types are mixed in the same calculation. Example: y2w= (y2)w=
-22 = -4 (-2)2 = 4
Multiplication and division, and multiplication where the sign is omitted are the same priority (Priority 8), so these operations are performed from left to temporarily store lower calculation priority sequence values, commands, and functions.The numeric stack has 10...
User Guide - Page 69
...type of calculation you are performing causes the capacity of either stack to Keep in Mind for Each Mode • In the CMPLX Mode, each input value uses two levels of the numeric stack,
regardless of whether the input value is ±1 at the 10th digit for a single calculation...number or a complex number. Function Calculation Input Ranges and Precision
Functions
Input Range
sinx
DEG 0Ϲ...
User Guide - Page 73
... correct the problem, move on the calculator indicates that you are using the correct mode for the type of important data before performing these symptoms occur, replace the button battery. Reference
k Power Requirements and Battery Replacement
Your calculator uses a TWO WAY POWER system that checks whether calculation functions are trying to read the display.
This...
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