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Casio FX-991ES Support Question

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Question posted by kyarrivere on March 20th, 2014

Casio Fx-991es Plus Complex How To Use

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Related Casio FX-991ES Manual Pages

User Guide - Page 4

...marked with it . Moreover, CASIO Computer Co., Ltd. Example numbers (like "") in this manual, it . Initializing the Calculator Perform the following shows an ...use of this product and items that this User's Guide. Example: 1(Setup) Indicates the menu item that is not part of any kind whatsoever by the number key operation (1) before it means you see "Using Calculator Memory". k Using...
User Guide - Page 5

...Calculator • Never dispose of the calculator by incineration. • Improperly using this manual handy for this calculator in this manual. Keep this calculator. E-3 Battery • After removing the battery from the calculator..., creating the risk of fire and personal injury. Caution This symbol is used to indicate information that the battery's positive k and negative l ends are...
User Guide - Page 6

... to very high temperatures. Such conditions can cause discoloration or deformation of the calculator's case, and damage to internal circuitry. • Avoid use and storage of all excess liquid before using the calculator for the first time. • Even if the calculator is operating normally, replace the battery at least once every three years. Avoid...
User Guide - Page 7

... improve display readability, it , and then affix the hard case to the back of the calculator as shown in the illustration below. Replace the battery. E-5 Use d and e to adjust display contrast. Before Using the Calculator k Removing the Hard Case Before using d and e while the mode menu (which appears when you want, press A. • You can...
User Guide - Page 9

... menu has two screens, which you can jump between using c and f. c f E-7 Select this 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 that corresponds to the mode you want to perform...
User Guide - Page 10

...use "]CONT'". Example: 100 ÷ 7 = 14.286 (Fix3) 14.29 (Fix2) • Sci: The value you specify (from 1 to 10) controls the number of significant digits for information about how to the specified digit before being displayed. Calculation... operation: 1N6(Fix)0-9 1N7(Sci)0-9 1N8(Norm)1(Norm1) or 2(Norm2) Calculation Result Display Examples • Fix: The value you specify (from 0 ...
User Guide - Page 11

...range in which results will be displayed in nonexponential format. The decimal point for calculation results . Outside the specified range, results are displayed using exponential format. Norm1: 10-2 > x, x > ...key operation: 1Nc1(ab/c) 1Nc2(d/c) Specifying the Complex Number Display Format To specify this complex Perform this key operation: 1Nc5(Disp)1(Dot) 1Nc5...
User Guide - Page 12

Inputting Expressions and Values k Inputting a Calculation Expression Using Standard Format Your calculator lets you need to input the argument and the closing ... Next, you input calculation expressions just as shown below. 19(CLR)1(Setup)=(Yes) This setting: Calculation Mode Input/Output Format Angle Unit Display Digits Fraction Display Format Complex Number Format Statistical Display...
User Guide - Page 20

...conditions apply respectively to two terms (an integer term is always used for display of values with square root symbol ('), x2, x3, x-1 b. k ' Form Calculation Range Note When performing complex number calculations in decimal form for which ' form is also counted as a term). ' form calculation results use display formats like those shown below. ± a'b , ± d ± a'b , ±...
User Guide - Page 26

... and execute, and its result. When the calculation you can press A and then d or e to edit the expression you used for the new calculation. Using Calculation History Memory and Replay Calculation history memory maintains a record of each calculation expression you turn off the calculator, press the O key, change to the calculation mode or the input/output format, or perform...
User Guide - Page 27

This section uses the COMP Mode (N1) to demonstrate how you can hold up to another calculation mode. In this case, however, the imaginary part will be added to or subtracted from Answer Memory if you change the calculation mode, or turn off the calculator. • If a CMPLX Mode calculation produces a complex number result, both the real...
User Guide - Page 34

...;)) e = 2.71828182845904 (S5(e)) • You can also be used in the CMPLX Mode, as long as complex numbers are mainly about the functions that corresponds to the function you want to use π and e in all calculation modes. The functions available to display calculation results. All of functions. Function Calculations This section explains how to input. Press...
User Guide - Page 36

... functions and power root functions can be used in the COMP, STAT, EQN, MATRIX, TABLE, and VECTOR calculation modes. • The X2, X3, X-1 functions can be used in complex number calculations in the CMPLX Mode, and complex number arguments are not used as the calculator's default angle unit. • Integration calculations can be used in the COMP Mode only. •...
User Guide - Page 40

... addition, the Abs( and Rnd( functions can be used in the range of 0 < r < n < 1 × 1010. Permutation (nPr) and Combination (nCr) These functions make it possible to use the functions shown below. !, Abs(, Ran#, nPr, nCr, Rnd( • These functions can be used in complex number calculations in the CMPLX Mode. Note that is zero or...
User Guide - Page 44

... • The angle unit for example. 2+3i CMPLX Math • You can select the coordinate format by configuring the calculator's setup. You can also input complex numbers using polar coordinate format (r ∠ θ ). Appendix (1 + 3i) ÷ (2i) = -3 - -1 i 22 k Inputting Complex Numbers • In the CMPLX Mode, the W key changes function to as the i key.
User Guide - Page 45

...bi ) • To specify polar coordinate format for the calculation result, perform the following key operation at the end of the calculation. 12(CMPLX)3('r∠ θ ) Appendix 1 + i (= '2 ∠ 45) = 1.414213562 ∠ 45 k Conjugate Complex Number (Conjg) You can use the following operation to obtain a conjugate complex number. 12(CMPLX)2(Conjg) Appendix Determine the conjugate of...
User Guide - Page 46

... Mode from another mode. Use the STAT menu to obtain the absolute value (|Z|) and argument (arg) on the Gaussian plane for a complex number of the format Z = a + bi. 1w(Abs); 12(CMPLX)1(arg) Appendix Obtain the absolute value and argument of 2 + 2i. *1 Absolute Value *2 Argument Statistical Calculation (STAT) All calculations in this section are performed...
User Guide - Page 59

...equation solution is in accordance with the input/ output format and complex number display format settings of the calculator's setup screen. • Note that the matrix selection screen... case of simultaneous linear equations, you can use the f and c keys to scroll the display between the solutions for configuring dimension settings. All calculations in the MATRIX Mode (N6). k Creating...
User Guide - Page 68

... command stack has 24 levels, as shown in the same calculation. Permutations, combinations: nPr, nCr Complex polar form symbol: ∠ 7. This is because x2...1 i 2 1 ÷ (2i) = - 1 i 2 k Stack Limitations This calculator uses memory areas called stacks to be performed first, so the use of parentheses can result in , etc. Multiplication and division: ×, ÷ Multiplication where ...
User Guide - Page 69

... stack. This means that involves a matrix causes one level of calculation you are performing causes the capacity of whether the input value is a real number or a complex number. Calculation Range and Precision Calculation Range ±1 × 10-99 to be used for internal calculation, and calculation precision depends on the type of the matrix stack. • The...

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