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Question posted by atudom on February 20th, 2014

How To Downloads Software Casio Fx-991es Plus

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Answer #1: Posted by TommyKervz on February 20th, 2014 4:55 AM

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TommyKervz

Member since:
January 10th, 2013

Points: 17,776,803

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Hi. Do so from here - start off by selecting your Operating System under you device type.

Hope that is helpful.
Kervz at www.satechhelp.co.za

Related Casio FX-991ES Manual Pages

User Guide - Page 4

...angle unit in accordance with it means you want to initialize the calculator and return the calculation mode and setup to their initial default settings. Note that this ...angle unit. Moreover, CASIO Computer Co., Ltd. Example numbers (like "") in this User's Guide refer to the corresponding example number in this User's Guide. Initializing the Calculator Perform the following ...

User Guide - Page 5

...battery's positive k and negative l ends are facing correctly when you load it in this calculator. Doing so can result in personal injury or material damage if ignored. Never expose the battery... a battery can cause it . Battery • After removing the battery from the calculator, put it into the hands of small children and accidentally swallowed. • Keep batteries out of...

User Guide - Page 6

... direct sunlight, near a window, near a heater or anywhere else it might be splashed by water or exposed to and malfunction of the calculator. Also avoid leaving the calculator in the calculator. • The battery that comes with a ballpoint pen or other volatile agents to very high temperatures. Heat can cause memory contents to...

User Guide - Page 7

... its hard case downwards to remove it probably means that battery power is the way you press N) is on the calculator. • Press 1A(OFF) to turn off the calculator. After the setting is low. k Adjusting Display Contrast 1N(SETUP)c6(]CONT') This displays the contrast adjustment screen. k Turning Power On and...

User Guide - Page 8

...data above/below the current screen. The default angle unit is degrees. The calculator is standing by for input of a variable name to the variable. E-6 The alpha input ...disappear when you press a key. The default angle unit is grads. A fixed number of a multi-statement calculation. There is in the CMPLX Mode. This indicator appears after you press 1t(STO). A fixed number of...

User Guide - Page 9

..., which you can jump between using c and f. 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 select. • To select the...

User Guide - Page 10

...to be displayed in a single line. • See "Adjusting Display Contrast" for displayed calculation results. Specifying the Input/Output Format For this input/output format: Math Linear Perform this key... 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 to 9) controls the...

User Guide - Page 12

... Norm1 d/c a+bi OFF Dot • To cancel initialization without doing anything, press A(Cancel) instead of the functions 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 Decimal Point Is initialized to input the argument and...

User Guide - Page 13

... expression: 1111 + 2222 + 3333 + 444 Math Displayed portion: Cursor • When the ] indicator is displayed, you want to use the e key to the left of a calculation, immediately before the = key is pressed. For more information, see "Inputting with Math Format". At this time, you input uses up to 14 characters at...

User Guide - Page 14

...the overwrite mode is selected. • The initial default for more information. • The calculator automatically changes to Math. You can switch to the overwrite mode by pressing 1Y(INS). ... change to the overwrite mode when you input replaces the character at a convenient point and calculate the result. • Normally the input cursor appears as the input mode. If the ...

User Guide - Page 16

... of an Error If an error message (like "Math ERROR" or "Syntax ERROR") appears when you input 14 ÷ 0 × 2 = by pressing A, which clears the calculation. You can also exit the error screen by mistake instead of functions and parentheses is causing the error. Important! • Certain types of expressions can...

User Guide - Page 17

...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 Parentheses Key Operation ' 1'(() & 1l($) 1i(%) ! 1!(#) w, 1w(x3) E 6 16(") 7 17(F) 1&(8) 1w(Abs) ( or ) Bytes 9 13 6 4 4 4 9 4 5 4 9 8 6 8 4 1 Math Format Input Examples • The following operations are...

User Guide - Page 18

... that value or fraction will be used in the Example 3 screen shot. Example 3: To input (1 + 2 )2 × 2 = 5 MATH Math (1+'2c5e) w*2= • When you press = and obtain a calculation result using Math format, you need to view the entire input expression again, press A and then press e. This incorporates the expression in the parentheses into...

User Guide - Page 19

... results should be displayed in a form that includes expressions like '2 and π (irrational number form). • Pressing = after inputting a calculation displays the result using irrational number form. • Pressing 1= after inputting a calculation displays the result using decimal values (no irrational number form) regardless of whether you can also incorporate values into the...

User Guide - Page 20

...formats like those shown below. ± a'b , ± d ± a'b , ± a'b ± d'e cf E-18 Trigonometric function calculations c. k ' Form Calculation Range Note When performing complex number calculations in decimal form for display of the above ranges. Complex number Abs calculations d. Results that includes ' within irrational number display) results can have up to both the...

User Guide - Page 21

... 110 • The result is the least common multiple of c and f. • Since calculation results are reduced to a common denominator, they are displayed in ' form even if coefficients (a′,... c′, and d′) are reduced to be used. More than two terms in the calculation result • Calculation results displayed in ' form are outside of the allowable range - a'b + c d'e f...

User Guide - Page 22

... SCI 3 significant digits (Sci3) • For more information, see "Specifying the Number of decimal places and significant digits for the calculation result. Example: log3 + '2 = 1.891334817 Basic Calculations (COMP) This section explains how to perform arithmetic calculations. Number of Decimal Places and Number of Significant Digits You can specify a fixed number of Display Digits".

User Guide - Page 23

... fraction format. Omitting a Final Closed Parenthesis You can omit any closed parenthesis ( ) ) immediately preceding operation of the = key at the end of a calculation. Example: (2 + 3) × (4 - 1) = 15 LINE (2+3)* (4-1= k Fraction Calculations How you should input fractions depends on the input/output format that involves both fraction and decimal values is displayed in the case...

User Guide - Page 75