Casio FX-991ES Support Question
Casio FX-991ES Support Question
Find answers below for this question about Casio FX-991ES.Need a Casio FX-991ES manual? We have 2 online manuals for this item!
Question posted by tamSl on November 27th, 2013
How To Reset A Casio Calculator Fx 991es
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Related Casio FX-991ES Manual Pages
User Guide - Page 4
...example number in this manual, it .
Note that come with it means you see "Using Calculator Memory".
Moreover, CASIO Computer Co., Ltd.
REPLAY
• The displays and illustrations (such as key markings) shown...purchase or use of the actual key operation you want to initialize the calculator and return the calculation mode and setup to anyone for the angle unit. E-2 Note that this...
User Guide - Page 5
... components to suddenly burst, creating the risk of small children.
Disposing of the Calculator
• Never dispose of the calculator by incineration.
• Improperly using this manual handy for this manual. E-3 ... the reach of fire and personal injury.
Doing so can result in
this calculator in personal injury or material damage if ignored.
Caution
This symbol is used to...
User Guide - Page 6
... battery life. Never use and storage of humidity or dust. E-4 Also avoid leaving the calculator in the calculator.
• The battery that comes with this , it off with a ballpoint pen or... and can cause slow display response, total failure of the display, and shortening of the calculator.
Wring out all important data.
• Avoid use thinner, benzene or other tight-fitting...
User Guide - Page 7
...contrast does not improve display readability, it , and then affix the hard case to the back of the calculator as shown in the illustration below. k Adjusting Display Contrast
1N(SETUP)c6(]CONT') This displays the contrast adjustment... want, press A.
• You can also adjust contrast using the calculator, slide its hard case downwards to remove it probably means that battery power is on the...
User Guide - Page 8
... and this :
The keypad has been shifted by pressing the S key. The calculator is selected as the input/output format. Math style is in the MATRIX Mode....A fixed number of a variable name to the variable. A fixed number of a multi-statement calculation. Example:
Input expression
{ Calculation result
k Display Indicators
Sample Display:
CMPLX
This indicator:
S
A
M
STO
RCL
STAT CMPLX
MAT...
User Guide - Page 9
...
When you want to display the mode
menu. 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 this mode:
COMP CMPLX
STAT
BASE...
User Guide - Page 10
... are written on paper.
• Linear format causes fractions and other expressions to use "]CONT'". Example: 1 ÷ 7 = 1.4286 × 10-1 (Sci5) 1.429 × 10-1 (Sci4) E-8
Calculation results are rounded off to 10) controls the number of Significant Digits
Exponential Display Range
Perform this key operation: 1N1(MthIO) 1N2(LineIO)
• Math...
User Guide - Page 11
... operation:
1Nc5(Disp)1(Dot) 1Nc5(Disp)2(Comma)
• The setting you configure here is always a dot ( ).
The decimal point for input values is applied for calculation results
.
E-9 Outside the specified range, results are displayed using exponential format.
User Guide - Page 12
...-1(, tanh-1(, log(, ln(, e^(, 10^(, '(, 3'(, Abs(, Pol(, Rec(, ∫(, d/dx(, Σ(, P(, Q(, R(, arg(, Conjg(, Not(, Neg(, det(, Trn(, Rnd(
E-10 k Initializing the Calculation Mode and Other Settings
Performing the following procedure initializes the calculation mode and other setup settings as they are written.Then simply press the = key to input the argument and the...
User Guide - Page 13
...: 1111 + 2222 + 3333 + 444
Math
Displayed portion:
Cursor
• When the ] indicator is different if you want to use the e key to 99 bytes of a calculation, immediately before the = key is pressed. For more information, see "Inputting with Math Format". Basically, each item you input uses up to 14 characters at...
User Guide - Page 14
... changes to the insert mode whenever you change to the overwrite mode when you input replaces the character at a convenient point and
calculate the result.
With the overwrite mode, any new character you need it.
• The cursor is a vertical flashing line (I) when the insert mode is insert....
User Guide - Page 15
... correct the expression 369 × × 12 so it becomes
369 × 12 LINE Insert Mode:
369**12
dd
Y Overwrite Mode:
369**12
ddd
Y
Correcting a Calculation Example: To correct cos(60) so it becomes sin(60) LINE Insert Mode:
c60)
dddY
s Overwrite Mode:
c60)
dddd
s Inserting Input into...
User Guide - Page 16
... d.
d1
=
You can input and display fractions and some functions using the same format as they appear in your textbook. If this happens, divide the calculation into multiple parts and calculate each part separately. Further input will become impossible if you input 14 ÷ 0 × 2 = by pressing A, which clears the...
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
... function '.
• If the cursor is incorporated into the function specified here. 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 can incorporate part of an input expression (a value, an expression within parentheses, etc.) into a function. If you need to view...
User Guide - Page 19
... = or 1=.
• π form (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. Example 1: '2 +'8 = 3'2
MATH
Math
1
!2e+!8=
Math
2
!2e+!81=
E-17
Note
• When "LineIO...
User Guide - Page 20
... a'b , ± d ± a'b , ± a'b ± d'e cf
E-18
Complex number Abs calculations
d. Arithmetic calculations of trigonometric calculation results. Example 2: sin (60) = '3 2
MATH s60=
(Angle Unit: Deg)
Math
Example 3: sin-1... results can be displayed in the CMPLX Mode, the following are the calculations for input values outside of the above ranges. Angle Unit Setting Deg ...
User Guide - Page 21
... result has three or more terms.
Example: (1 + '2 + '3 )(1 - '2 - '3 )(= -4 - 2'6 ) = -8.898979486
E-19 Value outside the corresponding ranges of coefficients (a, c, and d).
More than two terms in the calculation result
• Calculation results displayed in ' form are displayed in decimal form - Reasons why the results of the examples are reduced to a common denominator.
Example...
User Guide - Page 22
... result is displayed in the COMP Mode (N1). Example: 7 × 8 - 4 × 5 = 36
LINE
7*8-4*5=
• The calculator automatically judges the calculation priority sequence. For more information, see "Calculation Priority Sequence".
E-20 All calculations in this section are performed in decimal form.
Example: 1 ÷ 6 =
LINE
Initial default setting (Norm1)
FIX
3 decimal...
User Guide - Page 26
... expression by pressing d or e, without pressing A first.
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 any reset operation.
• Calculation history memory is limited.
Replay Function While...
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