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 sophariths on March 25th, 2014
Upside Down Digit In Fx-991 Es
Every digits and letters (in OCT mode) are shown in upside down view. I've reset many time but it doesn't work. It use 2 ways power but I use only solar way and there is no battery inside. how to fix this? Please help!
Current Answers
Related Casio FX-991ES Manual Pages
User Guide - Page 8
... this indicator will disappear when you press a key. The default angle unit is radians. Calculation history memory data is a value stored in the VECTOR Mode. A fixed number of significant digits is more data above/below the current screen. Example:
Input expression
{ Calculation result
k Display Indicators
Sample Display:
CMPLX
This indicator:
S
A
M
STO
RCL
STAT CMPLX
MAT...
User Guide - Page 10
...: The value you specify (from 1 to use "]CONT'". 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 the specified digit before being displayed. • See "Adjusting Display...
User Guide - Page 12
... 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 the closing parenthesis ()).
Inputting Expressions and Values
k Inputting a Calculation Expression Using Standard Format
Your calculator lets you input calculation expressions just as shown below...
User Guide - Page 22
... as a root (') form or a fraction, the calculation result is displayed in the COMP Mode (N1). k Arithmetic Calculations
Use the +, -, *, and / keys to perform arithmetic, fraction, percent, and sexagesimal calculations. Example: 1 ÷ 6 =
LINE
Initial default setting (Norm1)
FIX
3 decimal places (Fix3)
SCI
3 significant digits (Sci3) • For more information, see "Specifying...
User Guide - Page 23
... Format: ab/c) 22
• If the total number of digits used for a mixed fraction (including integer, numerator, denominator, and separator symbols) is greater than 10, the value is automatically displayed in decimal format.
• The result of a calculation that is displayed in the case of a calculation.
E-21 Example: (2 + 3) × (4 - 1) = 15
LINE
(2+3)* (4-1=
k Fraction...
User Guide - Page 24
...increased
from decimal format to mixed fraction format if the total number of digits used in weight?
(160%)
What is the percentage change when a value ...
• For details about to 48?
(15%, 20%)
k Degree, Minute, Second (Sexagesimal) Calculations
You can perform calculations using sexagesimal values, and convert values between Fraction and Decimal Format f
• The format of 168, ...
User Guide - Page 27
... to 15 digits.
• Answer Memory contents are maintained even if you execute a calculation using any one . Independent Memory
Calculation results can be added to demonstrate how you can use memory.
k Answer Memory (Ans)
Answer Memory Overview
• Answer Memory contents are updated whenever you press the A key, change the calculation mode, or turn off the calculator.
•...
User Guide - Page 39
...conversion can obtain the sum of an input f(x) expression for a specific range. Σ calculations are performed using the following formula.
Σ( f(x), a, b) = f(a) + f(a + 1) + ...• The calculation step is fixed at 1. • ∫(, d/dx(, Pol(, Rec(, and Σ( cannot be used within f(x), a, or b. • Pressing A will interrupt an ongoing Σ calculation. Converting to Polar...
User Guide - Page 40
...(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.
Appendix (5 + 3)! = 40320
Absolute Value Calculation (Abs) When you perform coordinate conversion inside of an expression instead of 0 < r < n < 1 × 1010. n and r must...
User Guide - Page 41
... the function's argument to the number of significant digits specified by the number of digits.)
FIX
10(Rnd)=
E-39 Example: 200 ÷ 7 × 14 = 400 LINE
200/7*14=
(Specifies three decimal places.) FIX 1N6(Fix)3
(Calculation is performed internally using 15 digits.)
FIX
200/7=
FIX
*14=
The following performs the same calculation with rounding. FIX
200/7=
(Round the value to the specified...
User Guide - Page 42
... e
∞
=
n = 0
1 n! Formats Supported for S-D Transformation S-D transformation can use S-D transformation to transform a value between standard form and decimal form.
E-40 Performing S-D transformation...its decimal (D) form and its standard (S) form (fraction, π). (Check rounded result.)
FIX
*14=
k Practical Examples
Appendix
∫0π(sinX + cosX )2dX = π
(...
User Guide - Page 45
... of the complex number 2 + 3i. • With Linear format, the real part and imaginary part are shown in
two different lines. Example 2: '2 ∠ 45 = 1 + i
(Angle Unit: Deg)
MATH
CMPLX
Math
!2e1y(∠)45=
Examples of Calculation Results Using Polar
Coordinate Format (r ∠ θ)
Example 1: 2 × ('3 + i) = 2'3 + 2i = 4 ∠ 30
(Angle Unit: Deg)
MATH
CMPLX...
User Guide - Page 47
... pair of statistical calculation you selected.
Use the cursor keys to move down one cell. E-45 You can use the FREQ column to six of its digits in the group of data) of times the same sample ...8226; The values and expressions you input appears in the COMP Mode with Linear format. • Pressing A while inputting data clears your current input. • After inputting a value...
User Guide - Page 58
...Initializing All Coefficients to Zero You can input in the COMP Mode with Linear format. • Pressing A while inputting data... press =.This registers the value and displays up to six of its digits in the case of = displays the next solution, if there is...as those for each of an equation. k Inputting Coefficients
Use the coefficient editor screen to input the coefficients of the ...
User Guide - Page 64
... number table screen shows x-values calculated using the
specified Start, End, and Step values, as well as the values obtained when each x-value is substituted in the VECTOR Mode (N8).
All calculations in this section are stored in the TABLE Mode clears the number table generation function. VCT
"A" stands for viewing values
only.
k Creating and Managing...
User Guide - Page 66
... you want to VctB =
(3, 4). • The following are commonly used in any calculation mode except for BASE-N. • To recall a scientific constant, press 17(CONST... using VctAns) VctA • VctB (Vector Dot Product) VctA × VctB (Vector Cross Product) Obtain the absolute values of gravitation; 40: standard atmosphere
E-64 Input the two-digit number that are all of the built-in...
User Guide - Page 67
...(, tanh(, sinh-1(, cosh-1(, tanh-1( log(, ln(, e^(, 10^(, '(, 3'( arg(, Abs(, Conjg( Not(, Neg( det(, Trn( Rnd( 2. You can use the metric conversion commands in the COMP Mode (N1).
Metric Conversion
The calculator's built-in the COMP Mode (N1). See Appendix for a list of all of these examples in metric conversion commands make it simple to...
User Guide - Page 69
... above.
Squaring, cubing, or inverting a matrix also uses one level of the matrix stack. • The VECTOR Mode uses its own matrix stack, which is used for Internal
Calculation
15 digits
Precision
In general, ±1 at the least significant digit.
The vector stack has five levels. Calculation Range and Precision
Calculation Range
±1 × 10-99 to Keep in...
User Guide - Page 73
... is present.
Note that combines a solar cell with a solar cell alone can operate only when relatively bright light is enough light to read the display. Reference
k Power Requirements and Battery Replacement
Your calculator uses a TWO WAY POWER system that you will
cause the calculator to perform a routine that it automatically initializes the calculation mode and clears memory contents...
User Guide - Page 74
... (W) × 161 (D) mm 1/2Љ (H) ҂ 31/8Љ (W) ҂ 65/16Љ (D)
Approximate Weight: 105g (3.7 oz) including the battery
Bundled Items: Hard Case
E-72 Do not skip it into the front of the calculator. Specifications
Power Requirements:
Solar Cell:
Built into the calculator with
its positive k side facing upwards
(so you can see it).
5 Replace the...
Similar Questions
Fx 991 Es Plus
my fx 991 ES plus calculator does not show result and becomes off for few seconds what can I do??
my fx 991 ES plus calculator does not show result and becomes off for few seconds what can I do??
(Posted by Anonymous-127060 10 years ago)
The Fx 991 Es While Calculating Tries To Be Off What Can I Do
My calculator does not shows the result and tries to go off.so what can be done ??
My calculator does not shows the result and tries to go off.so what can be done ??
(Posted by Anonymous-127060 10 years ago)
About Fx 991 Es Calculator
can casio fx 991 es calculator calculate indefrinite integratin and derrivative
can casio fx 991 es calculator calculate indefrinite integratin and derrivative
(Posted by engrqasimsarfaraz 11 years ago)