Getting Started with CASIO FX-991EX FX-570EX CLASSSWIZ Full Manual learn all features
Equaser・2 minutes read
The text provides a detailed tutorial on using Casio fx991ex or fx570ex scientific calculators, covering various functions like scientific notation, trigonometry, matrices, equations, and spreadsheet mode, along with tips on resetting, changing settings, and handling errors. It also includes information on technical specifications, power sources, and additional features like metric conversions and scientific constants, offering a comprehensive guide for efficient and accurate calculations.
Insights
- The Casio fx991ex or fx570ex scientific calculator offers various features such as scientific notation, trigonometric functions, matrix calculations, and complex numbers, making it versatile for a wide range of mathematical operations.
- The calculator provides a spreadsheet mode with functions like sum, mean, and batch operations, allowing efficient data manipulation and analysis, making it a valuable tool for both mathematical and statistical tasks.
- Detailed technical specifications of the calculator, including its working capacity, calculation range, and precision levels, highlight its robust design and accuracy, ensuring reliable performance for complex calculations across different fields of study.
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Recent questions
How do I turn off Casio scientific calculator?
To turn off the Casio scientific calculator, press the shift key followed by the off button. This combination will power down the calculator, ensuring it is not active when not in use.
What is the purpose of the shift key on Casio calculator?
The shift key on the Casio calculator serves to change the functionality of the calculator, activating the yellow keys for additional options and features. By pressing the shift key, users can access different modes and settings on the calculator, enhancing its capabilities.
How can I reset Casio calculator settings?
To reset the settings on the Casio calculator, press the shift key followed by the number nine. Then, select the initialize option to restore the calculator to its default settings. This process allows users to clear any customized settings and start fresh with the calculator's standard configurations.
What is the automatic shutdown feature on Casio calculator?
The Casio calculator is equipped with an automatic shutdown feature that activates after 10 minutes of inactivity. This function helps conserve battery power by turning off the calculator when not in use for an extended period. Users can rely on this feature to prevent unnecessary battery drain and ensure efficient operation of the calculator.
How can I access scientific notation on Casio calculator?
To access scientific notation on the Casio calculator, press the shift key followed by setup and then three. This combination allows users to set the significant digits for scientific notation calculations, ranging from 0 to 9. By adjusting these settings, users can perform accurate scientific notation calculations on the calculator with ease.
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Summary
00:00
Casio Scientific Calculator Tutorial and Tips
- Tutorial on using Casio fx991ex or fx570ex scientific calculator
- Access chapters by clicking on the larger screen area or menu on mobile
- Calculator has a sleek design with a solar panel for power
- Protective case recommended for carrying to prevent damage
- Shift key changes calculator functionality, activating yellow keys
- Turn off calculator by pressing shift and off
- Automatic shutdown after 10 minutes of inactivity
- Mode list includes options for normal, complex, matrix, vector calculations
- Settings for decimal point format can be adjusted in setup
- Reset calculator settings by pressing shift and nine, then selecting initialize
17:48
Mastering Calculator Functions for Efficient Calculations
- To change the number format, go to shift setup and select fixed, then return to normal.
- Scientific notation can be accessed by pressing shift setup 3 and setting significant digits from 0 to 9.
- For scientific notation calculations, like 1 divided by 7, ensure to set the required significant digits.
- To switch between scientific notation and decimal, press S and D to toggle the display mode.
- Engineering symbols can be activated by setting up four and choosing on or off.
- Fraction results can be displayed by setting up down and selecting fraction result 1 or 2.
- Multi-statement calculations can be done by inputting multiple operations separated by a colon.
- Prime factorization of numbers, like 1014, can be found by pressing shift and the factorial button.
- Percentage calculations, such as finding percentages or values, can be done using the percent sign and appropriate calculations.
- Degree, minute, second values can be entered and converted to decimal using the designated buttons.
35:21
Calculator Functions and Conversions
- To clear memory, set the memory to zero by storing "m 0."
- Use sine, cosine, and tangent functions by entering the angle in degrees.
- To switch to radians, press shift, setup, angle unit, and select radians.
- For inverse trigonometric functions, use the shift key followed by the trigonometric function.
- To convert angle units, set the calculator to the desired unit before entering the angle.
- Summation involves evaluating a function from a starting number to an end number.
- Integral calculations provide the area under a curve, with options for tolerance.
- Derivative calculations evaluate the derivative of a function at a specific point.
- Convert polar to rectangular coordinates by entering the magnitude and angle.
- Generate random numbers using the random function, with options for decimals and integers.
52:57
"Calculator's Complex Mode: Rectangular to Polar"
- Complex notation can be represented in rectangular or polar form.
- In the calculator, the complex mode is accessed by pressing mode and selecting complex.
- Calculations in complex mode involve using "i" for the imaginary unit.
- To perform a calculation like 2 + 6i divided by 2i, enter the values and use the appropriate buttons for "i" and division.
- The result of the calculation is displayed in polar form with the angle.
- The calculator allows conversion between polar and rectangular formats.
- Conjugate, argument, real part, and imaginary part calculations can be done easily in complex mode.
- The calculator can convert values between polar and rectangular formats.
- The calculator's calc feature allows for the evaluation of formulas with variables.
- The solve feature enables solving equations with multiple variables, providing accurate results.
01:11:11
Data Conversion and Polynomial Calculations on Calculator
- Changing the type of data involves pressing "change," then selecting option one and four to avoid data loss.
- Transitioning from single variable to quadratic data may result in data loss.
- Entering data involves pressing option four and inputting values like 20, 110, 220, 90, etc.
- Additional options like editor and delete are accessible by pressing option on the screen.
- Calculating correlation coefficient (r) and regression coefficient (a and b) involves navigating through options.
- Determining y when x is 160 requires inputting 160 and selecting the corresponding y value.
- The calculator can perform binary, decimal, hexadecimal conversions, and digital calculations.
- Binary calculations are limited to 32 bits, with specific rules for values exceeding or falling below this range.
- Converting binary to decimal involves selecting the base mode, entering the binary value, and converting it to decimal.
- Polynomial calculations up to the fourth degree can be solved using the calculator, with real or complex solutions available.
01:30:02
Solving Equations and Matrices with Calculators
- The text discusses solving equations, starting with two equations: 2x + 4y = 10 and x - 6y = 3.
- It explains the process of solving for x and y by entering values and pressing equal.
- The text demonstrates solving for x and y in a system of three equations with three unknowns.
- An example equation x + 5y + z = 15 is used to illustrate the process of entering values and solving.
- The text shows how to work with matrices on the calculator, saving matrices in memory and performing calculations.
- It explains how to define matrices, edit them, perform calculations like addition, and store results in memory.
- The process of finding the inverse of a matrix, transposing a matrix, and generating an identity matrix is detailed.
- The text explains how to calculate determinants of matrices and perform operations like squaring a matrix.
- It demonstrates solving inequalities, including quadratic inequalities, by entering coefficients and pressing equal.
- The text also covers distribution calculations, including normal probability distribution and binomial probability distribution.
01:47:34
Calculator Functions and Features Explained
- To find x when the width is 3200, given a 16:9 ratio, x must be smaller as the width increases.
- The calculated value for x, when the width is 3200, is 1800 pixels for the height to fit perfectly on the screen.
- To access the spreadsheet mode on the calculator, press manual and 8, allowing up to 45 rows and 5 columns labeled from 1 to 45 and A to E.
- The red keys on the calculator are activated by pressing alpha, including A, B, C, D, E, F, X, Y, M, and others.
- In spreadsheet mode, values can be constant, like 7+3, or include formulas, such as sine of 30 or more complex calculations.
- To edit a cell, press option and then the corresponding number, like 4 to check the remaining space on the calculator.
- Functions like sum, minimum, maximum, mean, and batch operations can be performed in the spreadsheet mode, allowing for efficient data manipulation.
- The calculator has 47 built-in scientific constants for calculations, including universal, electromagnetic, atomic, nuclear, physical, and chemistry constants.
- Metric conversions can be easily done on the calculator, like converting centimeters to inches, with a simple input and conversion process.
- The calculator can handle various errors like math error for exceeding limits, stack error for capacity issues, syntax error for incorrect formatting, argument error for missing arguments, dimension error for matrix/vector issues, and variable error for problem-solving errors.
02:05:39
Calculator Specifications and Common Calculation Errors
- Errors in calculations can be categorized based on their source, such as range errors in tables or spreadsheets, timeout errors in differential or integral calculations, and circular errors within spreadsheets due to self-referencing cells like equal a1 in cell a1 leading to circular errors.
- Technical specifications for the calculator include a 15-digit working capacity, a calculation range of plus/minus 1 x 10^-99 to plus/minus 9.999 x 10^99, a precision of plus/minus 1 at 10 digits for single calculations, and precision for exponential display at plus/minus 1 at the least significant digit. The FX991EX model uses LR441 batteries and requires a flaps screwdriver to replace the battery, ensuring correct orientation and initialization after replacement.
