Getting Started with CASIO FX-991EX FX-570EX CLASSSWIZ Full Manual learn all features

Introduction

This tutorial provides a comprehensive guide to using the CASIO FX-991EX and FX-570EX calculators, covering a wide range of features and functionalities. Whether you're preparing for exams or simply want to master your calculator, this guide will help you navigate through its capabilities effectively.

Step 1: Understanding the Basics

• Familiarize yourself with the calculator layout and keys.
• Explore the display and key functions:
  • On/Off: Power the calculator.
  • Mode: Switch between different modes (e.g., Comp, Stat, etc.).

Step 2: Setting Decimal and Fraction Results

• Access the settings by pressing the SHIFT key followed by the MODE key.
• Choose the decimal or fraction mode according to your preference:
  • Decimal mode displays results in decimal form.
  • Fraction mode presents results as fractions.

Step 3: Performing Percentage Calculations

• To calculate percentage:
  • Enter the value and press the × key, followed by the percentage value and the = key.
• For discounts, input the original price, subtract the discount, and calculate the final price.

Step 4: Working with Degrees, Minutes, and Seconds

• Switch to the appropriate angle mode by pressing the MODE key.
• Use the calculator to convert between degrees, minutes, and seconds as needed.

Step 5: Engineering Calculations

• Input engineering values such as milli (m), micro (μ), and kilo (k) directly into your calculations using the respective prefixes.

Step 6: Utilizing Memory Functions

• Save values in memory:
  • Press SHIFT then STO followed by a number key (1-9).
• Retrieve saved values using the RCL key.

Step 7: Trigonometric Calculations

• Perform sine, cosine, and tangent calculations using their respective keys.
• For inverse functions, use SHIFT followed by the trigonometric key.

Step 8: Angle Conversion

• Convert between degrees, radians, and gradians by accessing the angle conversion function via the MODE key.

Step 9: Summation and Integral Calculations

• Use the summation function to add a series of numbers.
• For integrals, define upper and lower bounds, then calculate using the integral function.

Step 10: Calculating Derivatives

• Access the derivative function and input the function you want to differentiate.

Step 11: Polar and Rectangular Conversions

• Convert between polar and rectangular coordinates using the dedicated conversion functions.

Step 12: Generating Random Numbers

• Use the random number function to generate values between specified limits.

Step 13: Rounding Numbers

• Access the rounding function to round results to the desired number of decimal places.

Step 14: Permutation and Combination Calculations

• For permutations (nPr), input the total number and the number of selections.
• For combinations (nCr), follow the same steps but use the combination function.

Step 15: QR Code Generation

• Learn to generate QR codes directly from the calculator.

Step 16: Complex Number Calculations

• Input complex numbers and perform operations using the dedicated complex number mode.

Step 17: Evaluating Functions

• Use the CALC function to evaluate various mathematical functions.

Step 18: Solving Equations for Variables

• To solve for variables like X, input the equation and use the solver function.

Step 19: Statistical Calculations

• Enter data for statistical calculations, accessing mean, median, and standard deviation functions.

Step 20: Number Base Conversions

• Convert between binary, decimal, hexadecimal, and octal using the respective functions on the calculator.

Step 21: Polynomial Calculations

• Solve for roots of polynomials of various degrees using the polynomial function.

Step 22: Matrix Operations

• Calculate determinants, inverses, and perform other matrix operations.

Step 23: Using Spreadsheets and Formulas

• Utilize the spreadsheet function to perform calculations with formulas.

Step 24: Metric Conversions

• Perform temperature, speed, and distance conversions using the metric conversion features.

Step 25: Troubleshooting and Errors

• Familiarize yourself with common errors and how to troubleshoot them.

Conclusion

This tutorial has covered essential features of the CASIO FX-991EX and FX-570EX calculators, from basic operations to advanced calculations. Practice each feature to become proficient and consider exploring additional resources for deeper understanding. Happy calculating!