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fx-115 ES Plus - The Most Advanced Scientific Calculator, A Calculator For All Ages

Casio Education Technology・41 minutes read

The calculator is a versatile tool that can perform various mathematical functions like basic calculations, fractions, square roots, trigonometry, statistics, and more. It can handle complex operations, equations, inequalities, and distributions, making it a valuable tool for students and educators alike.

Insights

  • Properly setting up the calculator by resetting it and adjusting settings in the setup menu is crucial for efficient usage, ensuring accurate results and easy navigation between different modes and functionalities.
  • The calculator offers a wide range of capabilities, from basic mathematical operations to advanced functions like trigonometry, statistics, equations, and more, making it a versatile tool for educational purposes across various mathematical concepts and topics.

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Recent questions

  • How can I reset the calculator?

    Press shift, clear, select option 3.

  • What are the different modes on the calculator?

    Math, distributions, inequalities, vectors, tables, matrices, equations, base, statistics, complex numbers, computational.

  • How do I access the setup menu on the calculator?

    Press shift setup.

  • How can I input fractions easily on the calculator?

    Utilize templates in natural display.

  • What trigonometric functions can the calculator compute?

    Cosine, tangent, sine in simplified radical form.

Related videos

Summary

00:00

"Mastering Calculator Functions for Effective Teaching"

  • Ensure the calculator is set up correctly by pressing shift, clearing, and selecting option 3 to reset everything.
  • The calculator has various modes like math, distributions, inequalities, vectors, tables, matrices, equations, base, statistics, complex numbers, and computational.
  • Use the mode button to switch between modes, ensuring you're in mode 1 for basic calculations.
  • Access the setup menu by pressing shift setup to adjust settings like display type, degrees or radians, decimal settings, and contrast.
  • Utilize templates in natural display to input fractions easily and toggle between decimal and fraction representations using the STD key.
  • Teach students about repeating decimals by inputting numbers like 1, 2, 13, 17, and 23 over 99 to show patterns.
  • Simplify square roots and rationalize denominators to demonstrate mathematical concepts effectively.
  • Explore the calculator's capabilities by mixing fractions with abstract concepts like pi and discussing the results.
  • Convert time calculations into degrees, minutes, and seconds using the degrees, minutes, seconds key for practical applications.
  • Teach division with remainders using the alpha fraction key to show how remainders can lead to discussions on mixed numbers.

17:56

Converting 37 to Fraction and Remainder

  • To convert 37 to a fraction over 3, input 37 into the calculator and open the template.
  • The calculator recognizes 37 as the numerator and prompts for the denominator, which is 3.
  • The result is displayed as a fraction and a decimal.
  • Exploring the concept of remainder, a remainder of 0.3 as a decimal is discussed.
  • The idea progresses to understanding remainders in various forms - fraction, decimal, repeating, and non-repeating.
  • Utilizing a template, a mixed number and an improper fraction are displayed for further understanding.
  • Prime factorization is introduced as a crucial concept, exemplified with the year 2012.
  • The calculator can factorize numbers, distinguishing between prime and non-prime numbers.
  • The concept extends to exponent rules, demonstrated with the power template for calculations.
  • Moving into trigonometry, the calculator can compute trigonometric functions like cosine, tangent, and sine in simplified radical form.

36:46

Calculator capabilities: equations, statistics, regressions, distributions, vectors.

  • The square root of 2 over 2 is equivalent to 1 over the square root of 2.
  • The calculator can handle inequalities, such as determining if one number is greater or less than another.
  • The calculator's verify menu requires being in the correct mode to use certain functions, like inequalities.
  • The calculator can perform complex operations, equations, and verify relationships, but does not handle advanced calculus like integrals.
  • In statistics mode, the calculator can conduct one-variable statistics, including finding means and standard deviations.
  • The calculator can also perform regressions, including linear regression, quadratic regression, and more.
  • The calculator's distribution mode allows for calculations like normal cumulative density functions and random number generation.
  • The calculator can solve equations, including systems of equations and quadratic equations.
  • The calculator can handle inequalities, such as quadratic inequalities, and provide compound inequality solutions.
  • The calculator includes scientific constants and can perform vector operations, like addition, subtraction, and dot products.
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