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48 Using Applications (Apps)
Inequality Graphing App
Gives you new features for graphing equations and inequalities and evaluating the
relationship between them. You can:
• Enter inequalities using relation symbols
• Graph inequalities and shade the union and intersection regions
• Enter inequalities (vertical lines only) in an X=editor
• Trace points of interest (such as intersections) between relations
• Store (x,y) coordinate pairs to lists for viewing and optimizing functions for linear
programming.
Periodic Table App
Provides a graphical representation of the elements of the Periodic Table. This application
allows you to:
• Observe and explore the Periodic Table of the Elements
• Find property data and useful information about the known elements
• Sort the elements by atomic number, alphabetically by name, or alphabetically by
symbol
• Identify groups of elements by region (noble gasses, halogens, etc.) and block (p-, d-, s-
and f-)
• Export property data to lists for further analysis
• Graph the major properties (atomic radii, electronegativities, etc.) against atomic
number to illustrate the periodic nature of the elements
Polynomial Root Finder and Simultaneous Equation Editor App
This application:
• Calculates the roots (zeros) of polynomials of degree 1 through 10 with a convenient,
easy-to-use interface.
• Allows you to store solutions into lists, load a list into the application for polynomial
coefficients, and store the polynomial to a Y-Var to graph after quitting the App.
• Finds solutions to systems of linear equations.
• Allows you to load matrices containing the coefficients of linear systems, and identify
whether a given system has a unique solution, an infinite number of solutions, or no
solution.
Probability Simulation App
Explore probability theory with interactive animation that simulates the rolling of dice and
tossing of coins, and generates random numbers on your calculator. Options include:
• Bar Graph
• Table of trials data
• Settings for specifying numbers of trials
• Ways to collect data
• Weighting
In addition, students can export data for further exploration.
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