TI-85 Programs

 Visit this site: http://www.math.unl.edu/~jorr/calculus/ti-85/ti_prog.htm Author: John Lindsay Orr; Dept. of Mathematics & Statistics, Univ. of Nebraska-Lincoln Description: Integration programs include Riem (calculates a numerical value for the Riemann sum approximation of the definite integral of a function), Circumscribe (calculates an approximation of the definite integral of a function using circumscribed or inscribed rectangles), and Trap (uses the trapezoidal rule to estimate the area under the graph of a function). Secant calculates the difference quotient for a function at a given point. Root-finding programs include General Iteration Procedure and Newt, which uses Newton's method to approximate the root of a function. Miscellaneous programs include Trig (draws a circle of radius 1 and rotates a radius around, drawing the horizontal and vertical lines to the x and y axes, showing the behavior of sine and cosine), FEVAL (evaluates the function y1 at the given input x), and Ratios (when given a list of numbers, provides a list of adjacent ratios, x_(n+1) / x_n). With notes on downloading directly to the graphing calculator and step-by-step instructions for use. Levels: Middle School (6-8), High School (9-12), Early College Languages: English Resource Types: Calculators, Topic Tools Miscellaneous Math Topics: Equations, Exponents/Roots, Differentiation, Integration, Sequences and Series, Trigonometry

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