TI85 Programs
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http://www.math.unl.edu/~jorr/calculus/ti85/ti_prog.htm  


John Lindsay Orr; Dept. of Mathematics & Statistics, Univ. of NebraskaLincoln  
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. Rootfinding 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 stepbystep instructions for use.  


Levels:  Middle School (68), High School (912), 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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