Getting Started:
Make math and science easier (and more fun) with free graphing calculator programs and games from calculatorti.com. You can make the process of transfering the application to your calculator sweet and simple with Texas Instrument's handy TI connect software. Install it on your computer and grab your GraphLink Connection cable (USB cable) to plug in your calculator. Then you can start downloading any of our programs and games (Wow! There's a lot!) from our libraries to transfer and install them to your calculator. Have fun!Title:  Brief Desc.  Brief Description:  Req.  Requirements:  Category: 

Calculus Program 89  TI89 graphing calculator calculus program for calculating the equations of lines, average rate of change, difference quotient, and tangent lines 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Calculus ] 

3 Dimensional Function Converter  TI89 graphing calculator program for converting 3d functions. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Algebra ] 

Trapezoid Rule  TI84 Plus and TI83 Plus graphing calculator program uses the trapezoid rule to approximate the area under a curve. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Calculus Function Program  TI84 Plus and TI83 Plus graphing calculator program for numerous calculations related to calculus functions. A great program! 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Math Apps: Quadratic, Distance, Growth and Decay Formulas  TI84 Plus and TI83 Plus graphing calculator program for calculating quadratic, distance, growth and decay formulas. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Algebra ] 

Polynomial Histogram Builder  TI89 graphing calculator histogram program. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Algebra ] 

Steepest Ascent Path  TI89 graphing calculator program for calculating the steepest ascent path. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Calculus ] 

Investing and Borrowing Program  TI89 graphing calculator investing and borrowing program. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ BusinessFinance ] 

Graphing Parametric Equations: 3D Space Curve  TI89 graphing calculator program, graphs parametric 3D space curves. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Graphing ] 

Distance Between 2 Points  TI89 graphing calculator program for calculating the distance between 2 points. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Geometry ] 

Trapezoidal Rule  TI84 Plus and TI83 Plus graphing calculator program for approximating the region under the graph of a function using the trapezoidal rule. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Solve Range Formula  TI89 graphing calculator range formula program. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Algebra ] 

Polynomial Pattern of a Series  TI84 Plus and TI83 Plus graphing calculator program for calculating the polynomial pattern of a series. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Algebra ] 

Graphing Equations and Inequalites  TI89 graphing calculator program, simplifies graphing of equations and inequalities. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Graphing ] 

Common Calculus Methods and Functions  TI89 graphing calculator program for finding zeros in a function, interpolation, and integration using several different methods. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Calculus ] 

Polynomial Root Finder and Grapher  TI89 graphing calculator program for finding and graphing the roots of a polynomial. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Graphing ] 

Implicit Graphing  TI89 graphing calculator implicit graphing program. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Graphing ] 

Simplify Fractions and Convert Fractions to Decimals  TI84 Plus and TI83 Plus graphing calculator program simplifying fraction and converting them to decimals. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Algebra ] 

Geometric and Arithmetic Series, Combinations and Probability  TI84 Plus and TI83 Plus graphing calculator program for problems involving series. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Algebra ] 

Newton's Divided Differences Method: Interpolation  TI84 Plus and TI83 Plus graphing calculator program, performs interpolation calculations using Newton's Divided Differences Method. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Algebra ] 

Equation of a Circle  TI89 graphing calculator program for converting the equation of a circle between forms. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Geometry ] 

Diophantine Equations  TI89 graphing calculator Diophantine equations program. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Algebra ] 

Improved Euler Method  TI84 Plus and TI83 Plus graphing calculator program. Numerically approximates solutions to firstorder differential equations using the improved Euler method. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Oblique and Right Triangles  TI89 graphing calculator program, performs calculations related to oblique and right triangles. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Trigonometry ] 

Area Under Curve or Function  TI84 Plus and TI83 Plus graphing calculator program for calculating the area under a curve. Graphs and labels results. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Advanced Derivative Function  TI84 Plus and TI83 Plus graphing calculator Program. Calculates the derivative of a function. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Memorize Pi  TI89 graphing calculator program which helps in memorization of pi. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Geometry ] 

Parabola Solve  TI89 graphing calculator program for solving parabolas. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Algebra ] 

Exponential Regression Conversion  TI84 Plus and TI83 Plus graphing calculator program calculates exponential regression and converts answer to y=ae^(bx) form. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Algebra ] 

Differential Equation Solver: 2 Points  TI84 Plus and TI83 Plus graphing calculator program. Solves differential equations given 2 points. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Differential and Integral Calculus Notes  TI84 Plus and TI83 Plus graphing calculator program. Contains notes on differential, integral calculus. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Volume of Circular Revolution  TI84 Plus and TI83 Plus graphing calculator program for calculating volume of circular revolution 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Binomial Expansion: Pascal's Triangle  TI84 Plus and TI83 Plus graphing calculator program will expand any binomial to the 336th degree and find any row pascal's triangle within the ... 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Algebra ] 

Linear Interpolation Function  TI89 graphing calculator linear interpolation program. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Algebra ] 

Solving Logarithms  TI84 Plus and TI83 Plus graphing calculator program for solving logarithms. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Algebra ] 

Algebra: Lines, Slope, Volume, Surface Area and perimeter  TI84 Plus and TI83 Plus graphing calculator program for calculating slope, linear equations, surface area, permiter, volume and more. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Algebra ] 

Calculus Area Finder  TI89 program for calculating area in calculus. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Calculus ] 

Unit Circle Graph  TI89 graphing calculator program, graphs the unit circle for a given angle. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Graphing ] 

Pade Approximants  TI84 Plus and TI83 Plus graphing calculator program uses Pad? approximant to find the best approximation of a function. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Newton's Method  TI84 Plus and TI83 Plus graphing calculator program uses Newton's method to approximate the zeros of a function. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Calculus TI89  TI89 graphing calculator program includes over 80 features for calculus. Some include sign charts, domain and range of functions, moving particle problems, differentiation and integration. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Calculus ] 

Pole Order Program  TI89 graphing calculator pole order program. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Algebra ] 

Inverse Functions  TI89 graphing calculator program for finding the inverse of a function. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Calculus ] 

Alpha Function  TI89 graphing calculator program for defining the Alpha function. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Calculus ] 

Science and Engineering Statistics  TI89 graphing calculator science and engineering statistics program. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Statistics ] 

3 Variable System of Equations Solver  TI84 Plus and TI83 Plus graphing calculator program for solving equations with 3 variables. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Algebra ] 

Basic Logarithms  TI89 graphing calculator program lists some basic and common calculus logarithms. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Calculus ] 

Linear Proportion  TI89 graphing calculator linear proportion program. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Statistics ] 

Differential Equations: RungeKutta Method  TI84 Plus and TI83 Plus graphing calculator program for solving differential equations using the RungeKutta method 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Statistical Inventory Methods  TI89 graphing calculator program for calculating statistical inventory methods. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Statistics ] 

Euler's Method: Pi  TI89 graphing calculator program, converges to pi using Euler's Method. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Calculus ] 

AP Calculus Formulas  TI89 graphing calculator AP calculus formulas program. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Calculus ] 

Area Under A Curve: Simpsons rule, Trapezoidal Rule, Upper and Lower Sums  TI84 Plus and TI83 Plus graphing calculator program for calculating Simpson's rule, trapezoidal rule, and upper and lower sum and area under a curve. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Integral Rules  TI89 graphing calculator program contains common integral rules for calculus 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Calculus ] 

Dirichlet Lambda Function  TI89 graphing calculator Dirichlet Lambda Function program. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Algebra ] 

Calculus: Slope Fields, Average Value, Riemann Sums, Line Analysis  TI84 Plus and TI83 Plus graphing calculator program for common calculus problems including slope fields, average value, Riemann sums and slope, distance and midpoint of ... 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Differential Equations: nth Degree  TI89 graphing calculator program for solving differential equations of the nth degree. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Calculus ] 

Absolute Coordinate System Graphing  TI89 graphing calculator program, adds absolute coordinate system graphing to the calculator. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Graphing ] 

Math Made Easy  TI89 graphing calculator program calculates slope, intercepts, distance, midpoint, and equation of a line. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Algebra ] 

Polynomial Interpolation  TI89 graphing calculator polynomial interpolation program. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Algebra ] 

Limit of a Function: Infinity  TI84 Plus and TI83 Plus graphing calculator program. Finds the limit of a function that approaches infinity. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Mode of a Data Set  TI89 graphing calculator program for calculating the mode of a data set. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Statistics ] 

Integrals and The Fundamental Theorem of Calculus  TI84 Plus and TI83 Plus graphing calculator program for finding integrals and calculating the fundamental theorem of calculus. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Monthly or Periodic Payment Calculator  TI89 graphing calculator program for calculating monthly or periodic payments. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ BusinessFinance ] 

Storing Data Sets  TI89 graphing calculator program for storing statistical data sets. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Statistics ] 

Parameterize Line Segments  TI89 graphing calculator program for parameterization of line segments. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Algebra ] 

Newton's Method With Error Checking  TI84 Plus and TI83 Plus graphing calculator program for calculating the zeros of a function using Newton's method. Includes error checking. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Curved Data Analysis: Power and Regression  TI89 graphing calculator program for analyzing statistical curve data. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Statistics ] 

Average or Mean  TI89 graphing calculator program for calculating the average or mean of a series of numbers. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Statistics ] 

Factor Trinomials, FOIL and Difference or Sum of 2 Cubes  TI84 Plus and TI83 Plus graphing calculator program for factoring trinomials, FOIL and finding the sum and difference between cubes. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Algebra ] 

Find the Discriminant  TI89 graphing calculator program for finding the discriminant. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Algebra ] 

Integral Approximations  TI89 graphing calculator programs for integral approximation using exact approximation, Simpson's rule, trapezoid rule and Riemann sums 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Calculus ] 

Equation Solver and Manager  TI84 Plus and TI83 Plus graphing calculator program saves and solves algebra equations. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Algebra ] 

Length of Curve and Surface area of a Function  TI84 Plus and TI83 Plus graphing calculator program. Calculates the length of curve and surface area of a function. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Analytic Geometry: Points and Lines  TI89 graphing calculator program for solving analytic geometry problems involving points and lines. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Geometry ] 

Algebra, Geometry and Trig Program  TI84 Plus and TI83 Plus graphing calculator algebra 2, geometry and trig program. conics, cosine, greatest common factor, Pascal's triangle and more. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Algebra ] 

Unit Circle Conversions  Pi to Degrees  TI89 graphing calculator program, provides unit circle coordinate conversions From Pi to Degrees and Degrees to Pi 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Calculus ] 

Triangle: Sides, Angles, Area, Altitude, Median & Bisectors  TI89 graphing calculator triangle program. Calculates Length of sides, angles, area, altitude, median and bisectors. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Trigonometry ] 

Finding the area between two curves  TI84 Plus and TI83 Plus graphing calculator program for finding the area between two curves. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Calculus Programs Collection  TI84 Plus and TI83 Plus graphing calculator program collection. Contains several features and formulas for calculus algebra, geometry and trigonometry. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Complex Roots of Complex Numbers  TI84 Plus and TI83 Plus graphing calculator program for calculating complex roots of complex numbers. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Algebra ] 

Solving Geometry Equations  TI89 graphing calculator program for solving geometry equations. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Geometry ] 

Bisection (Interval Harving)  TI89 graphing calculator bisection  interval harving program. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Calculus ] 

Finance Ratios: Time Value of Money  TI89 graphing calculator program for calculating the time value of money. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ BusinessFinance ] 

Factor Any Polynomial, All Real and NonZero Roots  TI84 Plus and TI83 Plus graphing calculator program for factoring polynomials. Gives all real and nonreal zero roots. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Algebra ] 

Geometry Notes: Theorems and Postulates  TI89 graphing calculator program contains geometry notes on important theorems and postulates in geometry. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Geometry ] 

Cubic Spline Solve  TI89 graphing calculator cubic spline program. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Algebra ] 

Growth Decay Equation  TI89 graphing calculator program for solving variables in the growth/decay equation. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Calculus ] 

Diophantine Equations  TI84 Plus and TI83 Plus graphing calculator program solves diophantine equations. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Algebra ] 

Bisection Method Function Solver  TI89 graphing calculator program for solving functions with the bisection method. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Algebra ] 

Riemann Sum  TI84 Plus and TI83 Plus graphing calculator Riemann sum program. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Integration Sums: Area Under a Curve  TI84 Plus and TI83 Plus graphing calculator program. Calculates integration sums used for approximating area under a curve. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Functions: Shell Method, Disk Method, Integration, Washer Method, Area, Centroid and More  TI84 Plus and TI83 Plus graphing calculator program performs a number of important operations with calculus functions. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Limit Comparison Test  TI89 graphing calculator program, tests improper integrals for convergence of divergence using the Limit Comparison Test. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Calculus ] 

Factoring  Multiplying Monomials  Prime Factorization  TI84 Plus and TI83 Plus graphing calculator program for factoring and multiplying polynomials, trinomials, and cubic functions. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Algebra ] 

Basic Integrals  TI89 graphing calculator program lists some basic and common calculus integrals. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Calculus ] 

Calculus Gradient Program  TI89 graphing calculator program for calculating calculus gradients, directional derivative, divergence, Laplacian of scalar and more. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Calculus ] 

Average Rate of Change  TI84 Plus and TI83 Plus graphing calculator program for calculating the average rate of change. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Rolle's Theorem  TI84 Plus and TI83 Plus graphing calculator Rolle's theorem program. 
Requires the ti83 plus or a ti84 model.
(Click here for an explanation)

[ Programs ] [ ti83/ti84 ] [ Calculus ] 

Algebra 2 Geometry  TI89 graphing calculator algebra and geometry program. Completing the square, prime number functions, temperature converter and more. 
Requires the ti89 calculator.
(Click here for an explanation)

[ Programs ] [ ti89 ] [ Algebra ] 