| __Name__ | __Size__ | __Date__ | __Rating__ | __Description__ |

| **(Parent Dir)** | *folder* | | **Up to TI-81 BASIC Files** |

| **allmath.zip** | 23k | 99-10-28 | | **CA to Prob Math Programs** Full array of math programs from college algebra to calculus to probablity and statistics. Separate zip for each section. |

| **areas.81** | 3k | 98-09-05 | | **Areas** Area solver |

| **autobi.81** | 1k | 98-03-28 | | **AutoBinomial** |

| **binom.81** | 1k | 98-03-28 | | **Binomial Probability** |

| **calcpograms.zip** | 4k | 00-06-04 | | **Area, Surface Area, Volume, & Density Calculators** Includes small (323 bytes combined) programs to calculate Area, Surface Area, Volume, & Density |

| **calcprog.zip** | 4k | 00-06-08 | | **Area, Volume, Density, & Surface Area Calculators** Small (323 bytes combined) programs to calculate Area, Volume, Density, and Surface Area |

| **cardano.81** | 1k | 00-05-09 | | **Cardanos Equation-solver** Third-grade Equation-solver |

| **combinat.81** | 1k | 98-03-28 | | **Combinations** |

| **compound.81** | 1k | 98-03-28 | | **Compound Interest** |

| **conic.txt** | 1k | 01-02-20 | | **Conic Section Grapher** graphs ax²+bxy+cy²+dx+ey+f=0 |

| **cpxdiv.txt** | 1k | 01-02-20 | | **Complex Division** divides 2 complex numbers |

| **cpxmult.txt** | 1k | 01-02-20 | | **Complex Multiplication** multiplies 2 complex numbers |

| **cubicreg.81** | 1k | 98-03-28 | | **Cubic Regression** |

| **degrad.81** | 1k | 98-03-28 | | **Degrees <-> Radians Converter** This program changes Degrees to Radians and vice versa |

| **degreeconverter.81** | 1k | 00-06-03 | | **Degree Converter** Celcius<->Fahrenheit<->Kelvin |

| **der2.81** | 1k | 00-10-20 | | **Second Derivative** uses the centered difference formula to evaluate Y1" at a given value of X. |

| **deriv.81** | 1k | 00-11-24 | | **Derivara** Derivata solver |

| **diagonal.81** | 2k | 98-03-28 | | **Number of Diagonals in a Polygon** |

| **discrimi.81** | 1k | 98-03-29 | | **Discriminant** This program solves for the discrimant of an equation |

| **distance.81** | 1k | 97-07-24 | | **Distance Formula** |

| **distunit.81** | 1k | 98-03-30 | | **Distance Formula** |

| **factor.81** | 1k | 98-09-05 | | **Factor** |

| **frac81.81** | 1k | 98-03-28 | | **Decimal to Fraction** |

| **ftin2m.81** | 1k | 00-10-13 | | **Feet+Inches to Meters** Converts measurements in mixed feet and inches to meters. For example, 5'11" is 1.80 m. |

| **gif.81** | 2k | 00-07-10 | | **GIF2.1** Greatest Integer Function Version 2.1 |

| **graph3d.zip** | 1k | 13-04-26 | | **Graph3D 81 v2.0** This incredible program lets you graph 3D equations on your TI-81 with an incredible amount of accuracy! Uses your current window and format settings. This program, now ported to the TI-81, is a must for any serious mathematician! |

| **heron.81** | 1k | 98-03-28 | | **Heron's Formula (area of scalene triangle)** |

| **hist.scl.txt** | 1k | 10-10-06 | | **HIST.SCL** Fixes Xscl so that a histogram can be drawn and then prompts you if you draw the histogram |

| **inchgal.81** | 1k | 98-03-28 | | **Gallons <-> Cubic Inches Converter** |

| **intrestc.81** | 1k | 98-03-30 | | **Interest Continously: Once Per Year** |

| **intrestn.81** | 1k | 98-03-30 | | **Interest 'n' Times** |

| **jefagrph.81** | 1k | 00-11-24 | | **Jefa Graph 2** Graphprogram |

| **jefaph.81** | 1k | 00-10-10 | | **Jefa pH** pH solver. |

| **jefasolver.81** | 1k | 00-09-05 | | **Jefa Solver** Second-Grade-Equation-Solver |

| **kilomile.81** | 1k | 98-03-28 | | **Kilometers <-> Miles Converter** |

| **kvad.81** | 1k | 97-07-24 | | **Quadratic Equation Solver** |

| **lboz2kg.81** | 1k | 00-10-13 | | **Pounds+Ounces to Kilograms** Converts measurements in mixed pounds and ounces to kilograms. For example, 7 lb 4 oz is 3.289 kg. |

| **limit.81** | 1k | 97-07-24 | | **Limit of a Function** |

| **lineseg.81** | 1k | 98-03-30 | | **Line Segment** |

| **mandel.81** | 13k | 97-07-24 | | **Mandelbrot Fractal Generator** |

| **maxmin.81** | 2k | 97-06-22 | | **Calculate Max and Min** |

| **metyard.81** | 1k | 98-03-28 | | **Meters <-> Yards Converter** |

| **midpoint.81** | 1k | 98-03-30 | | **Midpoint** |

| **minquad.81** | 1k | 99-09-24 | | **MinQuad** Solves almost any regression given the data and the component functions. |

| **mtrxswap.81** | 1k | 98-03-28 | | **Matrix Swap** |

| **mtxrot.81** | 1k | 97-07-24 | | **Matrix Rotation** |

| **newton.81** | 1k | 97-07-24 | | **Newton's Method** |

| **percent.81** | 1k | 00-07-20 | | **Percent v1.3** |

| **perimetr.81** | 3k | 98-09-05 | | **Perimeters** Perimeter solver |

| **permutat.81** | 1k | 98-03-28 | | **Permutations** |

| **pieuler89.zip** | 2k | 03-05-18 | | **Pi: Euler's Method** This package of programs for all TI's quickly converges to pi using one of Euler's methods. |

| **poh.81** | 1k | 00-11-24 | | **Jefa pOH** pOH solver |

| **poisson.81** | 1k | 00-10-13 | | **Poisson Probability Distribution Function** Like th 83. |

| **polar81.zip** | 1k | 04-05-11 | | **Polar Graphing** |

| **poly-a.81** | 1k | 97-07-24 | | **Polygon Area and Center of Gravity** |

| **polydiv.81** | 1k | 97-07-24 | | **Polynomial Divison** Polynomial Division |

| **powroot.zip** | 6k | 03-06-19 | | **Any Root Finder (Guess-n-Check Method)** This is simple to use. You input the number, the root you want to find (2 for square, 3 for cube, etc), and how many decimal places. It'll only show the TI's limit in decimal places, but is pretty cool nonetheless. Quickly made for every TI. |

| **primeftr.81** | 2k | 98-03-30 | | **Prime Factors** |

| **prodroot.81** | 1k | 98-03-28 | | **Product of the Roots** |

| **qdrtc.zip** | 1k | 11-07-31 | | **Quadratic Formula** This program automates the quadratic formula. It displays different messages based on the value of the discriminant, such as "ONE SOLUTION" if the discriminant is zero. This program will modify variables A,B,C, and D and may also modify variables E,F, and G based on the value of the discriminant. This program occupies 207 bytes, so make sure you have sufficient space in RAM. In response to the prompts, enter constants a,b, and c from a quadratic equation of the form ax^2+bx+c=0. |

| **quad2.81** | 1k | 97-07-24 | | **Quadratic Equation Program (graphs too)** |

| **quad.81** | 1k | 97-07-24 | | **Quadratic Equation Program** |

| **quad81.zip** | 1k | 04-05-12 | | **Quadrametric Graphing** |

| **quadform.81** | 1k | 98-03-30 | | **Quadratic Formula** |

| **quadrad.81** | 1k | 02-04-09 | | **Quadrad v1.00 (fixed again)** Quadratic formula program for TI-81. |

| **quadrat81.zip** | 1k | 08-02-28 | | **Quadrat 81 v1.0 Quadratic formula solver** This is a simple and easy to use quadratic formula solver for your TI 81. Just type it into the program editor and Type in A, B, and C . Only about 150 bytes! |

| **quadrati.81** | 1k | 97-07-24 | | **Quadratic Equation Program** |

| **quadreg.81** | 1k | 98-03-28 | | **Quadratic Regression** |

| **ramanuja.81** | 1k | 98-03-28 | | **Ramanujan's Formula** This is the formula written by Srinivasa Ramanujan Iyengar that solves the answer for infinite radicals. |

| **rand.81** | 1k | 97-07-24 | | **Random Number Generator** |

| **range.81** | 1k | 97-07-24 | | **Range Program** |

| **simple.81** | 1k | 98-03-28 | | **Simple Interest** |

| **simpson.81** | 2k | 97-07-24 | | **Simpson's Rule Program** |

| **slope.zip** | 1k | 03-02-04 | | **Slope** Finds the slope of coordinate geometry. |

| **solve_eq.81** | 1k | 98-03-28 | | **Equation Solver** |

| **solver81.81** | 1k | 97-07-24 | | **Equation Solver for One Unknown Variable** |

| **sprslver.81** | 1k | 97-07-13 | | **Super Solver** |

| **sumroots.81** | 1k | 98-03-28 | | **Sum of the Roots** |

| **superqf.81** | 1k | 98-03-30 | | **Super Quadratic Formula** |

| **sys3eq.81** | 1k | 00-10-20 | | **System of 3 Equations** solves a system of 3 linear equations |

| **syseq.81** | 1k | 00-10-13 | | **System of 2 Equations** solves a system of 2 linear equations |

| **table.81** | 1k | 97-05-28 | | **Improved Table Program** |

| **triangle.81** | 1k | 98-03-28 | | **Area of a Triangle** |

| **triarea.81** | 1k | 02-03-25 | | **Triarea 1.00 (fixed)** Finds the area of a triangle. |

| **trinums.81** | 1k | 98-03-29 | | **Triangular Numbes v2.0** This is a better triangular number program than my original one. This differnce between this one and the other ones, is this ones smaller, and is also faster. |

| **troy.81** | 1k | 00-10-20 | | **Troy weight converter** converts troy pounds and ounces to grams |

| **vector81.81** | 1k | 97-07-24 | | **Addition of Two or More Vectors** |

| **volumes.81** | 3k | 98-09-05 | | **Volumes** Volume solver |

| **weaselwo.81** | 1k | 97-07-24 | | **Spoke Length Calculating Program** |

| **yx.81** | 1k | 98-03-28 | | **Y^X Power Solver** This is a simple Y X program that will solve for answers larger than the calculator normally would. It uses the combination of logarithms and 10 x functions to solve.. It gives the answer in scientific notation. |

| **zdecimal.81** | 1k | 00-10-20 | | **ZDecimal** changes the window settings so all of the graph coordinates are multiples of 0.2. |

| **zero.81** | 5k | 97-07-24 | | **Zero Program** |

| **zerofind.81** | 1k | 97-07-13 | | **Zero Finder** |

| **zeta.zip** | 3k | 09-11-01 | | **Zeta Function** This is the zeta function, for all TI's except the TI-73. |