| __Name__ | __Size__ | __Date__ | __Rating__ | __Description__ |

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

| **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! |

| **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. |

| **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 |

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

| **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! |

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

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

| **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. |

| **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. |

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

| **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. |

| **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. |

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

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

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

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

| **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 |

| **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 |

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

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

| **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. |

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

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

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

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

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

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

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

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

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

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

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

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

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

| **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. |

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

| **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. |

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

| **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. |

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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