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TI-81 BASIC MATH PROGRAMS

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Archive Statistics
Number of files 89
Last updated Thursday, 28 February 2008
Total downloads 235,231
Most popular file  Heron's Formula (area of scalene triangle) with 7,155 downloads.


Name Size Date Rating Description
(Parent Dir) folder   Up to TI-81 BASIC Files
quadrat81.zip 1k 08-02-28 File is not rated 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!
golden89.zip 22k 06-04-19 File is not rated Golden Ratio (All TI's & DOS)
Each program finds the Golden Ratio and stores it to B. The DOS version simply tells you the Golden Ratio and shows the same math as the TI versions (but MUCH faster).
pythag89.zip 27k 06-04-15 File rated 3.69 Optimal Pythagorean Solvers
This solves for any variable in the Pythagorean Theorem. It's made in TI-Basic for all TI's; QBasic for IBM PC DOS; and z80 asm on the 83+ & 86. All TI-Basic version have been optimized extensively and tested for errors.
fracexpd.zip 2k 06-04-12 File is not rated Fraction Expander Deluxe
This has been updated to be extremely small, ported to all TI's, and to be supremely fast. The program prompts you for 3 numbers: A and B from A/B, and C for number of decimal places. Then you watch it perform long division so fast your eyes hurt :)
zeta.zip 1k 05-05-27 File is not rated Zeta Function 4 most TI's
This is the zeta function for the 80, 81, 83+, 83+SE, 84+, 84+SE, 86, 89, 89TI, 92+, and V200. It is a convergence, i think.
quad81.zip 1k 04-05-12 File is not rated Quadrametric Graphing
polar81.zip 1k 04-05-11 File is not rated Polar Graphing
powroot.zip 6k 03-06-19 File is not rated 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 File is not rated 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 File is not rated Slope
Finds the slope of coordinate geometry.
quadrad.81 1k 02-04-09 File is not rated Quadrad v1.00 (fixed again)
Quadratic formula program for TI-81.
triarea.81 1k 02-03-25 File is not rated Triarea 1.00 (fixed)
Finds the area of a triangle.
cpxdiv.txt 1k 01-02-20 File is not rated Complex Division
divides 2 complex numbers
cpxmult.txt 1k 01-02-20 File is not rated Complex Multiplication
multiplies 2 complex numbers
conic.txt 1k 01-02-20 File is not rated Conic Section Grapher
graphs ax²+bxy+cy²+dx+ey+f=0
poh.81 1k 00-11-24 File is not rated Jefa pOH
pOH solver
jefagrph.81 1k 00-11-24 File is not rated Jefa Graph 2
Graphprogram
deriv.81 1k 00-11-24 File is not rated Derivara
Derivata solver
troy.81 1k 00-10-20 File is not rated Troy weight converter
converts troy pounds and ounces to grams
der2.81 1k 00-10-20 File is not rated Second Derivative
uses the centered difference formula to evaluate Y1" at a given value of X.
sys3eq.81 1k 00-10-20 File is not rated System of 3 Equations
solves a system of 3 linear equations
zdecimal.81 1k 00-10-20 File is not rated ZDecimal
changes the window settings so all of the graph coordinates are multiples of 0.2.
poisson.81 1k 00-10-13 File is not rated Poisson Probability Distribution Function
Like th 83.
syseq.81 1k 00-10-13 File is not rated System of 2 Equations
solves a system of 2 linear equations
lboz2kg.81 1k 00-10-13 File is not rated 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 File is not rated 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 File is not rated Jefa pH
pH solver.
jefasolver.81 1k 00-09-05 File is not rated Jefa Solver
Second-Grade-Equation-Solver
percent.81 1k 00-07-20 File is not rated Percent v1.3
gif.81 2k 00-07-10 File is not rated GIF2.1
Greatest Integer Function Version 2.1
calcprog.zip 4k 00-06-08 File is not rated 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 File is not rated 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 File is not rated Degree Converter
Celcius<->Fahrenheit<->Kelvin
cardano.81 1k 00-05-09 File is not rated Cardanos Equation-solver
Third-grade Equation-solver
allmath.zip 23k 99-10-28 File is not rated 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 File is not rated MinQuad
Solves almost any regression given the data and the component functions.
volumes.81 3k 98-09-05 File is not rated Volumes
Volume solver
perimetr.81 3k 98-09-05 File is not rated Perimeters
Perimeter solver
factor.81 1k 98-09-05 File is not rated Factor
areas.81 3k 98-09-05 File is not rated Areas
Area solver
superqf.81 1k 98-03-30 File is not rated Super Quadratic Formula
quadform.81 1k 98-03-30 File is not rated Quadratic Formula
primeftr.81 2k 98-03-30 File is not rated Prime Factors
midpoint.81 1k 98-03-30 File is not rated Midpoint
lineseg.81 1k 98-03-30 File is not rated Line Segment
intrestn.81 1k 98-03-30 File is not rated Interest 'n' Times
intrestc.81 1k 98-03-30 File is not rated Interest Continously: Once Per Year
distunit.81 1k 98-03-30 File is not rated Distance Formula
trinums.81 1k 98-03-29 File is not rated 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 File is not rated Discriminant
This program solves for the discrimant of an equation
sumroots.81 1k 98-03-28 File is not rated Sum of the Roots
simple.81 1k 98-03-28 File is not rated Simple Interest
prodroot.81 1k 98-03-28 File is not rated Product of the Roots
permutat.81 1k 98-03-28 File is not rated Permutations
metyard.81 1k 98-03-28 File is not rated Meters <-> Yards Converter
kilomile.81 1k 98-03-28 File is not rated Kilometers <-> Miles Converter
compound.81 1k 98-03-28 File is not rated Compound Interest
combinat.81 1k 98-03-28 File is not rated Combinations
solve_eq.81 1k 98-03-28 File is not rated Equation Solver
triangle.81 1k 98-03-28 File is not rated Area of a Triangle
quadreg.81 1k 98-03-28 File is not rated Quadratic Regression
mtrxswap.81 1k 98-03-28 File is not rated Matrix Swap
frac81.81 1k 98-03-28 File is not rated Decimal to Fraction
diagonal.81 2k 98-03-28 File is not rated Number of Diagonals in a Polygon
cubicreg.81 1k 98-03-28 File is not rated Cubic Regression
binom.81 1k 98-03-28 File is not rated Binomial Probability
autobi.81 1k 98-03-28 File is not rated AutoBinomial
inchgal.81 1k 98-03-28 File is not rated Gallons <-> Cubic Inches Converter
heron.81 1k 98-03-28 File is not rated Heron's Formula (area of scalene triangle)
ramanuja.81 1k 98-03-28 File is not rated 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 File is not rated Degrees <-> Radians Converter
This program changes Degrees to Radians and vice versa
yx.81 1k 98-03-28 File is not rated 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.
distance.81 1k 97-07-24 File is not rated Distance Formula
kvad.81 1k 97-07-24 File is not rated Quadratic Equation Solver
limit.81 1k 97-07-24 File is not rated Limit of a Function
mandel.81 13k 97-07-24 File is not rated Mandelbrot Fractal Generator
mtxrot.81 1k 97-07-24 File is not rated Matrix Rotation
newton.81 1k 97-07-24 File is not rated Newton's Method
poly-a.81 1k 97-07-24 File is not rated Polygon Area and Center of Gravity
polydiv.81 1k 97-07-24 File is not rated Polynomial Divison
Polynomial Division
quad.81 1k 97-07-24 File is not rated Quadratic Equation Program
quad2.81 1k 97-07-24 File is not rated Quadratic Equation Program (graphs too)
quadrati.81 1k 97-07-24 File is not rated Quadratic Equation Program
rand.81 1k 97-07-24 File is not rated Random Number Generator
range.81 1k 97-07-24 File is not rated Range Program
simpson.81 2k 97-07-24 File is not rated Simpson's Rule Program
solver81.81 1k 97-07-24 File is not rated Equation Solver for One Unknown Variable
vector81.81 1k 97-07-24 File is not rated Addition of Two or More Vectors
weaselwo.81 1k 97-07-24 File is not rated Spoke Length Calculating Program
zero.81 5k 97-07-24 File is not rated Zero Program
sprslver.81 1k 97-07-13 File is not rated Super Solver
zerofind.81 1k 97-07-13 File is not rated Zero Finder
maxmin.81 2k 97-06-22 File is not rated Calculate Max and Min
table.81 1k 97-05-28 File is not rated Improved Table Program

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