E-CodeTI-89 Titanium programs, by subject
35 checked TI-89 BASIC programs for the TI-89 Titanium, in 7 subjects. Open one to see what it asks for, how it was checked and how to put it on your calculator.
Math
- Quadratic roots, exact when possible
- Linear system, exact answers
- Fraction calculator: exact, mixed, decimal
- Prime factorization and divisors
- LU decomposition with pivoting (exact)
- Matrix inverse, exact
- Newton's method on a typed function
- Trapezoid and Simpson vs nInt
- ODE: Euler vs RK4 table
- Series partial sums, exact
- Matrix inverse from a typed matrix
- LU decomposition of a typed matrix
- Linear system Ax = b from a typed matrix
- Cramer's rule with every determinant
All TI-89 Titanium math programs
Statistics
- One-variable statistics of a list
- Linear regression with exact slope
- One-sample z test and interval (dialog)
- t test and interval from data lists
- Chi-square goodness of fit
- Binomial (exact), Poisson and normal probabilities
- Least-squares polynomial fit (exact)
- Least squares with matrices (Vandermonde)
- Markov chain: n steps and the steady state
All TI-89 Titanium statistics programs
Chemistry
- Titration curve: pH for a list of volumes
- Ideal gas PV=nRT: leave one blank
- Limiting reagent for any number of reactants
- Molar mass from a chemical formula
All TI-89 Titanium chemistry programs
Physics
Engineering
Finance
All TI-89 Titanium finance programs