2,536 downloads so far across 89 free programs. Counts are totals only; nothing about who downloaded is stored.
First transfer? Follow How to install a Python program on a TI-84 Plus CE Python before downloading.
Want your own notes on the calculator? Use the Note Card Maker to turn them into a program with cards and a menu.
Find a program
Chemistry programs
-
Arrhenius Equation
Calculate an Arrhenius rate constant, a second-temperature rate constant, activation energy, or pre-exponential factor and show the rearrangement used.
arrhEQ.py1837 bytes · v1.0.0 · uses math Not calculator tested Downloaded 37 times -
Beer-Lambert Law
Solve A = epsilon*c*l and convert between absorbance and transmittance while keeping units and model limits visible.
beer.py2111 bytes · v1.0.0 · uses math Not calculator tested Downloaded 34 times -
Bragg's Law
Solve n*lambda = 2*d*sin(theta), including a guided conversion from an XRD 2-theta reading.
bragg.py2301 bytes · v1.0.0 · uses math Not calculator tested Downloaded 36 times -
Clausius-Clapeyron Equation
Use the integrated Clausius-Clapeyron relation to solve either pressure, either temperature, or enthalpy of vaporization.
ccEQ.py2167 bytes · v1.0.0 · uses math Not calculator tested Downloaded 34 times -
Gibbs Free Energy
Calculate Delta G from Delta H, Delta S, and T or relate standard Gibbs energy to a dimensionless equilibrium constant.
gibbs.py1808 bytes · v1.0.0 · uses math Not calculator tested Downloaded 33 times -
Henderson-Hasselbalch Equation
Solve pH = pKa + log10([A-]/[HA]) and its pKa, ratio, conjugate-base, and weak-acid rearrangements.
hhEQ.py1396 bytes · v1.0.0 · uses math Not calculator tested Downloaded 34 times -
Michaelis-Menten Enzyme Kinetics
Solve the Michaelis-Menten initial-rate equation for v0, Vmax, Km, substrate concentration, or fraction of Vmax.
mmEQ.py1304 bytes · v1.0.0 · no imports Not calculator tested Downloaded 37 times -
Molarity
Find molarity by dividing moles of solute by liters of final solution: M = mol / L.
duckiedai_molarity.py2540 bytes · v1.0.0 · no imports Tested on a TI calculator Downloaded 43 times -
Nernst Equation
Calculate reaction or cell potential from E0, temperature, electron count, and reaction quotient using the general or 298 K Nernst form.
nerns.py944 bytes · v1.0.0 · uses math Not calculator tested Downloaded 36 times -
Quantum Wavelength and Hydrogenic Transitions
Calculate de Broglie wavelength or momentum, a nonrelativistic electron wavelength, and hydrogenic Rydberg wavelengths and transition information.
dWAVE.py2716 bytes · v1.0.0 · uses math Not calculator tested Downloaded 34 times -
Van der Waals Real-Gas Equation
Solve the van der Waals equation for pressure or temperature, compare with the ideal gas law, or rearrange for a or b.
vdW.py1624 bytes · v1.0.0 · no imports Not calculator tested Downloaded 32 times
Quick memory check: The TI Python App workspace is limited to 50 KB or 100 programs, and its bundled modules share that space. Check each source file size above and archive programs you are not using.
Independent compatibility resource: Hidden Word Scanner is independent and is not affiliated with or endorsed by Texas Instruments. TI product names describe compatibility only.
Library privacy: Source viewing, copying, searching, and filtering are not counted or stored as library activity. Downloads are ordinary same-origin file requests. No calculator details, source interactions, search terms, or user content are sent to an analytics provider.