TI-84 & TI-30XS Guides
psa for anyone whose TI-84 is being weird before exams:
there's a whole free error fix library now
โ graph not showing up? https://www.calc84.online/error-fixes/ โ stuck on "Validating OS"? covered โ getting decimals when you want fractions? covered โ TI Connect CE not recognizing your calc? covered
also AP stats / IB math step-by-step guides (normalcdf, invNorm, LinReg, hypothesis testing): https://www.calc84.online/guides/
all free, no login, no ads













