# TI-84 Calculator Online — ti84calculatorfree.com

> Free TI-84 Plus CE graphing calculator that runs in any web browser. No download, no login, no cost.

## What this site is

ti84calculatorfree.com is a free browser-based simulator of the Texas Instruments TI-84 Plus CE graphing calculator. It is used by high school and college students for SAT, ACT, AP Calculus, AP Statistics, AP Physics, IB Mathematics, and general STEM coursework. The key sequences, button layout, menus, and graphing output mirror the physical TI-84 Plus CE from Texas Instruments exactly.

## Key features

- Graph up to 10 functions simultaneously in rectangular, parametric, polar, and sequence modes
- TRACE, ZOOM, and 2nd CALC tools to find zeros, minimums, maximums, and intersections
- One- and two-variable statistics: mean, median, standard deviation (sample and population), five-number summary
- 12 regression models: LinReg, QuadReg, CubicReg, QuartReg, ExpReg, LnReg, PwrReg, SinReg, Logistic and more
- Hypothesis tests: Z-Test, T-Test, 2-SampZTest, 2-SampTTest, 1-PropZTest, 2-PropZTest, Chi-squared Test, LinRegTTest
- Confidence intervals: ZInterval, TInterval, 2-SampZInt, 2-SampTInt, 1-PropZInt, 2-PropZInt
- Matrix operations: addition, subtraction, multiplication, inverse, determinant, transpose, reduced row echelon form (rref)
- 15 probability distributions: normalpdf, normalcdf, invNorm, binompdf, binomcdf, tpdf, tcdf, Fpdf, Fcdf, poissonpdf, poissoncdf
- Complex number arithmetic with polar/rectangular conversion
- TI-BASIC programming environment
- Table of values (2nd TABLE) for evaluating functions at specified x-values
- Works offline after first load on modern browsers

## Who uses it

- High school students in Algebra I & II, Geometry, Precalculus, AP Calculus AB/BC, AP Statistics, AP Physics
- College students in introductory calculus, linear algebra, engineering statistics
- SAT, ACT, and AP exam tutors building student muscle memory with the TI-84 keypad
- Math teachers projecting a calculator for classroom instruction

## Exam policy

The physical TI-84 Plus CE is approved for: SAT (Module 2, Math), ACT Math, AP Calculus AB, AP Calculus BC, AP Statistics, AP Physics 1/2/C, PSAT/NMSQT, IB Mathematics Paper 2. The TI-84 Plus CE has no CAS (Computer Algebra System). The GRE does not allow personal calculators. This online simulator is for practice only — physical device required on official exam day.

## Key pages

- Homepage / free calculator: https://ti84calculatorfree.com/
- TI-84 graphing guide: https://ti84calculatorfree.com/graphing.html
- Full features reference: https://ti84calculatorfree.com/features.html
- How to use the TI 84: https://ti84calculatorfree.com/how-to-use.html
- Exam preparation guide: https://ti84calculatorfree.com/exam-guide.html
- Free TI-30XS calculator: https://ti84calculatorfree.com/ti30.html
- About: https://ti84calculatorfree.com/about.html

## Legal

Texas Instruments, TI-84, and TI-84 Plus CE are registered trademarks of Texas Instruments Inc. ti84calculatorfree.com is an independent educational tool not affiliated with or endorsed by Texas Instruments. Free for educational use.