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TACULATOR 84 — GRAPHING CALCULATOR
Designed for use with TI-84 TI84 Plus and TI-83.

🎓 Your graphing calculator 84 for high school and college students.
✨ Includes all the commands and functions for advanced math lists statistics distributions stat plots and more.
👆 Use the arrow keys or your fingers to navigate — same layout you already know.
📚 Covers everything you need: Pre-Algebra Algebra 1 & 2 Pre-Calculus Calculus Statistics SAT & ACT prep.

🚀 BETTER THAN A HANDHELD
• Taculator 84 is 100X faster than a physical graphing calculator because it uses the full calculation power of your phone while handheld calculators like the TI 84 or Casio are often slow.
• High-resolution graphing window: make sharper more beautiful graphs.
• Your new 84 calculator weighs nothing and is always in your pocket.
• Share your calculations with friends as a text message or email.
• No more dead batteries no more replacing a lost TI84.

🧮 Math Functions
• Scientific calculator with all basic arithmetic and advanced functions.
• Ability to scroll through history and copy previous calculations.
• Complex numbers support.
• Probability functions: nPr nCr factorial random numbers.
• Enter fractions easily.
• Convert angles and use DMS format.

📈 Graphing Functions
• Graph every function you want and trace for X- and Y-values.
• Calculate intersection zero minimum maximum integral and derivative.
• Switch between full-screen graphs and normal mode.
• Zoom in and out with your fingers and adjust the window settings.
• Graph statistical plots like histogram box plot scatter plot xy-line plot.
• Draw vertical horizontal tangent and circle.

🔢 Matrix Calculator
• Store matrices and reuse them using shortcuts like [A] [B] [C]...
• Matrix arithmetic: scalar multiplication addition & subtraction multiplication power of a matrix.
• Calculate transpose determinant dimension inverse matrix row echelon form reduced row echelon form identity matrix cumulated sum.

📊 List Statistics and Distribution
• Use the stat list editor to enter your list values.
• Perform 1- and 2-Variable statistics.
• Use lists to calculate84 min max mean median sum product standard deviation variance.
• Find best-fit regressions: LinReg (ax+b) LinReg (a+bx) QuadReg CubicReg QuartReg LnReg ExpReg PwrReg Logistic SinReg.
• Perform statistical tests: Z-Test T-Test 2-SampleZTest 2-SampleTTest Ti84 1-PropZTest 2-PropZTest ZInterval TInterval 2-SampleZInterval 2-SampleTInterval 1PropZInterval.
• Calculate various distributions: Normalpdf/cdf invT Tpdf/cdf χ²pdf/cdf Fpdf/cdf Poissonpdf/cdf Binompdf/cdf Geometpdf/cdf.

💡 Command Catalog & Syntax Help
• Built-in Catalog & Help section with all the commands you need.
• It provides you with syntax help examples and possible error messages.
• Enter a command and the app will show you the right syntax next to the cursor.

🎯 PERFECT FOR
• Students who want a graphing calculator to use alongside TI 84 on their phone.
• Anyone preparing for SAT ACT AP Calculus or AP Statistics.
• Users coming from a TI84 Plus TI 83 Plus or TI-84 Plus CE.
• Engineers teachers and math enthusiasts.

SUPPORT
Contact us at [email protected]

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