GraphNCalc84: Graph Calculator APP
GraphNCalc84 is a graphing calculator for Android phones, tablets and Chromebooks, intended for use with TI-84 Plus CE and TI-84 Evo. Graph functions, build tables, run statistics and write programs with the keys and menus students use in class.
Free to download. Arithmetic, graphing, tables and the core menus are free to use. A single in-app purchase, GraphNCalc84 Lifetime, unlocks every Pro command for good. One-time payment, no subscription, no ads.
A CLEAN, CALM DESIGN
• Light and dark mode with a matching display and keypad.
• Pick your own label colors for 2nd and alpha from nine shades.
• Five keys per row, a round arrow pad and an icon strip for distributions, the list editor, catalog, help and sharing.
• Undo and redo right next to the keypad.
• Mode flags always visible at the top, with a 2ND or ALPHA chip while a modifier is on.
• Physical keyboard support on Chromebooks and tablets.
MATH AND ENTRY
• Textbook style input for fractions, roots, exponents and templates.
• Exact fraction answers, complex numbers, degree and radian modes.
• Scrollable history: tap an entry to reuse it.
• Store and recall variables, lists and matrices.
GRAPHS AND TABLES
• Function, parametric, polar and sequence graphs (u, v, w).
• Trace, zoom with your fingers, set the window by hand.
• CALC menu: zero, minimum, maximum, intersection, dy/dx and the integral with shading.
• Draw tangents, lines, circles, points and text on the graph.
• Tables next to the graph, with your own start value and step.
LISTS AND STATISTICS
• List editor with one and two variable statistics.
• Regressions: linear, quadratic, cubic, quartic, logarithmic, exponential, power, logistic and sine.
• Hypothesis tests and confidence intervals: Z, T, proportions, χ² and ANOVA.
• Distributions such as normal, t, χ², binomial and Poisson, with shaded plots.
• Scatter plots, histograms and box plots.
MATRICES, FINANCE AND BUILT-IN APPS
• Matrix arithmetic, determinant, inverse, transpose, ref and rref.
• Finance app with a time value of money solver, NPV, IRR and amortization.
• Polynomial root finder, system of equations solver, numeric solver, conics, transformation and inequality graphing.
PROGRAMS AND CATALOG
• Write, edit and run your own programs in the PRGM editor.
• Searchable catalog with syntax help and examples for every command.
• Share results and graphs by message or email.
WHAT LIFETIME UNLOCKS
Every Pro command in the menus, dy/dx and integrals, Σ sums, the full statistics and regression set, matrices and the Finance app. Buy it once and it stays unlocked on your Google account.
MADE FOR
• High school and college math: algebra, precalculus, calculus and statistics.
• SAT, ACT and AP exam practice at home.
• Students coming from a TI 84 or a TI84 Plus in class, and their teachers.
Questions or ideas? Write to contact@taculator.com
TI-84, TI-84 Plus CE and TI-84 Evo are trademarks of Texas Instruments. GraphNCalc84 is an independent app, not affiliated with or endorsed by Texas Instruments.
Read more
Free to download. Arithmetic, graphing, tables and the core menus are free to use. A single in-app purchase, GraphNCalc84 Lifetime, unlocks every Pro command for good. One-time payment, no subscription, no ads.
A CLEAN, CALM DESIGN
• Light and dark mode with a matching display and keypad.
• Pick your own label colors for 2nd and alpha from nine shades.
• Five keys per row, a round arrow pad and an icon strip for distributions, the list editor, catalog, help and sharing.
• Undo and redo right next to the keypad.
• Mode flags always visible at the top, with a 2ND or ALPHA chip while a modifier is on.
• Physical keyboard support on Chromebooks and tablets.
MATH AND ENTRY
• Textbook style input for fractions, roots, exponents and templates.
• Exact fraction answers, complex numbers, degree and radian modes.
• Scrollable history: tap an entry to reuse it.
• Store and recall variables, lists and matrices.
GRAPHS AND TABLES
• Function, parametric, polar and sequence graphs (u, v, w).
• Trace, zoom with your fingers, set the window by hand.
• CALC menu: zero, minimum, maximum, intersection, dy/dx and the integral with shading.
• Draw tangents, lines, circles, points and text on the graph.
• Tables next to the graph, with your own start value and step.
LISTS AND STATISTICS
• List editor with one and two variable statistics.
• Regressions: linear, quadratic, cubic, quartic, logarithmic, exponential, power, logistic and sine.
• Hypothesis tests and confidence intervals: Z, T, proportions, χ² and ANOVA.
• Distributions such as normal, t, χ², binomial and Poisson, with shaded plots.
• Scatter plots, histograms and box plots.
MATRICES, FINANCE AND BUILT-IN APPS
• Matrix arithmetic, determinant, inverse, transpose, ref and rref.
• Finance app with a time value of money solver, NPV, IRR and amortization.
• Polynomial root finder, system of equations solver, numeric solver, conics, transformation and inequality graphing.
PROGRAMS AND CATALOG
• Write, edit and run your own programs in the PRGM editor.
• Searchable catalog with syntax help and examples for every command.
• Share results and graphs by message or email.
WHAT LIFETIME UNLOCKS
Every Pro command in the menus, dy/dx and integrals, Σ sums, the full statistics and regression set, matrices and the Finance app. Buy it once and it stays unlocked on your Google account.
MADE FOR
• High school and college math: algebra, precalculus, calculus and statistics.
• SAT, ACT and AP exam practice at home.
• Students coming from a TI 84 or a TI84 Plus in class, and their teachers.
Questions or ideas? Write to contact@taculator.com
TI-84, TI-84 Plus CE and TI-84 Evo are trademarks of Texas Instruments. GraphNCalc84 is an independent app, not affiliated with or endorsed by Texas Instruments.
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