Khoai
Như ….. quá khó để sử dụng
Good service
Dosp
Best app
I get the best app I have ever seen in my experience
Hard to cancel
They make canceling very hard and I’ve still been charged for years now
Not ok
Not ok

This advanced calculator app offers comprehensive tools for high school and college students, covering everything from pre-algebra to calculus and statistics. It features high-resolution graphing, matrix operations, and detailed statistical analysis, all accessible through an intuitive interface.
Summarized from real user reviews of Taculator 84 Graphing Calc. Based on 7.5K reviews and a 4.5/5 average, it highlights the 4 positives and 4 negatives reviewers mention most about this Education app.
1.6.0
August 5, 2026
THE APPS KEY IS NOW LIVE Press [apps] for a whole suite of new built-in apps — free for everyone for a limited time: • Geometry — draw points, lines, circles and polygons, measure lengths, angles and areas, explore transformations, animations and loci • Polynomial Root Finder & Simultaneous Equation Solver • Finance — Time-Value-of-Money solver, NPV, IRR, amortization • Probability Simulation — toss coins, roll dice, pick marbles, spin spinners, draw cards • Science Tools — sig-fig calculator, unit converter, data/graphs wizard, vector calculator • Transformation Graphing — animate function families with coefficient sliders • Conics — circles, ellipses, parabolas, hyperbolas • Inequality Graphing — shade solution regions, including vertical X= inequalities • Periodic Table — every element with detailed properties NUMERIC SOLVER • Solve any equation for any variable — now in the MATH menu and on the solve key MORE IMPROVEMENTS • Fresh new app icon • Arrow keys auto-repeat while held down • Better layout on iPad in landscape — the display stays visible • Shared graph images now match your Light/Dark mode • Saving an image now only asks for add-to-photos permission — the app never gets access to your photo library • Median and quartiles with frequency lists, logBASE with list arguments, and many more fixes Previous versions: • Dark Mode for the calculator display — history, math editor, and every submenu adapt • Redesigned Catalog and Tutorial in modern iOS style • Big theme selection (Classic, Graphite, Silver, Gold, Rose, Mint …) with a fine-tuning color picker
MoreGet full access to all pro functions.
4 issues
Cannot handle negative powers
Keyboard issues on certain devices
4 requests
Add apps and programming features
Improve graphing capabilities
This app supports a wide range of mathematics, including Pre-Algebra, Algebra 1 & 2, Pre-Calculus, Calculus, and Statistics. It includes scientific calculator functions, advanced math commands, and specialized tools for statistical analysis and distribution calculations.
The app offers high-resolution graphing for any function, allowing users to trace for X- and Y-values. It can calculate intersections, zeros, minimums, maximums, integrals, and derivatives. Users can also graph statistical plots like histograms and scatter plots, and draw various shapes.
The matrix calculator allows you to store matrices and reuse them with shortcuts. You can perform various matrix operations such as scalar multiplication, addition, subtraction, multiplication, and calculate the transpose, determinant, dimension, inverse, and row echelon forms.
The app is free to download and use with its core features. For extended functionalities and more advanced calculations, users can opt for a Taculator Pro membership, which is an auto-renewable subscription.
The app is designed to run on iPhones and iPads, leveraging their processing power for faster calculations compared to traditional handheld calculators. It offers a high-resolution graphing window for clear visualizations.