Comparison

Progwhiz Matrices Solver vs Graphing Calculator 84

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Progwhiz Matrices Solver

This educational math tool helps students and teachers solve matrix-related problems. It offers concise explanations and efficient calculations for matrix multiplication, determinants, inverse matrices, and solving equations with multiple variables. The app also includes a feature to check valid matrix pairs for multiplication.

Highlights
  • Matrix multiplication (2x1 to 4x4)
  • Determinant calculations
  • Inverse matrices
  • Solving 2, 3, & 4 variable equations
  • Matrix pair validation for multiplication
  • Concise explanations
Features
Read full description

Progwhiz Matrices Solver is a Mathematics educational guide and calculator to illustrate and solve Matrix related problems to aid Students and Teachers alike. The tool is very easy to use and very efficient and concise explanations to ensure you become a master at solving Equations and Matrices. 1) Multiplication of matrices 2x1, 2x2, 2x3,...4x4 2) Determinant calculations 3) Inverse Matrices 4) Solving of 2, 3 & 4 variable Equations The tool even proof checks what is valid pairs of matrices with respect to multiplications . *After entering a value you must press 'ENTER" to continue entering a new value*

About

Graphing Calculator 84

This app offers a comprehensive graphing and scientific calculator experience, mimicking the functionality of a Ti-84. It includes advanced features for graphing, symbolic calculations, equation solving, and extensive statistical analysis. Users can upgrade for full access to all capabilities.

Highlights
  • Graphing calculator with function, polar, and parametric plots
  • Scientific calculator with computer algebra system
  • Equation solver for various equation types
  • Extensive 1-variable and 2-variable statistics
  • Inferential statistics and distribution functions
  • Interactive and manual tracing modes
Features
Read full description

The graphing calculator provides a UI similar to a real 84 graphing calculator. ◉ Graphing Calculator - Supports function, polar, and parametric graphs. - Press MODE and select Graph mode, then press Y= to open the graph editor. Press GRAPH to draw the functions. - Interactive and manual tracing modes. - Shows intersections, roots, and extrema (local maxima and minima) of function graphs. - Shows derivatives of function graphs. - Shows tangents to function and polar graphs. - Best‑fit line for a set of points. - TABLE generates a table of values for the selected graph. - CALC computes min, max, d/dx, and integrals of the selected graph. ◉ Scientific Calculator - Includes a computer algebra system for symbolic calculation. - Supports the functions you use on 83 and 84 graphing calculators. - All basic and advanced math functions: complex numbers, probability, angles, relational operations, logic operations, and matrix and vector operations. - Users can define custom calculator functions. ◉ Equation Solver (press ALPHA ENTER to open the SOLVER menu) - Solves any equation with Auto Solver mode and can provide symbolic roots. - Solves quadratic, cubic, quartic, and quintic equations. - Solves systems of equations with up to 5 variables. ◉ Statistics - 1‑Var Stats: calculates 1‑variable statistics. - 2‑Var Stats: calculates 2‑variable statistics. - LinReg(ax+b): fits a linear model to data. - QuadReg: fits a quadratic model to data. - CubicReg: fits a cubic model to data. - QuartReg: fits a quartic model to data. - LinReg(a+bx): fits a linear model to data. - LnReg: fits a logarithmic model to data. - ExpReg: fits an exponential model to data. ◉ Inferential Statistics and Distributions - Z‑Test, T‑Test, 2‑SampZTest, 2‑SampTTest, 1‑PropZTest, 2‑PropZTest, Z‑Interval, T‑Interval, 2‑SampZInt, 2‑SampTInt, 1‑PropZInt, 2‑PropZInt, Chi‑square Test, Chi‑square GOF Test, 2‑SampFTest, LinRegTTest, LinRegTInt, ANOVA. - All distribution functions, including Normal, Student’s t, Chi‑square, F, binomial, and more. ◉ Get Calculator 84 Premium Upgrade to the Premium version to access all the features above, including advanced math functions, statistics, inferential statistics and distributions, scanning math with your camera, and more. Choose from 3 options: - A 1‑month subscription - A 1‑year subscription - A lifetime purchase Subscription payments will be charged to your Apple Account at confirmation of purchase and at the start of each renewal term. You can cancel at any time through your Apple Account settings. You must do this at least 24 hours before the end of the current period to avoid being charged. Cancellation takes effect the day after the current period ends, and you will be downgraded to the free service. TI-84 is a registered trademark of Texas Instruments Incorporated. Calc84 is not affiliated with Texas Instruments. Terms of Service: https://calc84-efd3d.firebaseapp.com/tos.html Privacy Policy: https://calc84-efd3d.firebaseapp.com/privacypolicy.html

Screenshots

Progwhiz Matrices Solver4 screens
Graphing Calculator 844 screens

Verdict

The call

The clearest difference is review sentiment: Graphing Calculator 84 at 84% against Progwhiz Matrices Solver's 0%. Graphing Calculator 84 also leads on price (Free vs $3.99) and rating (4.6 vs 1.0). Progwhiz Matrices Solver's advantage is in-app purchases (none vs 4) and ads (none vs shown). On iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Graphing Calculator 84 is free to download; Progwhiz Matrices Solver costs $3.99 up front. Graphing Calculator 84 sells 4 in-app purchases, starting at $1.99 per month. Progwhiz Matrices Solver asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Graphing Calculator 84 holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Graphing Calculator 84 has 5.1K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Progwhiz Matrices Solver's written reviews are positive against 84% of Graphing Calculator 84's.

UpkeepUpdate frequency

Progwhiz Matrices Solver ships an update every 17 months, Graphing Calculator 84 every 2 months. Both last shipped on October 29, 2026.

Scorecard9 real differences · 1 level
Progwhiz Matrices Solver versus Graphing Calculator 84: the parameters behind the verdict, then further details
ParameterProgwhiz Matrices SolverGraphing Calculator 84
Price$3.99Free — better
Rating1.0 (1 ratings)4.6 (5.1K ratings) — better
Positive reviews0.0% of reviews83.7% of reviews — better
Number of ratings15.1K — better
Update frequencyEvery 17 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFreemium — better
DevicesiPhone, iPadiPhone, iPad, iPod, Mac — better
Requires iOS16.015 — better
Further details — not scored
Size3 MB163 MB
Age rating4+12+
DeveloperMark RaymondTran Duy

Customer experience

Progwhiz Matrices Solver

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Graphing Calculator 84

All ratings5,065 ratings
Positive90.0%
Neutral3.4%
Negative6.6%
Written reviews196 reviews
Positive83.7%
Neutral5.1%
Negative11.2%

Bugs and requests

Progwhiz Matrices Solver

Not enough reviews yet to summarise bugs or requests.

Graphing Calculator 84

Reported bugs

2 issues
  • Incorrect results for some exponent/root operations with negative numbers
  • Inability to view full range of result formats for certain calculations

Requested features

4 requests
  • Ability to edit expressions in history
  • More customization options for themes/icons
  • Improved handling of complex number operations
  • Better support for finding all function zeros

In-app purchases

None

Progwhiz Matrices Solver

No in-app purchases

4 purchases

Graphing Calculator 84

Subscriptions2
  • Calc84 One Month$1.991 Month
  • Calc84 One Year$2.991 Year
One-time2
  • Graphing Calculator Plus$5.99
  • Calc84 Pro Lifetime$5.99

Questions

Is Progwhiz Matrices Solver free?
Progwhiz Matrices Solver costs $3.99, with no in-app purchases.
Is Graphing Calculator 84 free?
Graphing Calculator 84 is free to download, with in-app purchases available.
Which has better reviews, Progwhiz Matrices Solver or Graphing Calculator 84?
Graphing Calculator 84 is rated higher. Progwhiz Matrices Solver averages 1.0 out of 5 from 1 ratings, while Graphing Calculator 84 averages 4.6 from 5.1K ratings.
Do Progwhiz Matrices Solver or Graphing Calculator 84 have ads?
Graphing Calculator 84 shows ads; Progwhiz Matrices Solver does not.
Which is updated more often, Progwhiz Matrices Solver or Graphing Calculator 84?
Progwhiz Matrices Solver ships an update every 17 months, and Graphing Calculator 84 every 2 months. Most recently, Progwhiz Matrices Solver was updated on October 29, 2026 and Graphing Calculator 84 on October 29, 2026.

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