Comparison

Permutation and Combination vs Taculator 84 Graphing Calc

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

Head to head
About

Permutation and Combination

Easily calculate permutations and combinations with this educational tool. It provides a straightforward way to solve mathematical problems related to arrangements and selections.

Highlights
  • Calculate permutations
  • Calculate combinations
  • Easy to use interface
  • Educational tool
Features
Read full description

This application can calculate permutation and combination easily.

About

Taculator 84 Graphing Calc

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.

Highlights
  • Scientific and advanced math functions
  • High-resolution graphing and plotting
  • Matrix operations and storage
  • List, statistics, and distribution calculations
  • Integrated command catalog and help
  • Complex number support
  • Share calculations via text or email
Features
Read full description

TACULATOR 84 GRAPHING CALCULATOR • Your graphing calculator for high school and college students. • All the commands you know: advanced math, lists, statistics, distributions, stat plots and more. • Covers everything you need: Pre-Algebra, Algebra 1 & 2, Pre-Calculus, Calculus, Statistics... IT'S EVEN BETTER THAN AN ACTUAL CALCULATOR • 100X faster than a handheld, using the full calculation power of your iPhone/iPad. • High-resolution graphing window for sharp and beautiful graphs. • Icon home screen, redesigned menus, optional status line. • Share calculations by text or email. ◉ Math Functions • Scientific calculator with every basic and advanced function. • Scrollable history; copy any previous calculation. • Complex numbers support • Probability: nPr, nCr, factorial, random numbers. • Enter fractions easily; tap any result to flip fraction and decimal. • Piecewise functions, sequences, list commands like seq(, ΔList(, augment(. • Degree, radian and gradian angle modes, DMS format. • Error messages point at the exact spot in your input. ◉ Graphing Functions • Four graphing modes: Function, Parametric, Polar and Sequence (u, v, w with TIME and WEB plots); trace, tables, CALC and zoom work in every mode. • Smart trace snaps to zeros, maxima, minima, intersections and asymptotes. • Calculate intersection, zero, minimum, maximum, integral, and derivative. • Full ZOOM menu: ZBox, ZSquare, ZTrig, ZoomFit, zoom factors and zoom memory. • Draw on your graph: text, pen, points, tangents, circles and shading in color. • Store and recall pictures, or put a photo behind your graph. • Graph statistical plots like histogram, box plot, scatter plot, xy-line plot. • Full-screen mode, pinch to zoom, full window and format settings. ◉ List, Statistics, and Distribution • Stat list editor with 1- and 2-Variable statistics. • Guided input wizards for every test, interval and distribution. • List math: 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, PropReg, RecipReg, eBASEReg — with r and r² diagnostics. • Manual-Fit a line by eye, or QuickPlot points and fit a model right on the graph. • Statistical tests: Z-Test, T-Test, 2-Sample Z- and T-Tests, 1- and 2-PropZTest, plus Z-, T- and proportion intervals. • Distributions: Normal, T, χ2, F, Poisson, Binomial, Geometric (each pdf and cdf), invT — and shade them right on the graph. ◉ Command Catalog & Syntax Help • Integrated Catalog & Help: syntax, examples and error messages for every command. • Type a command and see the right syntax next to the cursor. ◉ Built-in Apps • Geometry: points, lines, circles and polygons — measure, transform, animate. • Polynomial Root Finder & Simultaneous Equation Solver. • Finance: Time-Value-of-Money solver, NPV, IRR, amortization. • Probability Simulation: toss coins, roll dice, spin spinners, draw cards. • Science Tools: sig-fig calculator, unit converter, data/graphs wizard, vector calculator. • Conics & Lines: equation templates for lines (even X=C), circles, parabolas, ellipses and hyperbolas, with SOLVE for center, foci, vertices, directrix. • Transformation Graphing, Inequality Graphing, Periodic Table. • Numeric Solver: solve any equation for any variable. ◉ Matrix Calculator • Store matrices and reuse them as [A], [B], [C], ... • Matrix arithmetic: addition, multiplication, scalar products, powers. • Transpose, determinant, inverse, dimension, ref/rref, identity matrix, cumulative sum. SUPPORT Contact us at contact@taculator.com --- Taculator Pro Membership • Unlock advanced calculations and functions with a monthly, yearly, or lifetime subscription. • Subscriptions auto-renew unless canceled at least 24 hours before the end of the current period. • Manage subscriptions in Account Settings. Terms of Service: https://taculator.com/terms/ Privacy Policy: https://taculator.com/privacy/

Screenshots

Permutation and Combination1 screens
Taculator 84 Graphing Calc4 screens

Verdict

The call

The clearest difference is rating: Taculator 84 Graphing Calc at 4.5 against Permutation and Combination's 3.7. Taculator 84 Graphing Calc also leads on update cadence (every 3 weeks vs every 40 months) and ratings volume (7.7K vs 15). Permutation and Combination's advantage is in-app purchases (none vs 12) and iOS requirement (12.1 vs 15.0). On price, review sentiment, ads and device support 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

Both are free to download. Taculator 84 Graphing Calc sells 7 in-app purchases, starting at $3.99 per month. Permutation and Combination asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Taculator 84 Graphing Calc holds the better App Store score, 4.5 against 3.7. That said, the two scores are not equally well evidenced: Taculator 84 Graphing Calc has 7.7K ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 44% of Permutation and Combination's written reviews are positive against 46% of Taculator 84 Graphing Calc's.

UpkeepUpdate frequency

Permutation and Combination ships an update every 40 months, Taculator 84 Graphing Calc every 3 weeks. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

Scorecard6 real differences · 4 level
Permutation and Combination versus Taculator 84 Graphing Calc: the parameters behind the verdict, then further details
ParameterPermutation and CombinationTaculator 84 Graphing Calc
PriceFreeFree
Rating3.7 (15 ratings)4.5 (7.7K ratings) — better
Positive reviews44.4% of reviews45.5% of reviews — better
Number of ratings157.7K — better
Update frequencyEvery 40 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod, Mac — better
Requires iOS12.1 — better15.0
Further details — not scored
Size23 MB57 MB
Age rating4+4+
DeveloperKeiji MatsuiDi Venisco UG (haftungsbeschrankt)

Customer experience

Permutation and Combination

All ratings13 ratings
Positive61.5%
Neutral23.1%
Negative15.4%
Written reviews9 reviews
Positive44.4%
Neutral33.3%
Negative22.2%

Taculator 84 Graphing Calc

All ratings7,628 ratings
Positive87.8%
Neutral3.7%
Negative8.5%
Written reviews178 reviews
Positive45.5%
Neutral13.5%
Negative41.0%

Bugs and requests

Permutation and Combination

Not enough reviews yet to summarise bugs or requests.

Taculator 84 Graphing Calc

Reported bugs

4 issues
  • Cannot handle negative powers
  • Keyboard issues on certain devices
  • Errors when trying to clear lists
  • Scaling and UI issues on some devices

Requested features

4 requests
  • Add apps and programming features
  • Improve graphing capabilities
  • Add support for degrees, minutes, and seconds
  • Implement symbolic calculus and equation solving

In-app purchases

None

Permutation and Combination

No in-app purchases

7 purchases

Taculator 84 Graphing Calc

Subscriptions6
  • Taculator Pro - Monthly7 Days trial4 variants$3.991 Month
  • Taculator Pro - Monthly2 variants$3.991 Month
  • Taculator Pro - Yearly7 Days trial2 variants$14.991 Year
Show 3 more
  • Taculator Pro - Yearly$14.991 Year
  • Taculator Pro - Yearly7 Days trial$29.991 Year
  • Taculator Pro7 Days trial$29.991 Year
One-time1
  • Taculator Pro - Lifetime$7.99

Questions

Is Permutation and Combination free?
Permutation and Combination is free to download, with no in-app purchases.
Is Taculator 84 Graphing Calc free?
Taculator 84 Graphing Calc is free to download, with in-app purchases available.
Which has better reviews, Permutation and Combination or Taculator 84 Graphing Calc?
Taculator 84 Graphing Calc is rated higher. Permutation and Combination averages 3.7 out of 5 from 15 ratings, while Taculator 84 Graphing Calc averages 4.5 from 7.7K ratings.
Do Permutation and Combination or Taculator 84 Graphing Calc have ads?
Neither Permutation and Combination nor Taculator 84 Graphing Calc shows ads.
Which is updated more often, Permutation and Combination or Taculator 84 Graphing Calc?
Permutation and Combination ships an update every 40 months, and Taculator 84 Graphing Calc every 3 weeks. Most recently, Permutation and Combination was updated on October 24, 2026 and Taculator 84 Graphing Calc on October 26, 2026.

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