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#7in Scientific Calculation

Scientific Calculator fx-991

S Tier
Best in class
93
4.77.5K ratings
22dsince update
FreeIn-App Purchases
Education
category
4+age rating
59languages
Made for iPhone
Made for iPad

What is Scientific Calculator fx-991?

Scientific calculator app with a step-by-step equation solver, graphing mode, formula library and unit converter.

Scientific Calculator fx-991 is an education app for calculating, graphing and looking up formulas in math, physics and chemistry. Its listed features include an equation solver that shows step-by-step solutions, support for functions such as integrals and derivatives, and a unit converter. The interface is described as inspired by the Casio fx-991.

Pricing. Scientific Calculator fx-991 is free to download, with in-app purchases on the App Store.

Good for

  • Checking algebra, calculus or trigonometry homework step by step
  • Graphing functions interactively while studying
  • Converting units and looking up formulas for physics or chemistry

Screenshots

1 / 7
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Why this app is in S tier

93/100The average of 4 parts, with no weights
Rating94
Ratings79
App Store search rank100
Update recency100

S tier follows from that score within this list. The full explanation, as data.

Scientific Calculator fx-991 scores 93 out of 100: rating 94, rating count 79, App Store search rank 100, update recency 100. The four parts are averaged and S tier follows from that score within this list.

Description

Scientific Calculator fx-991 - The Ultimate Math & Science Tool!
Struggling with math problems, equations, or integrals? Need a powerful scientific calculator to solve step-by-step?

With Scientific Calculator fx-991, you can calculate, graph, and find formulas instantly - making learning math, physics, and chemistry easier than ever!

Key Features

Read more
  • Step-by-step equation solver - Enter any equation and get a detailed step-by-step solution.
  • Advanced scientific functions - Solve fractions, algebra, derivatives, integrals, trigonometry, and more.
  • Graphing mode - Visualize mathematical functions interactively.
  • Extensive formula library - Access key formulas for math, physics, and chemistry in seconds.
  • Unit converter - Quickly convert between different measurement units.
  • Casio fx-991 inspired interface - A familiar and intuitive experience for students.

Perfect for high school and college students, engineers, and professionals in STEM fields!

Who is this app for?
High school students - Solve algebra, calculus, and physics problems efficiently.
College & university students - Master engineering, physics, and complex math subjects.
STEM professionals - Perform advanced calculations quickly and accurately.

Download Scientific Calculator fx-991 now and simplify your calculations!
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/.

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Questions about Scientific Calculator fx-991

Is the app free?

It is free to download.

Does it show steps for solving equations?

Yes. The step-by-step equation solver lets you enter an equation and get a detailed step-by-step solution.

Who is the app intended for?

The listing names high school students, college and university students, and STEM professionals as its intended users.

Is Scientific Calculator fx-991 right for me?

Scientific Calculator fx-991 is built for checking algebra, calculus or trigonometry homework step by step, graphing functions interactively while studying, converting units and looking up formulas for physics or chemistry. It sits in the scientific calculation list on AppTierList.

Is Scientific Calculator fx-991 worth it?

Scientific Calculator fx-991 is S tier, ranked #7 of 39 scientific calculation apps with a score of 93 out of 100, from a 4.7 App Store rating across 7,500 ratings. It is in the list's top tiers; 6 apps rank above it.

How does Scientific Calculator fx-991 compare to Panecal Scientific Calculator?

Scientific Calculator fx-991 is S tier at 93; Panecal Scientific Calculator is S tier at 94. Panecal Scientific Calculator ranks higher. Scientific Calculator fx-991 is free to download, with in-app purchases, Panecal Scientific Calculator is free, with no in-app purchases.

How often is Scientific Calculator fx-991 updated?

Scientific Calculator fx-991 was updated 22 days ago, which counts in its favour.

Alternatives

Categories

All the facts

Ranking

Lists
Scientific Calculation (S tier, #7) · Math Solving (C tier, #25)
Tier
S (Best in class)
Score
93 / 100
Rank in list
#7 of 39
Ranking certainty
settled

Ratings

App Store rating
4.7 out of 5, every App Store country
Ratings
7,500

App

Price
Free + IAP
App Store category
Education
Current version
(22 days ago)
Size
28 MB
Requires
iOS 15.0 or later
Age rating
4+
Languages
59
Runs on
iPhone, iPad

Links

Developer pages
Website · Support · Privacy policy
Maker
not verified

App Store data read · ranking