Scientific calculator plus 991
Tools for student
starstarstarstar
4.8
About This App

  • Category

    Productivity

  • Installs

    10M+

  • Content Rating

    Rated for 3+

  • Developer Email

    [email protected]

Screenshots
Editor Reviews

📲 Embark on a mathematical journey with the Scientific Calculator Plus 991, an essential app created by Tools for Student to address the complex needs of engineering and science students. 🎓 With its robust feature set and user-centric design, this calculator stands out in a sea of similar apps, boasting functionalities that mimic the popular Casio 991ES Plus calculator. 🧮 Whether you're tackling trigonometry, calculus, or engineering equations, this app rises to the challenge with ease. 📐 Users rave about its intuitive interface and the smooth transition from traditional handheld calculators, making it a go-to choice for math aficionados. 🔢 From high school homework to university-level problems, Scientific Calculator Plus 991 delivers precision and speed. 🏫 Its development mirrors the evolution of classroom learning, integrating tools that push the boundaries of virtual calculation. 🚀 Its seamless usage experience garners positive feedback, with students and professionals alike praising its reliability and efficiency. Among competitors, it shines due to its comprehensive functions and portability, negating the need for bulky physical calculators. 🎒 If you are seeking a versatile and reliable companion for your mathematical endeavors, look no further! Download Scientific Calculator Plus 991 now and experience the pinnacle of computational power right at your fingertips! ✨📥

Features

  • 🔍 Customizable Skins - Enjoy a personalized touch to your calculations with various themes.
  • 🧮 Multi-functional Operation - Experience the full spectrum of scientific calculator functions, including equations, matrices, and more.
  • 📊 Graphing Capabilities - Visualize functions and equations with detailed graphing options.
  • 🖩 Natural Textbook Display - View calculations as they appear in textbooks, enhancing comprehension.
  • 🚀 Quick Equation Solver - Save time with a feature that swiftly solves complex equations.

Pros

  • 👆 User-Friendly Interface - Navigate the app with ease, thanks to its intuitive design.
  • 📚 Comprehensive Function Library - Access a vast array of mathematical functions to tackle any problem.
  • 📈 Reliable Results - Trust in accurate calculations for all types of mathematical problems.
  • 🔋 Energy Efficient - Use the app for extended periods without draining your device's battery.
  • 🔊 Haptic Feedback - Get a responsive experience with tactile confirmation during input.

Cons

  • 📱 Device Dependent - Performance may vary across different devices.
  • 🤓 Learning Curve - Newcomers to advanced calculators may require time to adapt.
  • 📶 Internet Dependency - Some features might need an internet connection to function optimally.

Ratings

4.8

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399094+ Votes
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Frequently Asked Questions
  • 01
    How do I install this app after downloading it?

    If you’re an Android user and don’t download the app from the official Google Play Store,you may find the installation process more complicated than usual.

    But we are delighted to inform you that you don’t need to worry. To ensure you could install this app smoothly,we have written and uploaded a detailed tutorial. It would guide you on installing an app after downloading it from our website step by step,with the help of pictures.

    You may find this helpful article on the downloading site,or visit How to install APK/XAPK files on Android.

    If you need further help,please do not hesitate to contact us via email [email protected].

  • 02
    Is this app safe to use?

    We fully understand your concern about safety. We agree that one person wouldn’t be too careful in the cyber world. Meanwhile,we are happy to tell you that one of our priorities is to provide our users with safe app files that they can use without any worries.

    We guarantee that all the app files we provided originate from official and reliable sources. We promise that they do not contain any malware that will harm your hardware or the safety of your privacy.

  • 03
    Is this app free to download?

    We are happy to inform you that the answer is an absolute YES! All the apps on our website are 100% free to download. Besides,you do not have to create an account. Just click on the download button,and it's done.

  • 04
    How do I find my account back?

    Recently we received a lot of emails from our users,which said they couldn't log in for different reasons,such as 'forgot the user name or password' or 'had a new phone.' We are willing to help you out. Please read the notes below to see what we can do.

    To answer this question,please first let us know which account you’re referring to.

    If you're referring to your account of some app,like your Facebook account or your Youtube account. Unfortunately,we would not be able to help in this case. We would suggest you turn to the customer service of this application.

  • 05
    How do I cancel subscriptions?

    This question is essentially quite similar to the prior one. It’s a pity that we are unable to help you to cancel the subscription to a third-party application directly,while we would suggest you to contact its customer service for further information.

  • 06
    How do I get a refund?

    Sorry that we are unable to help you to get a refund from a third-party application directly. If you wish to get a refund from a third-party app,we would suggest you to contact its customer service. We would be happy to provide you the way to contact them.

    If you want a refund from us,we should apologize for your confusion. Our service is 100% free,and any payment information is not required.

    If you run into any site that asks you to provide your payment information,be careful. Remember never reveal your payment information to any unauthorized third parties,no matter how attempting their offer may seem.

  • 07
    How to use this app?

    Sorry that we cannot answer this question directly,for this only aims to answer some general questions. You may find how to use a certain app by checking our review page.

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