A comprehensively featured calculator that has become a favorite among adults and high school students around the world. Designed for a wide range of users, this calculator has large colorful buttons, optional high contrast, full VoiceOver support, and unique to this calculator; the option to use speech for answers, buttons names and formulas!
** Regularly featured on "What's Hot" - Utilities
Video demo available from the support link.
- Can read answers, entered numbers and formulas aloud.
1,234.56 is spoken as "One thousand, two hundred thirty four point five six" when US pronunciation style selected. UK and German styles also available.
2 + 3 x 5^2 is spoken as "two plus three multiply five squared."
- Built in recording studio and script. Requires only 5 minutes to record a new voice. Recordings can be transferred between devices using Bluetooth.
- Two entry modes, Standard and Formula. Standard mode emulates traditional calculators. Formula mode takes care of the order of operations for you. You enter a mathematical expression, complete with operators and parentheses (brackets), tap the = button, and the expression is evaluated.
- The entire app's feature set is accessible to VoiceOver users (using standard or touch typing input styles) and Switch Control users.
- Unique to this app is an Enhanced VoiceOver Speech mode that pronounces large numbers and formula with natural language rather than one digit at a time.
- Supports entry and display of Braille on supported devices (thanks to assistance from the Washington State School for the Blind.)
- Numeric formatting of results: Max fraction digits (default), fixed fraction digits (useful for currency calculations), and max significant digits (useful for science and engineering lab work), plus international formatting.
- Trigonometric, hyperbolic, logarithmic, permutations, combinations, factorial, powers, roots, percent and bit-wise operations, conversion between hexadecimal and decimal, random numbers.
- Full support for fractions (simple and mixed), conversion to and from decimal, fraction reduction, and use of fractions with all operators.
- Easy access to basic calculator functions, for those who rarely use scientific operations.
- Paper log feature, designed particularly for classroom use. Calculations can be recorded with a timestamp to be viewed and emailed.
- iPads get a user interface designed to make use of the large screen area. iPhones and iPod Touches get a user interface designed for the smaller screen. This includes large, easy to read scientific buttons, accessed on a scrolling panel. All the features of the iPad version are included in the smaller design.
Looking for statistics functionality? Check out the companion Talking Statistics Calculator on the App Store.
Customizable for each level of vision:
Normal to low vision: Large, clear buttons with optional speech.
Low vision: High contrast display mode, with optional speech.
No vision / blind: VoiceOver reads the button names before they are activated and also calculation results. Entry and display on refreshable Braille devices.
Switch control accessible. Split-view and Slide-over supported.
Why record new voices?
Having your iPad, iPhone or iPod Touch talk with your own voice, or that of a friend or tutor will make the calculator sound more natural to you. The calculator will speak with the accent you are used to hearing.
How good is the sound quality of recorded voices?
Excellent: The microphone in your iPad / iPhone or iPod Touch is of very good quality, and this calculator performs digital signal processing to ensure the audio level is consistent across all recorded words.
* In formula mode, after pressing the [=] button to evaluate an expression, the [=] button can be pressed again to retrieve the expression for further editing. (Pressing the [=] button cycles between the expression and the calculated result.)
* Adopts iOS13 / iPadOS13 UI
Ratings and ReviewsSee All
This is a fantastic app. Thank you so much for creating a scientific calculator app that is not only accessible, but also low cost. You have no idea how this wonderful and affordable app has taken a tremendous weight off of my shoulders.
What a great App. I am so impressed with all of this calculator's practical and cosmetic features. Truly a triumph for Universal Design for Learning (UDL). Easy to learn, Easy to use, Easy to customize. Brilliant!
What an awesome app! One of the best $5 I have ever spent on an app. I am a blind student and compared to other talking scientific calculators that cost around $250 this is a great deal! It has the features such as logs, cosines, squareroots, and more!
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With Family Sharing set up, up to six family members can use this app.