Talking Scientific Calculator
- Type: Education
- Accessibility: Mobile
- Developer: Adam Croser
- Status: Paid
- Platform: iOS
- Language: English
- Rating: 10/10
Talking Scientific Calculator is an iPhone and iPad app specifically designed for users with visual impairments. It is a full-featured scientific calculator that vocalizes all actions—key presses, entered numbers, formulas, and results.
Key features:
Recognizes and reads numbers and formulas aloud in natural speech, with pronunciation style options: American, British, or German.
Two input modes:
- Standard — classic calculator mode,
- Formula — input of mathematical expressions with proper order of operations.
Supports a wide range of mathematical functions: fractions (including mixed numbers), statistical calculations, trigonometry, logarithms, factorials, percentages, hexadecimal arithmetic, and random number generation.
Allows viewing results as formatted text with precision control and number display customization.
Supports custom voice prompts: users can record their own vocalizations for buttons and commands.
Fully compatible with VoiceOver, Switch Control, and Braille displays, including formula input and output in Braille.
Interface features large buttons and high contrast, adapted for low-vision users.
Supports multitasking on iPad, including Split View and Slide Over, with customizable interface layout.
The app makes scientific calculations accessible and understandable for blind and visually impaired users, combining accuracy, functionality, and accessibility.