Accessibility statement
CalcRaven should be usable by everyone. We aim to meet the Web Content Accessibility Guidelines (WCAG) 2.2 at level AA.
What we’ve done
- Every form field has a visible label, and help text and error messages are connected to their fields.
- Results are announced to screen readers when you press Calculate, without announcing every keystroke.
- Everything works with a keyboard alone, with visible focus outlines and a “Skip to calculator” link.
- Text and controls meet WCAG AA color contrast in both light and dark modes.
- Buttons and links are at least 44 by 44 pixels for easier tapping.
- Errors are described in text, never by color alone.
- Formulas are written as text, and charts have a text summary and a full data table.
- Pages work at 200% zoom and on small screens without sideways scrolling, and respect your reduced-motion setting.
Known limitations
Calculators need JavaScript to run. Charts are a visual summary; the same figures are always available in the table next to them. If you find anything else that’s hard to use, we want to know.
Feedback
If you have trouble using any part of CalcRaven, email [email protected]. Tell us the page, what you were trying to do and the device, browser and any assistive technology you use. We aim to reply within five business days.