accessibility.tsx

import Markdown from "@cocalc/frontend/editors/slate/static-markdown";

export default function Accessibility() {
  return <Markdown value={value} />;
}

const value = `

## Table of Contents

| Criteria | Supporting features | Remarks and explanations |
| -------- | ------------------- | ------------------------ |
| [Section 1194.21 Software Applications and Operating Systems](#section-119421-software-applications-and-operating-systems) | Not applicable | |
| [Section 1194.22 Web-based Internet information and applications](#section-119422-web-based-internet-information-and-applications) | Supports with exceptions | We are always improving our website. We aim to meet or exceed universal design best practices and web accessibility standards.
| [Section 1194.23 Telecommunications Products](#section-119423-telecommunications-products)| Not applicable | |
| [Section 1194.24 Video and Multi-media Products](#section-119424-video-and-multi-media-products)| Not applicable | |
| [Section 1194.25 Self-Contained, Closed Products](#section-119425-self-contained-closed-products)| Not applicable | |
| [Section 1194.26 Desktop and Portable Computers](#section-119426-desktop-and-portable-computers)| Not applicable | |
| [Section 1194.31 Functional Performance Criteria](#section-119431-functional-performance-criteria) | Supports with exceptions | Most content is marked up for Assistive Technology. |
| [Section 1194.41 Information, Documentation and Support](#section-119441-information-documentation-and-support) | Supports | Documentation is freely available to all users via our online user manual and support is available through the CoCalc UI and via email. |


&nbsp;
## Section 1194.21 Software Applications and Operating Systems

| Criteria | Supporting features | Remarks and explanations |
| -------- | ------------------- | ------------------------ |
| (a) When software is designed to run on a system that has a keyboard, product functions shall be executable from a keyboard where the function itself or the result of performing a function can be discerned textually. | Not applicable |  |
| (b) Applications shall not disrupt or disable activated features of other products that are identified as accessibility features, where those features are developed and documented according to industry standards. Applications also shall not disrupt or disable activated features of any operating system that are identified as accessibility features where the application programming interface for those accessibility features has been documented by the manufacturer of the operating system and is available to the product developer. | Not applicable |  |
| (c) A well-defined on-screen indication of the current focus shall be provided that moves among interactive interface elements as the input focus changes. The focus shall be programmatically exposed so that Assistive Technology can track focus and focus changes. | Not applicable |  |
| (d) Sufficient information about a user interface element including the identity, operation and state of the element shall be available to Assistive Technology. When an image represents a program element, the information conveyed by the image must also be available in text. | Not applicable |  |
| (e) When bitmap images are used to identify controls, status indicators, or other programmatic elements, the meaning assigned to those images shall be consistent throughout an application's performance. | Not applicable |  |
| (f) Textual information shall be provided through operating system functions for displaying text. The minimum information that shall be made available is text content, text input caret location, and text attributes. | Not applicable |  |
| (g) Applications shall not override user selected contrast and color selections and other individual display attributes. | Not applicable |  |
| (h) When animation is displayed, the information shall be displayable in at least one non-animated presentation mode at the option of the user. | Not applicable |  |
| (i) Color coding shall not be used as the only means of conveying information, indicating an action, prompting a response, or distinguishing a visual element. | Not applicable |  |
| (j) When a product permits a user to adjust color and contrast settings, a variety of color selections capable of producing a range of contrast levels shall be provided. | Not applicable |  |
| (k) Software shall not use flashing or blinking text, objects, or other elements having a flash or blink frequency greater than 2 Hz and lower than 55 Hz. | Not applicable |  |
| (l) When electronic forms are used, the form shall allow people using Assistive Technology to access the information, field elements, and functionality required for completion and submission of the form, including all directions and cues. | Not applicable |  |



&nbsp;
## Section 1194.22 Web-based Internet information and applications

| Criteria | Supporting features | Remarks and explanations |
| -------- | ------------------- | ------------------------ |
| (a) A text equivalent for every non-text element shall be provided (e.g., via “alt”, “longdesc”, or in element content). | Supports with exception | Most controls provide meaningful alternate text or descriptions. <br> Working towards supporting fully. |
| (b) Equivalent alternatives for any multimedia presentation shall be synchronized with the presentation. | Not applicable |  |
| (c) Web pages shall be designed so that all information conveyed with color is also available without color, for example from context or markup. | Supports | The CoCalc user interface does not use color to distinguish essential controls. A multiplicity of editor color schemes are available to suit color vision restrictions of users. |
| (d) Documents shall be organized so they are readable without requiring an associated style sheet. | Not applicable |  |
| (e) Redundant text links shall be provided for each active region of a server-side image map. | Not applicable | No server-side image maps are used. |
| (f) Client-side image maps shall be provided instead of server-side image maps except where the regions cannot be defined with an available geometric shape. | Not applicable | No client-side image maps are used. |
| (g) Row and column headers shall be identified for data tables. | Not applicable | There are no data tables in the control UI. |
| (h) Markup shall be used to associate data cells and header cells for data tables that have two or more logical levels of row or column headers. | Not applicable | There are no data tables in the control UI. |
| (i) Frames shall be titled with text that facilitates frame identification and navigation | Not applicable | Website does not contain Frames.<br>Some editor views include multiple panes, but these are not web Frames and their type is clearly identified at the top of the pane. |
| (j) Pages shall be designed to avoid causing the screen to flicker with a frequency greater than 2 Hz and lower than 55 Hz. | Supports | There is no blinking or flickering content in CoCalc, other than the text cursor, which blinks at approximately 1 Hz. |
| (k) A text-only page, with equivalent information or functionality, shall be provided to make a web site comply with the provisions of this part, when compliance cannot be accomplished in any other way. The content of the text-only page shall be updated whenever the primary page changes. | Not applicable | We do not provide alternative presentations or alternate pages - instead we ensure that the original page is accessible, i.e. we never have to create a text-only page. |
| (l) When pages utilize scripting languages to display content, or to create interface elements, the information provided by the script shall be identified with functional text that can be read by Assistive Technology. | Supports with exceptions | Some summary information is only available via mouse click / hover.|
| (m) When a web page requires that an applet, plug-in or other application be present on the client system to interpret page content, the page must provide a link to a plug-in or applet that complies with §1194.21(a) through (l). | Not applicable | Website does not contain applets or plug-ins. |
| (n) When electronic forms are designed to be completed on-line, the form shall allow people using Assistive Technology to access the information, field elements, and functionality required for completion and submission of the form, including all directions and cues. | Supports | All form fields are labeled and grouped logically. All form elements can be reached with keyboard.  |
| (o) A method shall be provided that permits users to skip repetitive navigation links. | Supports | UI components that have repetitive navigation links, such as the Files list, have a search option allowing the user to skip to a desired link.|
| (p) When a timed response is required, the user shall be alerted and given sufficient time to indicate more time is required. | Not applicable | We do not require timed responses. |



&nbsp;
## Section 1194.23 Telecommunications Products

| Criteria | Supporting features | Remarks and explanations |
| -------- | ------------------- | ------------------------ |
| (a) Telecommunications products or systems which provide a function allowing voice communication and which do not themselves provide a TTY functionality shall provide a standard non-acoustic connection point for TTYs. Microphones shall be capable of being turned on and off to allow the user to intermix speech with TTY use. | Not applicable |  |
|(b) Telecommunications products which include voice communication functionality shall support all commonly used cross-manufacturer non-proprietary standard TTY signal protocols. | Not applicable |  |
| (c) Voice mail, auto-attendant, and interactive voice response telecommunications systems shall be usable by TTY users with their TTYs. | Not applicable |  |
| (d) Voice mail, messaging, auto-attendant, and interactive voice response telecommunications systems that require a response from a user within a time interval, shall give an alert when the time interval is about to run out, and shall provide sufficient time for the user to indicate more time is required. |Not applicable  |  |
| (e) Where provided, caller identification and similar telecommunications functions shall also be available for users of TTYs, and for users who cannot see displays. | Not applicable |  |
| (f) For transmitted voice signals, telecommunications products shall provide a gain adjustable up to a minimum of 20 dB. For incremental volume control, at least one intermediate step of 12 dB of gain shall be provided. | Not applicable |  |
| (g) If the telecommunications product allows a user to adjust the receive volume, a function shall be provided to automatically reset the volume to the default level after every use. | Not applicable |  |
| (h) Where a telecommunications product delivers output by an audio transducer which is normally held up to the ear, a means for effective magnetic wireless coupling to hearing technologies shall be provided. | Not applicable |  |
| (i) Interference to hearing technologies (including hearing aids, cochlear implants, and assistive listening devices) shall be reduced to the lowest possible level that allows a user of hearing technologies to utilize the telecommunications product. | Not applicable |  |
| (j) Products that transmit or conduct information or communication, shall pass through cross-manufacturer, non-proprietary, industry-standard codes, translation protocols, formats or other information necessary to provide the information or communication in a usable format. Technologies which use encoding, signal compression, format transformation, or similar techniques shall not remove information needed for access or shall restore it upon delivery. | Not applicable |  |
| (k)(1) Products which have mechanically operated controls or keys shall comply with the following: Controls and Keys shall be tactilely discernible without activating the controls or keys. | Not applicable |  |
| (k)(2) Products which have mechanically operated controls or keys shall comply with the following: Controls and Keys shall be operable with one hand and shall not require tight grasping, pinching, twisting of the wrist. The force required to activate controls and keys shall be 5 lbs. (22.2N) maximum. | Not applicable |  |
| (k)(3) Products which have mechanically operated controls or keys shall comply with the following: If key repeat is supported, the delay before repeat shall be adjustable to at least 2 seconds. Key repeat rate shall be adjustable to 2 seconds per character. | Not applicable |  |
| (k)(4) Products which have mechanically operated controls or keys shall comply with the following: The status of all locking or toggle controls or keys shall be visually discernible, and discernible either through touch or sound. | Not applicable |  |



&nbsp;
## Section 1194.24 Video and Multi-media Products

| Criteria | Supporting features | Remarks and explanations |
| -------- | ------------------- | ------------------------ |
| a) All analog television displays 13 inches and larger, and computer equipment that includes analog television receiver or display circuitry, shall be equipped with caption decoder circuitry which appropriately receives, decodes, and displays closed captions from broadcast, cable, videotape, and DVD signals. As soon as practicable, but not later than July 1, 2002, widescreen digital television (DTV) displays measuring at least 7.8 inches vertically, DTV sets with conventional displays measuring at least 13 inches vertically, and stand-alone DTV tuners, whether or not they are marketed with display screens, and computer equipment that includes DTV receiver or display circuitry, shall be equipped with caption decoder circuitry which appropriately receives, decodes, and displays closed captions from broadcast, cable, videotape, and DVD signals. | Not applicable |  |
| (b) Television tuners, including tuner cards for use in computers, shall be equipped with secondary audio program playback circuitry. | Not applicable |  |
| (c) All training and informational video and multimedia productions which support the agency's mission, regardless of format, that contain speech or other audio information necessary for the comprehension of the content, shall be open or closed captioned. | Not applicable |  |
| (d) All training and informational video and multimedia productions which support the agency's mission, regardless of format, that contain visual information necessary for the comprehension of the content, shall be audio described. | Not applicable |  |
| (e) Display or presentation of alternate text presentation or audio descriptions shall be user-selectable unless permanent. | Not applicable |  |



&nbsp;
## Section 1194.25 Self-Contained, Closed Products

| Criteria | Supporting features | Remarks and explanations |
| -------- | ------------------- | ------------------------ |
| (a) Self contained products shall be usable by people with disabilities without requiring an end-user to attach Assistive Technology to the product. Personal headsets for private listening are not Assistive Technology. | Not applicable |  |
| (b) When a timed response is required, the user shall be alerted and given sufficient time to indicate more time is required. | Not applicable |  |
| (c) Where a product utilizes touchscreens or contact-sensitive controls, an input method shall be provided that complies with §1194.23 (k) (1) through (4). | Not applicable |  |
| (d) When biometric forms of user identification or control are used, an alternative form of identification or activation, which does not require the user to possess particular biological characteristics, shall also be provided. | Not applicable |  |
| (e) When products provide auditory output, the audio signal shall be provided at a standard signal level through an industry standard connector that will allow for private listening. The product must provide the ability to interrupt, pause, and restart the audio at anytime. | Not applicable |  |
| (f) When products deliver voice output in a public area, incremental volume control shall be provided with output amplification up to a level of at least 65 dB. Where the ambient noise level of the environment is above 45 dB, a volume gain of at least 20 dB above the ambient level shall be user selectable. A function shall be provided to automatically reset the volume to the default level after every use. | Not applicable |  |
| (g) Color coding shall not be used as the only means of conveying information, indicating an action, prompting a response, or distinguishing a visual element. | Not applicable |  |
| (h) When a product permits a user to adjust color and contrast settings, a range of color selections capable of producing a variety of contrast levels shall be provided. | Not applicable |  |
| (i) Products shall be designed to avoid causing the screen to flicker with a frequency greater than 2 Hz and lower than 55 Hz. | Not applicable |  |
| (j) (1) Products which are freestanding, non-portable, and intended to be used in one location and which have operable controls shall comply with the following: The position of any operable control shall be determined with respect to a vertical plane, which is 48 inches in length, centered on the operable control, and at the maximum protrusion of the product within the 48 inch length on products which are freestanding, non-portable, and intended to be used in one location and which have operable controls. | Not applicable |  |
| (j)(2) Products which are freestanding, non-portable, and intended to be used in one location and which have operable controls shall comply with the following: Where any operable control is 10 inches or less behind the reference plane, the height shall be 54 inches maximum and 15 inches minimum above the floor. | Not applicable |  |
| (j)(3) Products which are freestanding, non-portable, and intended to be used in one location and which have operable controls shall comply with the following: Where any operable control is more than 10 inches and not more than 24 inches behind the reference plane, the height shall be 46 inches maximum and 15 inches minimum above the floor. | Not applicable |  |
| (j)(4) Products which are freestanding, non-portable, and intended to be used in one location and which have operable controls shall comply with the following: Operable controls shall not be more than 24 inches behind the reference plane. | Not applicable |  |



&nbsp;
## Section 1194.26 Desktop and Portable Computers

| Criteria | Supporting features | Remarks and explanations |
| -------- | ------------------- | ------------------------ |
| (a) All mechanically operated controls and keys shall comply with §1194.23 (k) (1) through (4). | Not applicable |  |
| (b) If a product utilizes touchscreens or touch-operated controls, an input method shall be provided that complies with §1194.23 (k) (1) through (4). | Not applicable |  |
| (c) When biometric forms of user identification or control are used, an alternative form of identification or activation, which does not require the user to possess particular biological characteristics, shall also be provided. | Not applicable |  |
| (d) Where provided, at least one of each type of expansion slots, ports and connectors shall comply with publicly available industry standards | Not applicable |  |



&nbsp;
## Section 1194.31 Functional Performance Criteria
| Criteria | Supporting features | Remarks and explanations |
| -------- | ------------------- | ------------------------ |
| (a) At least one mode of operation and information retrieval that does not require user vision shall be provided, or support for Assistive Technology used by people who are blind or visually impaired shall be provided. | Supports with exceptions | Some top-level controls in the CoCalc UI have focus order, name, role, value, accessible name, and info and relationship issues that may prevent some scenarios from being completed. |
| (b) At least one mode of operation and information retrieval that does not require visual acuity greater than 20/70 shall be provided in audio and enlarged print output working together or independently, or support for Assistive Technology used by people who are visually impaired shall be provided. | Supports | The CoCalc UI does not impede user from zooming into page, or from increasing the font size via their browser settings.  As the site is zoomed, the layout will respond to become more readable. |
| (c) At least one mode of operation and information retrieval that does not require user hearing shall be provided, or support for Assistive Technology used by people who are deaf or hard of hearing shall be provided | Not applicable | CoCalc does not require auditory feedback.|
| (d) Where audio information is important for the use of a product, at least one mode of operation and information retrieval shall be provided in an enhanced auditory fashion, or support for assistive hearing devices shall be provided. |  Not applicable | CoCalc does not require auditory feedback. |
| (e) At least one mode of operation and information retrieval that does not require user speech shall be provided, or support for Assistive Technology used by people with disabilities shall be provided. | Not applicable | CoCalc does not require speech input. |
| (f) At least one mode of operation and information retrieval that does not require fine motor control or simultaneous actions and that is operable with limited reach and strength shall be provided. | Supports with exceptions | The majority of content is accessible via keyboard. Mouse interactions necessary for some features. |



&nbsp;
## Section 1194.41 Information, Documentation and Support
| Criteria | Supporting features | Remarks and explanations |
| -------- | ------------------- | ------------------------ |
| (a) Product support documentation provided to end-users shall be made available in alternate formats upon request, at no additional charge | Supports | Information available on the CoCalc wiki and online user manual website can be requested for free by contacting support. |
| (b) End-users shall have access to a description of the accessibility and compatibility features of products in alternate formats or alternate methods upon request, at no additional charge. | Supports | See the CoCalc Accessibility Statement [https://github.com/sagemathinc/cocalc/wiki/AccessibilityStatement](https://github.com/sagemathinc/cocalc/wiki/AccessibilityStatement), which is linked from our online user manual. |
| (c) Support services for products shall accommodate the communication needs of end-users with disabilities. | Supports | The page outlining our approach to accessibility can be read by assistive technologies.  Additional information can be requested via email to [email protected].


&nbsp;  
## Legal Disclaimer (Sagemath, Inc.)

This document is provided for information purposes only and the contents hereof are subject to change without notice. Sagemath, Inc. does not warrant that this document is error free, nor does it provide any other warranties or conditions, whether expressed orally or implied in law, including implied warranties and conditions of merchantability or fitness for a particular purpose. Sagemath, Inc. specifically disclaims any liability with respect to this document and no contractual obligations are formed either directly or indirectly by this document. Sagemath, Inc. further makes no representation concerning the ability of assistive technologies or other products to interoperate with Sagemath, Inc. products. This document addresses the named product(s) or platforms only.
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