How does t9 dictionary work

T9 was born out of the work that King and his co-founder Cliff Kushler did in developing products for people with disabilities. King had developed an eye-tracking communications device that would lay the foundation for his company called Tegic Communications in As part of their work for the eye-tracking device, King and Kushler looked at the most efficient way to input text using only a few eye positions. That research became the groundwork for a new kind of text input method called T9.

In its beautiful tribute to King, the Techflash blog talks about how King tried to solve problems:. King had an uncanny ability to look at problems from various angles, discovering new ways to solve complex issues, recalled Mason Boswell, a Seattle patent attorney who worked closely with the inventor. King was diagnosed with cancer five years ago. But it didn't stop him from starting a new company called Exbiblio. Kushler, his co-founder at Tegic, is now part of a company called Swype that is changing text entry on touchscreen phones.

Continue pressing until you see the punctuation mark you need. Yes No. Not Helpful 2 Helpful Press and hold down the number you need, and it will appear.

Not Helpful 3 Helpful 7. Press the zero button. This should give you a space. Double tapping zero will finish a sentence with a period. Not Helpful 3 Helpful 4. You are usually able to backspace by either pressing the clear or delete button. The device that you are using may be the same or be slightly different. I suggest referring to the users manual for your specific device for this information.

Not Helpful 2 Helpful 1. Click the key to do it. If you're on a computer shift. If you're on a cell phone click the up key on the bottom left or right. Not Helpful 0 Helpful 1. Include your email address to get a message when this question is answered.

Submit a Tip All tip submissions are carefully reviewed before being published. Related wikiHows How to. How to. About This Article. Co-authored by:. Co-authors: Updated: March 29, Categories: Texting. The number of words stored depends on the implementation as well as the language.

In later versions of T9, the order of the words presented adapts to the usage pattern. For instance, in English, matches "good", "home", "gone", "hood", etc. Such combinations are known as textonyms ; e. When the user uses "home" more often than "good", eventually the two words will switch position. Information about common word combinations can also be learned from the user and stored for future predictions.

For words entered by the user, word completion can be enabled. When the user enters matching key-presses, in addition to words and stems, the system will also provide completions.

In later versions of T9, the user can select a primary and secondary language and matches from both languages are presented. This enables users to write messages in their native as well as a foreign language.

Some implementations also learn commonly used word pairs and provide word prediction e. Symbian S60V5 apps and tips. Search this site. Getting Started. Project Definition. The Team. Time Tracker. Project updates.