1. An electronic dictionary to retrieve and display word data related to a word input into the dictionary comprising an input means to insert the letters of a word into the electronic dictionary to retrieve related word data including a plurality of character keys to insert character data representing a word, and a call key means to signal proceeding to a next designated word; a vocabulary storage section having a plurality of word data items; related groups of word data items in said vocabulary storage section with each of said related groups of word data items forming a closed loop beginning and ending with the character data; a word data memory location in said vocabulary storage section for storing each of said word data items; an identifying address appendixed to each of said word data items and included in said closed loop of that related group; address number datam also appendixed to each of said word data items and also included in said closed loop of that related group; an address number memory location for storing each of said address number datam; a working memory means for storing character data entered through said character keys; search means for searching, upon activation of said call key means, said word data memory locations having said word data item represented by said character data entered by said character keys; first retrieval means for retrieving said address number datam stored in said address number memory location corresponding to said word data memory location of said word data item to which said address number datum is appendixed and corresponding to said word data memory location searched by said search means; second retrieval means for retrieving said word data item stored in said word data memory location designated by said identifying address corresponding to said address number datum retrieved by said first retrieval means; display means for indicating said word data item retrieved by said second retrieval means as related to said character data; said first retrieval means operating upon each signal from call key means to retrieve said address number datum stored in said address number memory location corresponding to said word data memory location of said word data item to which said address number datum is apppendixed and corresponding to said word data item last retrieved by said second retrieval means; said second retrieval means, upon each operation of said first retrieval means, retrieving said word data item stored in said word data memory location designated by said identifying address corresponding to said address number datum retrieved by said first retrieval means; said first and second retrieval means operating in a closed loop of one of each of said related groups of word data items determined by said character data entered by said character keys; and means to exit from the closed hoop with clearing of the display means.
1. An electronic dictionary to retrieve and display word data related to a word input into the dictionary comprising an input means to insert the letters of a word into the electronic dictionary to retrieve related word data including a plurality of character keys to insert character data representing a word, and a call key means to signal proceeding to a next designated word; a vocabulary storage section having a plurality of word data items; related groups of word data items in said vocabulary storage section with each of said related groups of word data items forming a closed loop beginning and ending with the character data; a word data memory location in said vocabulary storage section for storing each of said word data items; an identifying address appendixed to each of said word data items and included in said closed loop of that related group; address number datam also appendixed to each of said word data items and also included in said closed loop of that related group; an address number memory location for storing each of said address number datam; a working memory means for storing character data entered through said character keys; search means for searching, upon activation of said call key means, said word data memory locations having said word data item represented by said character data entered by said character keys; first retrieval means for retrieving said address number datam stored in said address number memory location corresponding to said word data memory location of said word data item to which said address number datum is appendixed and corresponding to said word data memory location searched by said search means; second retrieval means for retrieving said word data item stored in said word data memory location designated by said identifying address corresponding to said address number datum retrieved by said first retrieval means; display means for indicating said word data item retrieved by said second retrieval means as related to said character data; said first retrieval means operating upon each signal from call key means to retrieve said address number datum stored in said address number memory location corresponding to said word data memory location of said word data item to which said address number datum is apppendixed and corresponding to said word data item last retrieved by said second retrieval means; said second retrieval means, upon each operation of said first retrieval means, retrieving said word data item stored in said word data memory location designated by said identifying address corresponding to said address number datum retrieved by said first retrieval means; said first and second retrieval means operating in a closed loop of one of each of said related groups of word data items determined by said character data entered by said character keys; and means to exit from the closed hoop with clearing of the display means. 4. The electronic dictionary of claim 1 wherein if said search means fails to find, upon activation of said call key means, in any of said word data memory locations, said word represented by said character data in said working memory means, said display means provides an indication that said word represented by said character data is not present in said vocabulary storage section.