Pocket calculator with large display - has numeric key=pad, function keys for calling up computer programs, and cursor keys for selecting input fields

摘要

The pocket calculator has a display, a numeric key-pad, and a function key-pad (5), and operates under the control of a CPU connected to ROM and RAM stores. The function key-pad is coupled to a fixed image memory for selective generation of a corresp. work-sheet from individual display cells, and initiation of the required computer program. Cursor control keys (3) are provided for moving around the work-sheet to the desired input field. The individual cells of the work-sheet are freely selectable by the cursor and the selected cells may be manipulated as required. ADVANTAGE - Simplifies calculations.