HP 35s HP 35s scientific calculator - User Guide - Page 19
Alpha Keys, Cursor Keys, Left-shifted, function, Right-shifted, Letter for alphabetic - display
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Pressing or turns on the corresponding or annunciator symbol at the top of the display. The annunciator remains on until you press the next key. To cancel a shift key (and turn off its annunciator), press the same shift key again. Alpha Keys Left-shifted function Right-shifted function Letter for alphabetic key Most keys display a letter in their bottom right corner, as shown above. Whenever you need to type a letter (for example, a variable or a program label), the A..Z annunciator appears in the display, indicating that t he alpha keys are "active". Variables are covered in chapter 3; labels are covered in chapter 13. Cursor Keys Each of the four cursor direction keys is marked with an arrow. In this text we will use the graphics Õ, Ö, × and Ø to refer to these keys. Getting Started 1-3