HP 40gs hp 40gs_user's guide_English_E_HDPMSG40E07A.pdf - Page 17

hp40g+.book Page 5 Friday, December 9, 2005 1:03 AM Entry/Edit keys The entry and edit keys are: Key (CANCEL) CLEAR ,, , Meaning Cancels the current operation if the calculator is on by pressing . Pressing , then OFF turns the calculator off. Accesses the function printed in blue above a key. Returns to the HOME view, for performing calculations. Accesses the alphabetical characters printed in orange below a key. Hold down to enter a string of characters. Enters an input or executes an operation. In calculations, acts like "=". When or is present as a menu key, acts the same as pressing or . Enters a negative number. To enter -25, press 25. Note: this is not the same operation that the subtract button performs ( ). Enters the independent variable by inserting X, T, θ, or N into the edit line, depending on the current active aplet. Deletes the character under the cursor. Acts as a backspace key if the cursor is at the end of the line. Clears all data on the screen. On a settings screen, for example Plot Setup, CLEAR returns all settings to their default values. Moves the cursor around the display. Press first to move to the beginning, end, top or bottom. Getting started 1-5