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Adjustment handles are a way to facilitate the construction of e.g. a cubic Bézier curve.. In graphical user interfaces, the control element adjustment handle is a small box that appears on the corners and edges of a selected element such as another graphical control element like a window.
−1: If the subtraction button − is pressed after the multiplication ×, it is interpreted as a correction of the × rather than a minus sign, so that 4 − 5 is calculated. 20: If the change-sign button ± is pressed before the 5, it isn't interpreted as −5, and 4 × 5 is calculated.
For keyboards without a numeric keypad, some games provide alternative movement keys, such as classic Rogue's HJKL keys. The numeric keypad can also be an alternative to the WASD keys for navigation in computer gaming. This can be an attractive option for left-handed people who prefer to use the mouse with their left hand.
A mouse is moved without the button being pushed. This state can be called tracking, meaning the user just moves the mouse without further interacting with the system. If the mouse is pointed at an icon and the button is pressed while moving the mouse, a new state called dragging is entered.
Example of a spinner together with a text box, placed above a check box. A spinner or numeric updown is a graphical control element with which a user may adjust a value in an adjoining text box by either clicking on an up or down arrow, by pressing an arrow key down or moving mouse wheel, [1] causing the value in the text box to increase (if the up arrow is held down) or decrease (if the down ...
Num Lock or Number Lock (⇭) is a key on the numeric keypad of most computer keyboards. It is a lock key , like Caps Lock and Scroll Lock . Its state affects the function of the numeric keypad commonly located to the right of the main keyboard and is commonly displayed by an LED built into the keyboard.
Yes! You can take your email on the go with an iOS & Android app.
The mouse gesture for "back" in Opera – the user holds down the right mouse button, moves the mouse left, and releases the right mouse button.. In computing, a pointing device gesture or mouse gesture (or simply gesture) is a way of combining pointing device or finger movements and clicks that the software recognizes as a specific computer event and responds to accordingly.