Keystroke logging (often called keylogging) is a method of capturing and recording user keystrokes. Knowing the keystrokes, mouse actions, display, clipboard, etc. Accuracy is the coordination of precise mouse clicks and keystrokes. Rollover is the ability of a computer keyboard to correctly handle several simultaneous keystrokes. It tells the keyboard to ignore brief or repeated keystrokes. Frequently used or repetitive sequences of keystrokes and mouse movements can be automated. On other keyboard layouts these characters are accessible only through a set of keystrokes. It can then invade the kernel, log keystrokes, or steal encryption keys. AutoHotkey scripts support substitution of Unicode characters for keystrokes. The Apple IIe had a keyboard ROM that translated keystrokes into characters. BASIC commands like , , and are accessible via single keystrokes. Users could get things done with a lot fewer keystrokes and it ran faster. These character clusters are built using multiple keystrokes. It dealt with functions rather than with keystrokes. There are various ways in which calculators interpret keystrokes.