fx 991ex

fx-991EX Quick Start Guide 17 The fx-991EX is capable of handling vector calculations with vectors in 2 or 3 dimensions. From the Main Menu, use the arrow keys to highlight the Vector icon and press p or press 5. Let vectors u and v be defined in the 3-dimensional plane by the following: u = 2i + 3j – 2k and v = 3i - 4j + 5k fx crown 500cc