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Feel free to send us your comments or suggestions at: About our site Programs for the CFX7400 Graphing Calculator These programs can be used for the higher level calculators as well. (9850 /+, 9970G) 2x2SYS:             This Program solves a two by two system of equations. 2x2DET             Finds the determinant of a two by two matrix. 3x3SYS:             solves a three by three system of equations. 3x3DET:             Finds the determinant of a three by three matrix SLD:               Calculates the slope, distance;and midpoint if given two points. Rect:             This program finds area, perimeter and diagonal of a Rectangle. Rotate:             Rotates a triangle through a given angle of rotation about a vertex. ReflectX:             Reflects a triangle about the X axis. ReflectY:             Reflects a triangle about the Y axis. Translate:.             Shifts a triangle in the x or y direction by a distance RollDice:               Generates a random pair of numbers 1-6. ReflectYX:             Reflects a triangle about the line y=x. ReflectYN             : Reflects a triangle about the line y=-x. Quadroot:             Calculates the roots of quatdratic equations. Discriminant:             Calculates the discriminant of quadratic equations. Support Documents for the 7400G (Workshop guides, Etc) Demo of 7400g:             A quick startup guide to using the Fx7400G graphing calculator Workshop Guide:             A complete workshop guide for the 7400G                         Updated: 2/22/99 by B. H. Giza based on pages by Clay Moore