Arithmetic
Exact rational arithmetic with no roundoff error
Adjustable precision approximate arithmetic
Rational, decimal, and scientific notation
Adjustable input and output radix bases for numbers
Integer factoring, factorials, modulii, and gcds
Handles complex and infinite numbers
Prime number recognizers and generators
Fibonacci, Bernoulli, Euler, and Catalan numbers
English and metric units conversion
Fundamental physical constants to high precision

AlgebraSymbolic simplification of expressions
Polynomial expansion and factoring
Partial fraction expansion and common denominators
Reduction of complex values to rectangular form
Integer, real, complex, and nonscalar declarations
Greek and Latin (English) variable names
Variable and subexpression substitution
Algebraic and numeric equation solving
Solves systems of linear equations
Boolean algebra and truth tables

2D PlotsExplicit, implicit, and parametric plots
Plots using rectangular or polar coordinates
Specify plot range using a "zoom" box
Plot space curves and complex-valued functions
Follow plot lines with cross in trace mode
Zoom plot scales in or out
Frame plots easily in auto-scale mode
Specify plot colors and aspect ratio
Options for numbering and labeling axes
Annotate plots

3D PlotsWire frame plots for functions of two variables
Optional hidden line removal
Set eye and center positions
Zoom in or out, or use automatic vertical scaling
Specify number and color of grid lines
Switch to AcroSpin to rotate 3D plots in real time

CalculusFinite and infinite symbolic limits
First and nth order partial derivatives
Antiderivatives and definite integrals
Approximate numerical integration
Finite and infinite sums and products
Curvatures, tangents, and osculating circles
Implicit and parametric differentiation
Taylor and Fourier series approximations
Arclengths, areas, and volumes
Laplace transforms
Exact first and second order ODE solving
Runge-Kutta approximations for systems of ODEs

Vector and MatricesSymbolic and numeric elements
Uses standard subscript notation
Dot, cross, and outer products
Transpose, determinant, inverse, and trace
Matrix reduction to row echelon form
Eigenvalues and eigenvectors
Noncommutative vector and matrix algebra
Differential and integral vector calculus
Efficient functions for vector and matrix operations
Tensor algebra and analysis package
Least squares curve fitting
Set union, intersection, and power sets
 

FunctionsExponential, trigonometric, and hyperbolic
Angles specified in degrees or radians
Piecewise-continuous and complex variable
Probability, statistics, and financial
Special functions (Zeta, Bessel, hypergeometric, etc.)
Pseudo-random number generator

Programming User-defined mathematical functions
If-then-else control construct
Boolean and relational operators
Recursive and iterative functions
Extract terms, factors, and free variables from expressions
Operators for domain declarations and state variables
Selection and function application over vectors

Input/OutputAnnotate, save, and load DERIVE sessions
Customize printout headers and footers
Preview print image of expressions and plots
Include annotations and computation time in expression printouts
Print plots using color or black & white printers
Copy DERIVE screen images to the Windows clipboard in bitmap format
Copy expressions to the Windows clipboard in text format
Load and analyze numeric data files
Generate C, Fortran, Pascal, and Basic program files


InterfaceUse the keyboard or mouse to select toolbar buttons or menu commands
Open multiple algebra, 2D, and 3D plot windows
Easy entry and editing of expressions
Enter Greek variable names and mathematical symbols using a toolbar
2D matrix input and editing
Expressions displayed using standard 2D mathematical notation
Subexpression highlighting, extraction and substitution
Multiple expression highlighting
Move and renumber expressions
Remove and unremove expressions between algebra windows
Condensed expression format and display modes
Quick reference card and extensive on-line help
Manual full of step-by-step examples using screen images