A free Windows desktop version is available. It has the same functionality as the Pocket PC version.

Turn your Pocket PC into a Scientific/Financial Calculator with algebraic expression entry. Now includes the powerful capability of defining your own functions. Can't find a function you use frequently among the many built-in functions? Create it. Give the trial version a spin to see if it meets your needs. Compatible with all the latest XScale devices.

FEATURES

• Easy to use algebraic entry (none of that RPN stuff).
• Two line display. Both the entered expression and the result can be viewed simultaneously.
• Hundreds of functions including definite integral and numerical derivative.
• Ninety general (real/complex) memory variables (includes Greek symbols).
• Time Value of Money Solver with Amortization Scheduler.
• Complex number calculations:
• Supports most operations including the trigometric and hyperbolic.
• Display complex result in rectangular or polar form.
• Statistical calculations:
• One and two variable statistics.
• Mean, weighted mean, standard deviation, sum, sum of squares, ...
• Linear, exponential, logarithmic, and power regression.
• Line, histogram, and scatter plots.
• Base-n calculations:
• Decimal, binary, octal, hexadecimal bases.
• 8 bit, 16 bit, and 32 bit numeric formats.
• Bit level operations such as AND, OR, XOR, NOT, ...
• Lists:
• Ten list variables.
• List functions are available for creating lists, sorting lists, drawing lists, Fourier transform lists, and more.
• Matrices:
• Ten matrix variables.
• Multiply, divide, determinant, inverse, rref, transpose, solve, ...
• LU, Cholesky, Singular Value, and QR decompositions.
• Easy to use matrix editor for viewing and entering matrices.
• Conversions:
• Area, distance, electric charge, energy, force, mass, power, pressure, temperature, time, velocity, volume.
• Over 100 conversions.
• Constants:
• Over 40 built-in constants.
• Can't find the one you want. Easily add your own.
• Periodic Table:
• Includes atomic weight, density, oxidation states, electron configuration, ...
• Plotting:
• 2D function, polar, parametric plots.
• 3D Cartesian, cylindrical, spherical plots.
• All plots can be easily traced with the stylus.
• 3D plots can be easily rotated with the stylus.
• Drawing:
• Functions for drawing a point, circle, rectangle, ellipse, and lists.
• Programming:
• Easy to follow syntax (similar to a TI-83) with statements such as IF, ELSE, FOR, WHILE, GOTO, CALL, ...
• Programs can be used to create your own functions.
• Many sample programs:
• Rotating Cube (Draw Example 3)
• 2 x 2 Matrix Solution
• 3 x 3 Matrix Solution
• Triangle Solutions
• Gamma Function
• Polar to Rect
• Rect to Polar
• Prime Factors
• Least Common Multiple
• Greatest Common Divisor
• Simpson's Rule (Definite integral)
• Root Finder
• Quadratic Equation solver
• Coulomb's Law
• LCR Parallel Impedance
• LCR Series Impedance
• Present Value (PV)
• Future Value (FV)

Version 2.6 adds a LIST mode. List functions are available for creating lists, sorting lists, drawing lists, Fourier transform lists, and more.
The latest version (2.7) adds financial functions, fractal functions, and string variables.