From: Ron Avitzur (avitzur@PacificT.com)
Subject: Press Release: Graphing Calculator 2.7

Hello:

Graphing Calculator 2.7 for Macintosh is now ready.

New features include:

Ability to change the 3D background color
Ability to define functions and variables symbolically
Ability to copy and paste formulas as plain text
Equations now line-break and scroll
1st order ordinary differential equations in 2 dimensions
Correct handling of fractional powers
New functions:
Bessel functions
floor, ceiling
Piecewise defined functions
Div, grad, and curl, vector dot, and cross products
Symbolic summation notation
Symbolic substitutions
Integrals

Visit (http://www.PacificT.com/NewIn27.html) for details.

Best regards,

Ron Avitzur
Pacific Tech (http://www.PacificT.com)