From: Ron Avitzur (
Subject: Press Release: Graphing Calculator 2.7


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

Visit ( for details.

Best regards,

Ron Avitzur
Pacific Tech (