TLine

A Java program for gaining intuition about the tangent line to a curve at a point.

Version 2.0

The latest version. Needs Java 1.5 or better.

What's New

• Labels on axes.
• Supports saving graphs as .png files.
• Modulus operation, logical expressions (e.g. 1<2 evaluates to 1, 2<1 evaluates to 0).
• Four new functions: cosh, sgn, sinh, tanh.
• Completely rewritten parser.
• Cleaned up code.
• Fixes display issue in Windows.

Get It!

Compiled version: tline.jar
Source: tline.zip

Version 1.5b

This version is provided for historical purposes only; it has severe display issues in Windows.

What's New

• Better graphics.
• Multiple windows.
• Ported to Java.

Get It!

Compiled Version: tline.old.jar
Source: tline.old.zip

Web Version

Experimental web-interface for a possible reimplementation in javascript using svg graphics. Has potential, but I haven't had the time to pursue this option. Check it out. May require Firefox.