MathSoft 1.1.9a Category: TI-89 Basic Math/Science Programs Download: mathsoft.zip Author: John David Ratliff Website: http://www.technoplaza.net/software/index.cgi?p=mathsoft Rating: 3 out of 5 [ Rate This Program ] Size: 24 kilobytes Comments: View the comments for this program. Description: A mathematics toolkit for calculus, geometry, and trigonometry.