The Segment Operations program is a collection of functions that can be performed on a line segment defined by two points. It includes formulas for distance, slope, Y intercept, and midpoint. What’s even better is that the program returns each of these results as both an exact and decimal approximated value. It’s even smart enough to display only one result when whole numbers come up. All this in 760 bytes, and you’ve got a compelling program for use in Algebra and Geometry classes.

Installation: Just copy the ptslope program to your main directory. There are no arguments, so execution is as simple as slopdist().

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Download Segment Operations (<1k zip, TI-89/92/V200)
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Screenshots