1)   Graphit 1.12
Low cost 2D function plotting software. Use up to 8 functions with cascades. Displays 2 simultaneous plots with cursors positions and deltas. File load, save, and print. Input point overlays for curve fitting. Trig, Ln, Log functions supported.
Graph plot, function plot, math, graphing software, home school, curve fit,

 2)   DreamCalc Graphing Calculator 3.4.0
DreamCalc is a software application which provides a fully featured and convenient alternative to using a separate hand-held graphing calculator when you are working on your PC. Because it is software, it runs alongside your other applications.
calculator, scientific calculator, graphing calculator, programming, plot, function graphing, function plot, function plotting, engineering calculator, engineering software,