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ParaGraph: a parametric graphing calculator. ParaGraph can graph multiple functions at once, perform numerical calculus, find extrema, do log plots, plot polar graphs, fit curves to data, do basic vector operations, and much more.
This a VB calculator I have made.
Current Features:
-Do usual Math calculations
-Delete and point functions
-Clear/Clear All
-Memory functions with visual memory screen
-Do trigonometry
-Square and square root
-Log function
-Log shell integration
-3 different languages
-Variables slot for saving important values
A Visual Basic Excel/Access/Grapher/Activex Wireline Log Calculation & XPLOT tool
written by Anthony Miller for Scott Pickford ECL 2004. Also performs VSVP calculations.