Peter Watson
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Watson1 reviewed on 01 Jan 2004
Every now and then you run across a program which does one thing and does it very well. Franklin lets you visualise electric fields: not just for the one or two special cases that you find in every text-book, but for any arrangement of electric charges in 2 or 3 dimensions. If you teach electricity at any level, you need it: I've used the OS-9 version for several years for teaching a large class of freshman students. V 1.7 is better in all ways.
Why not a perfect 5? Electric field lines have a direction, which one indicates by an arrow: Franklin doesn't draw them!
[Version 1.7]

Watson1 commented on 29 Jan 2003
Mathpad is just amazingly good. It replaces any calculator for doing scratchpad type calculations: since the calculation is stored, you can go back and make corrections. YOu can use it as a teacher, to step students through a complex calculation.
But then it's extensible, and acts as the poor-man's Mathcad; it handles arrays, graphs, special functions and so on. It (obviously) doesn't run at the speed of a compiled program. but for checking results it is outstanding.
And the price is right!
[Version 2.6.3]

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