Introduction “Essential Maths” was a book covering the programming of mathematics concepts like Trigonometry. The book was published thirty five years ago for owners of the BBC and Electron computers – remember those? The writer, Czes Kosniowski, wouldn’t be surprised to know that the principles are as relevant today as they were when he wrote it. Did you know for instance that in a ‘prime sequence’ the only even number is two?
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GraphDraw 3.00 released
When it comes to maths, graphing is where I draw the line1! GraphDraw is a graph plotting application from Chris Johnson, which allows x and y values to be input and subsequently edited, and from the resulting data the software can calculate and plot:
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