Tutoring programming, conversions between strings and arrays are relevant. The tutor shows an easy way to do it in Perl.   Converting a string to a character array is a common task in small programs, especially ones that accept user …

Perl programming: string conversion to character array Read more »

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Tutoring high school math, I don’t see this used.  However, I did see it at university.  The tutor introduces Cramer’s Rule. Consider the following problem, common in high school math: Solve the system. 2x-4y=20 3x+5y=-3 If you know determinants (having …

Math: Solving systems of equations: Cramer’s Rule Read more »

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The tutor introduces the third major forest soil type in Canada. Brunisols are found from BC to Quebec.  They often occur north of luvisolic or podzolic regions. Brunisols represent a transitional phase from parent material to soil.  They lie along …

Canadian geography: Soils of Canada, cont.: brunisols Read more »

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The tutor continues about a topic of fascination for anyone connected with the land.  During tutoring, my students talk about recycling, but not about this – yet. Yesterday’s post I began my reflections about soils in Canada, ending with some …

Canadian geography: soils in Canada, cont. Read more »

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