YouTube Upload – Mathematics / Significant Figures


I did a short set of problems on significant figures – a subject of great interest before the advent of digital scales and the necessity of estimating a numerical value “between the tick marks”. You can find the set here.

I’ll also be uploading some chemistry and physics problems today … I am a bit under the weather and so choose to get ahead on the remainder of the week. The temperature is supposed to go into the negative this evening, so I’ll be huddling by the wood stove.

Please email ( with questions, or if you.d like to see a certain type of problem done.



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