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You use division when coming up with even intervals. For example, "nail this panel to that board at 3 evenly-spaced locations." This shows up in joinery, too.
by spenczar5 6y ago
You use division when coming up with even intervals. For example, "nail this panel to that board at 3 evenly-spaced locations." This shows up in joinery, too.
That said, I do a lot of carpentry and woodworking, and have switched entirely to metric. I find it a lot easier to do addition and subtraction, as you say, but mostly it's more calculator-friendly. Adding ((273mm / 2) + 60.5mm + 546mm) is a lot easier to punch into a calculator than ((10 and 3/4 inches) / 2) + (2 and 7/8 inches) + (1 foot and 9 and 1/2 inches).
- waynesonfire 6y agoThe HP 35s Scientific Calculator is a fantastic calculator and has fractional arithmetic support. I reach for it in the shop frequently.
- spenczar5 6y agoHey, that’s a great tip, thanks! I still have to use inches sometimes, so I’ve just ordered that calculator.
- waynesonfire 6y agoNice! I think you'll like it. One thing, hope you noticed that it's an RPN calculator... takes a short amount of time to get adjusted to but is superior to algebraic entry. Here is an expanded manual on working with fractions: http://h20331.www2.hp.com/Hpsub/downloads/35_15_Working_with_Fractions.pdf http://h20331.www2.hp.com/Hpsub/downloads/35_15_Working_with... If you want to play with the HP family of calculators that are RPN check out Free42 (Android, Mac, and Windows emulator for a classic HP calculator. Note, it doesn't do fractions like the 35s) https://thomasokken.com/free42/ https://thomasokken.com/free42/