After the French, British, and Spanish came up with names spelled them in their own languages for the Native American tribes, either directly or thro...

Does bi-directional mean that it has the eyepiece on the side and also works with an instrument or prism adapter that looks straight down through it? ...

What Melita said. Small gotcha: if your birthday is the 1st of a month, everything is a month earlier.

There is a volunteer organization called SHIIP that advises people on the insurance tradeoffs for their situation. Choosing when to take SS is simple:...

Center and level the tribrach over a point. Pencil outline the tribrach on the tripod head. Rotate the tribrach 120 degrees and align with the pencil ...

Ask them who will be sorrier if the wall falls over.

When converting to RINEX you can use the option as -week 2345 or whatever the correct week number is, and not have to do any editing. When editing it...

All state plane and most if not all LDP systems are designed so that the coordinate values in the area they are intended to cover are multi-digit numb...

There are maybe 100 symbols that are easily distinguishable in equations. Roman alphabet, greek alphabet, a few math operations, a few from other alph...

In my ideal world, a survey should reference the document creating any easement it shows and not be the document creating it unless that is explicit i...

6 enter 2 divide 1 enter 2 plus multiply Which yields 9

The TI version goes back to Fortran. I think before programming and calculators people just avoided the ambiguity.

I think the original standard was to consider M and D equal priority and fall back on left to right in the expression. The mneumonic PEMDAS was a loos...

That's entirely a matter of convention by definition, but i think the TI one is more commonly used.