Discipline
2021-12-15
Instructions for use
An online query tool developed for topographic map framing standards.
At present, the query of the new versio...
2021-12-15
Calculate the location map number based on the latitude and longitude. The frame number given here is
the new number. Through the...
2021-12-15
Planar vector angle online calculator
\(|a|=√[x1^2+y1^2]\)
\(|b|=√[x2^2+y2^2]\)
\(a \times b=(x1,y1)(x2,y2)=x1x2+y1y2\)
\(cos=a \t...
2021-12-15
The geodetic coordinate system is converted into a Gaussian plane rectangular coordinate system
online conversion tool (multiple ...
2021-12-15
Instructions for use
An application based on online latitude and longitude coordinates developed by [OpenStreetMap]
(/wiki/OpenSt...