Coordinate Equation Solver

GPS & maps · Mystery caches

Replace missing coordinate digits with letters, then solve equations and digit rules. Find all matching coordinate combinations and copy the results. No account, API, or outside service required.

Try a or .

North / south coordinate patternLetters A–Z stand for individual digits.

East / west coordinate patternDegrees and minutes can contain letters; 2 minute digits are required.

Equations and comparisons · one per line

Optional allowed digit ranges · one per line All letters must have different digits Hide duplicate coordinate pairs

Supported: + - * / % parentheses; = != < <= > >=.
Examples: A+B=12, 2*C-D=3, A!=B, (A+B)%3=0.
Digit rules: A: 1-5 or A: 1,3,7.

Solutions

Enter a coordinate pattern and equations, then select Solve coordinates.

Solutions will appear here.

How to use

For a cache listing such as N 44° 1A.2BC W 079° 3D.4EF, enter each half above. Add the clues that determine A–F, and solve. Valid minute values must be between 00.000 and 59.999. If your clues do not determine one location, the solver lists alternatives.