Fill in the missing squares and solve the equations in order to find the cache.
All the columns and rows add up to 505. Numbers 1-100 can only be used once.
N 43 (J+H-Q).{[(K+L+M+N)*2]+L+F}
W 78 [(M+R)/F] . {[(A+D+E+J+W+G)*H]+F}
You can check your answers for this puzzle on GeoChecker.com.
Cache is a micro so BYOP. Have fun!