Why this is valuable
Comparable domains sold:
mathematics.com more than $25,000 (USD)
science.info more than $25,000 (USD)
physics.info $3,500 (USD)
science.global $2,832 (USD)
math.co $2,800 (USD)
math.co.uk $2,685 (USD)
science.me $2,350 (USD)
statistics.info $2,200 (USD)
math.mobi $1,750 (USD)
math.works $1,200 (USD)
Memorable: maths.casa is easy to remember.
Broad appeal: maths.casa is a single English word.
Other extension sold: maths.pw with a different extension sold before.