Contact
Found a wrong answer, or want a calculator that isn't here yet?
Report a problem
If a calculator gives a result you believe is wrong, that is worth reporting — please include the calculator name, the exact values you entered, and the answer you expected. Wrong maths gets fixed first.
Suggest a calculator
The catalog is long but not finished. If something you need is missing, say what it should work out and how you would use it.
Get in touch
NWS Calc is built by nihmathullah.com. Contact details and a form are on the studio site.