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Contact & corrections
The fastest way to improve a calculator is to catch it being wrong.
If a count looks off, tell us the tool, the numbers you entered and what you expected.
Corrections and questions
Email: mraqeel.pk.org@gmail.com
Corrections are checked against the published source for that figure (manufacturer chart, standard table or code reference named on the page) and fixed on the page with the date updated. General feedback about which calculator to build next is equally welcome — the build order follows measured demand, and reader requests are part of that evidence.