Disclaimer
Last updated 3 November 2026
This document describes how the site actually works. It has not been reviewed by a lawyer; items in square brackets must be confirmed by the site owner before launch.
General information only
The content and tools on this site are provided for general information and convenience. They are not a substitute for advice from a qualified professional.
Engineering calculators
Electrical calculators use textbook formulas and nominal component values. They do not account for tolerances, temperature, safety factors or local wiring regulations. Never rely on them alone for mains-voltage work or anything safety-critical.
Financial and business calculators
Loan, tax, ROI and pricing calculators show arithmetic results only. Lenders, tax authorities and accountants may calculate differently. Nothing on this site is financial, investment or tax advice.
Academic tools
Grade and GPA scales differ between institutions. Check your university’s official handbook. Use the maths tools to check your working, and follow your institution’s rules on academic integrity.
SEO and lead tools
SEO tools follow publicly documented search-engine guidance at the time of writing. They cannot guarantee rankings, rich results or traffic. Lead tools must be used in line with privacy and anti-spam laws that apply to you.
Accuracy
The tools are tested, but errors are possible. If you find one, please report it so it can be fixed.