Acceptable use
Use calculators and guides for personal learning, planning, and reference. Do not misuse the site or rely on estimates as official records.
Accuracy limits
We try to keep content clear and useful, but grading policies change and vary by institution. Verify important decisions with official sources.
Changes
Pages, tools, and terms may be updated to improve clarity, accuracy, or site performance.
Frequently Asked Questions
Are the tools free?
Yes, the public educational tools are free to use.
Can terms change?
Yes. Continued use means you accept the current terms.