✉ Contact

Get in Touch

We read every message. Whether you've found a formula error, want to request a calculator, or have feedback — send us a note.

Send Us a Message

Typical response time is 1–2 business days.

📋 Reporting a formula error? Please include the calculator name, your inputs, the result you received, and what you believe the correct result should be — with a reference source if possible.
Name
📬 What to Expect
✅
We read every message
No support tickets, no bots. Real responses from the people who built the site.
⚡
Formula corrections are prioritized
If you find an error in a calculation, we treat it as urgent and correct it fast.
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Response time
Typically 1–2 business days for general inquiries.
⚡ Usually responds within 48 hours
💡 Good Reasons to Reach Out
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Request a calculator
Need a tool we don't have yet? Tell us what you need and why — we prioritize based on demand.
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Report a formula error
Spotted something wrong? We want to know immediately.
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General feedback
How can we make ProEngCalc more useful for working engineers?

When Reporting a Formula Error

🧮 Calculator Name
Which calculator on ProEngCalc produced the incorrect result?
📥 Your Inputs
Exact values you entered for each field, including units.
📤 Result You Got
The output the calculator produced — copy it exactly from the screen.
📚 Correct Result + Source
What you believe the correct answer is, and the reference (textbook, standard, or calculation) that supports it.

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