Shareware RPN Calculator with over 240+ Functions, many Conversions with 6 unique keypads: Standard, Engineering, Binary, Magnetics, Trigonometry, and Convert
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Authority
36/100
Safety
90/100
Registered
Jan 26, 2000
26 years old · GoDaddy.com, LLC
3 of 5 safety checks passed (Sep 8, 2026).
AboutUs has not vetted this site. 2 of 5 automated safety checks did not pass. Everything below is what we could measure automatically. Anything you do on the site — paying, sharing personal details, downloading — is between you and the site, not AboutUs.
Current facts
What AboutUs observed on the live site and in WHOIS/DNS today. These are measurements, not an endorsement of the site.
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Domain registered Jan 26, 2000 — 26 years old.
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Registrar today: GoDaddy.com, LLC — unchanged since AboutUs began tracking (Aug 31, 2026).