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About

Adam (Jaco) van Staden

CPEng. Engineers Australia

M.Eng Electrical Engineering

Perth, Western Australia

LinkeIn profile.

Hi, I am Adam.

The owner, engineer and programmer at jCalc.

I recently resigned to work full time on jCalc.

If you like my calculators, please support me by purchasing a Subscription.

I also like to eat. And I need a new pair of shoes.

If you have a question or a suggestion, please email me at admin@jcalc.net.

Interesting facts
Monthly users 41,000
Monthly session 60,000
Monthly page views 340,000

Automated tests:

  • Tests: 7,587
  • Assertions: 58,201

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Ranked #1 in Google

Hosting service Bluehost.com in the USA.
Payment service Stripe.com
Programming language PHP and JavaScript.
Database Maria DB
Frameworks None. All custom code.