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Select the access length that you think will be the most cost-effective for your job. With flexible access lengths, you can get exactly the service you need for as long as you need it. With either selected you can use calculator at your work, at your home or when traveling.

Flexible term lengths

With 1 month access you can try full service without making big up-front investment. When you find that full service becomes your every day routine select 1 year subscription and save big on low cost/long term subscription plan.

Benefits

When you get full access you will have instantly all available services for all available calculator deployments:
  • calculator available for download
  • online web calculators
  • web start calculators
  • calculator for android smart phone
Calculator availability for each deployment depends on the current development stage. For every single available calculator you can check on its introduction page what deployments are currently available, or you can check it on the deployments page.

System requirements

Internet connection is nice to have but not required for download calculator to work. Regardless of your computer system it should be possible to use at least one of available deployments. Depending on the available and preferred deployment, system requirements are as follows:
  • calculator available for download - Windows 64bit
  • online web calculators - web browser with Javascript support
  • web start calculators - JavaTM 1.8+ for your computer
  • calculator for android smart phone - name tells it all

Access renewal

Your access will not automatically renew and you will not be charged recursively. Once your access expires, you will have to renew it manually.

Cancelling and refunding

You can request to be refunded for any payment. For annual access, please send me your request within 30 days from purchase. After receiving your refund request I will respond you within reasonable time. Read refund policy in full.

Payment options

At this moment you can pay and have immediate access to calculators using PayPal. If you prefer other kind of payment, please contact me and I will respond in shortest possible time, but you will have to be patient as the whole process of other payment option can take some time.

Detailed service agreement

Read more about service terms for calculators on this web site at Software as a service agreement page.