I hope you’ve had a good experience using these calculators and I’m glad you’d like to reach out! Please use the contact form below to send a message. I’d especially be interested in hearing about how you used my work on this site, and hear about the projects you are working on. I enjoy meeting people who share a passion for these topics and would love to hear from you.

A lot of effort went into making these calculators accurate, intuitive, and easy to use. Please let me know if you have found any mistakes, if there are any suggested improvements, or if you would like to request a new calculator to be added. If you find these calculators useful, consider buying me a coffee!