Effective Date: February 28, 2026
The Optical Calculator is a subscription-based Software-as-a-Service platform. By subscribing, you authorize recurring billing in accordance with the plan selected at checkout.
All subscription fees are billed in advance on a recurring basis, either monthly or annually depending on your selected plan.
All subscription payments are final and non-refundable.
By completing a subscription purchase, you acknowledge and agree that you are not entitled to refunds, credits, or prorated reimbursements for:
Notwithstanding the above, The Optical Calculator may, at its sole and absolute discretion, issue a full refund for the current billing month in which a written refund request is received.
Any discretionary refund:
Refund requests must be submitted in writing to: support@theopticalcalculator.com
The Company's decision is final.
You may cancel your subscription at any time by:
Upon cancellation:
If cancellation is not completed before the renewal date, your subscription will automatically renew and you will be billed for the next cycle.
Access to The Optical Calculator continues through the end of the paid billing period.
Once the billing period expires:
By subscribing to The Optical Calculator, you agree not to initiate a chargeback or payment dispute without first contacting support@theopticalcalculator.com to seek resolution.
Initiating a chargeback or fraudulent dispute may result in:
The Company reserves the right to provide billing records, IP logs, login activity, usage history, and acceptance of Terms of Service to financial institutions in response to any dispute.
For questions about this Refund & Cancellation Policy, contact: support@theopticalcalculator.com