Help keep 5SOLO free and useful

The support button opens the external 5SOLO Ko-fi page. Ko-fi and its payment providers process the transaction; 5SOLO does not receive full card details.

Support is voluntary and current calculator features remain available without a donation.

A contribution is not an investment, ownership interest, subscription, preorder or development contract. It does not create a right to demand a feature, release date or permanent service availability.

Any separate reward or paid item offered by Ko-fi is governed by the terms shown before payment.

Ko-fi's terms and privacy policy apply after you follow the link. Ko-fi may process a name, email, technical data and transaction details.

Do not include confidential, payment, medical or third-party information in a contribution message.

Bug reports and feedback about translations, accessibility and clarity are useful. Reproduce issues with fictional data rather than real client details.

Contact: taskcostcalculator@proton.me.