Bill Lythgoe About Roles Name : Bill Lythgoe Software Role Publisher Type Year Factors (Unknown) Sinclair User Utility: Maths/Science 1984 Cardioids and Nephroids (Unknown) Sinclair User Utility: Maths/Science 1983 Snap (Unknown) Sinclair User Arcade: Action 1984 Transform (Unknown) Your Computer Utility: Maths/Science 1984 Change Request You can request changes or additions here. You can upload files. All change requests are actioned as quickly as possible and you will be informed of the result. Details Files Your Name * Email * Details Your browser doesn't have Flash, Silverlight or HTML5 support. Submit Thank you for your change request. We will respond as soon as possible.