About Publisher Name : D.A. Clarke (UK) Folded : No Distribution : Unknown Updated On : April 24, 2017 Original Releases Software Publisher Type Year Introduction to Trigonometry D.A. Clarke Educational 1985 O-Level Technical Drawing D.A. Clarke Educational 1984 Files Magazine References Sinclair User Issue 37 - April 1985 Popular Computing Weekly Issue 32 - August 1984 Volume: 3 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.