B.J. Kamphuis About Roles Name : B.J. Kamphuis Software Role Publisher Type Year Dec to Hex (Unknown) ZX Computing Utility: Maths/Science 1986 Sound Kit (Unknown) ZX Computing Utility: Sound/Speech 1986 The UDG Bank (Unknown) ZX Computing Utility: Fonts/UDGs 1987 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.