Donald Schaefer

Sheep Notebook for iPhone

Sheep NoteBook for iPhone is an IOS 8.2 iPhone app which enables the recording and emailing of sheep location and identification information...

June 17, 2016 By Donald Schaefer

Cattle Notebook for iPhone

Cattle NoteBook for iPhone is an IOS 8.2 iPhone app which enables the recording and emailing of cattle location and identification...

June 17, 2016 By Donald Schaefer

Sheep Transactions

Sheep Transactions Database enables the entry of Sheep and Sheep Transactions data for Apple IPad users in the field and office. Sheep...

June 17, 2016 By Donald Schaefer

Logic Truth Tables

A Truth Table is a mathematical table used in logic to compute the True/False values of logical expressions.Logic Truth Tables is an...

June 12, 2016 By Donald Schaefer

Elementary Matrix Algebra

Matrix Algebra is an Apple iPad App which assists beginning students of Matrix Algebra. The app provides for the entry of two 2x2 matrices...

June 12, 2016 By Donald Schaefer

Cattle Transactions Database

Cattle Transactions Database enables the entry of Cattle and Cattle Transactions data for Apple IPad users in the field and office....

June 12, 2016 By Donald Schaefer

Appalachian Trail Notebook

Appalachian Trail Notebook is an Apple IPAD iOS 7 app which enables the recording and emailing of Appalachian Trail location information....

June 12, 2016 By Donald Schaefer