- Binding : Tools & Home Improvement

- Brand : Calculated Industries

- EAN : 0098584030582

- Feature : Grade averages for up to 99 grades per student and 99 students per class / Work in any grading format (percent score， GPA， 4.0， 5.0， 12.0 or total) / Work in both letter and number grade averages (without converting) / Grade "weighting"， custom grade scales， acts as a stopwatch/timer / Full One Year Warranty

- Label : Calculated Industries

- Manufacturer : Calculated Industries

- Model : 3058

- ProductGroup : Home Improvement

- ProductTypeName : TOOLS

- Publisher : Calculated Industries

- Studio : Calculated Industries

- Title : Calculated Industries 3058 GradeMatic 4000

- UPC : 098584030582

- Warranty : If the product is initially defective within 30 days of purchase by end user replace to customer & CI will replace to Amazon (unless the display is broken ). After 30 days up to one year product is covered under warranty( unless the display is broken). After one year there is a $24.95 repair charge plus shipping.