deli D991EX Scientific Calculator
Doing a Numerical Analysis course and hadn't owned a proper calculator in a long time . During the course, I felt like I deserved new calculator. This is the one I bought and was really impressed by its finish the moment I unboxed it. Never thought a calculator would look this great. It works well and should last me for a very long time. #justbought #math #tools  Previous one, which is from a different brand, has an issue with its display - it only works when feels like it. Could be a manufacturing error.
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