Education Tools

GPA, scientific notation and the interactive periodic table for students.

• GPA Calculator — Work out semester GPA and cumulative CGPA from credits and grades on the US 4.0, Bangladesh UGC or your own custom grading scale.
• Interactive Periodic Table — Explore all 118 elements in an interactive periodic table with atomic mass, electron configuration, electronegativity and oxidation states.
• Scientific Notation Calculator — Convert numbers to scientific, engineering and E-notation with chosen significant figures, and do arithmetic using sig-fig rules.