Blog
Step-by-step guides for every Browser Tools tool, plus diet, health, money and productivity how-tos.
How to Calculate GPA: Semester and Cumulative (4.0 Scale)
Step-by-step guide to calculating your semester and cumulative GPA on a 4.0 scale, with credits, letter grades, weighted Honors and AP courses, and examples.
· 2 min read
How to Calculate Percentages Easily (With Examples)
Simple formulas for X% of a number, what percent one number is of another, percentage change, and adding or removing a percentage. Everyday worked examples.
· 3 min read
How to Calculate Your Exact Age in Years, Months and Days
Work out your exact age from your date of birth, your age on a specific date for forms and exams, and how leap-year birthdays are handled. With examples.
· 3 min read
The Pomodoro Technique: How to Study Better in 25 Minutes
How the Pomodoro Technique works, why 25/5 blocks help you focus, which variations suit deep work, and how lo-fi or white noise can help you study longer.
· 3 min read
What Do I Need on My Final Exam? Formula and Examples
Find the score you need on your final exam to reach your target grade, using your current grade and the final's weight. Formula, worked examples and tips.
· 2 min read