Easy
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Attendance Calculator
Calculate current attendance, safe misses, and classes needed for a target percentage.
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A focused student collection for calculating marks, planning exams, timing study sessions, building formula sheets, and handling lightweight academic tasks.
A polished starting set from this collection.
Calculate current attendance, safe misses, and classes needed for a target percentage.
Generate a simple balanced revision timetable from topics, days, and hours.
Generate a simple study plan with learning, revision, and practice slots.
Calculate weighted GPA or CGPA from credits and grade points.
Study timers, marks calculators, countdowns, formula sheets, and quick school utilities.
Calculate age in years, months, days, and next birthday countdown.
Calculate the difference between two dates in days, weeks, months, and years.
Save exam countdowns and see time remaining.
Calculate overall percentage, per-subject percentage, and approximate GPA.
Calculate marks percentage and a simple status message.
Use arithmetic, powers, square roots, and basic trig functions.
Convert length, weight, temperature, and time units.
Create a custom formula sheet with short samples, notes, copy, and Markdown download.
Run a simple focus and break timer in your browser.
Run a simple custom-duration study timer.
Run timed turns for players or teams with round tracking.
Calculate simplified ratios and resize dimensions while preserving aspect ratio.
Calculate current attendance, safe misses, and classes needed for a target percentage.
Add options and randomly pick one, with optional simple weights.
Estimate monthly EMI, total interest, and total payment for a loan.
Generate a simple balanced revision timetable from topics, days, and hours.
Convert a date and time across common time zones using browser Intl data.
Calculate weighted GPA or CGPA from credits and grade points.
Generate safe writing, study, creativity, reflection, and productivity prompts.
Calculate final price, savings, and optional tax after discount.
Estimate marks needed to reach a target percentage or total.
Add or remove GST from an amount and calculate tax/base values.
Calculate percentage increase or decrease between old and new values.
Generate a simple study plan with learning, revision, and practice slots.
A focused student collection for calculating marks, planning exams, timing study sessions, building formula sheets, and handling lightweight academic tasks.
No. Any saved countdowns or drafts are stored only in this browser.
No. The calculators are general-purpose unless a tool states otherwise.