Student & Academic Tools

Calculate the exact score you need on your final exam to pass or reach your target grade.

Compute weighted (5.0 AP/IB/Honors) & unweighted (4.0) cumulative and semester GPA with auto-save.

Quick test score percentage table and grading scale for teachers and students.

Convert word count to single- or double-spaced formatted essay pages and speaking duration.

Catch essay typos and flow awkwardness using instant browser-native speech synthesis.

Format references instantly in APA 7th, MLA 9th, Chicago, and Harvard style.

Minimalist 25/5 focus timer with synthesized soothing white/brown background noise.

Count sig figs, round to precision, and perform operations with scientific rules.

Balance reaction equations with stoichiometry analysis and molar mass breakdown.

Compute sample and population mean, variance, standard error, and Z-score distributions.

Design, customize, and print clean weekly class schedules and study timetables with custom colors and PNG/PDF export.