Студенты и Учеба
Калькуляторы среднего балла (GPA), таймер Помодоро и инструменты для академических ссылок.
GPA Calculator (College & High School)
Calculate your semester and cumulative GPA on a 4.0 or 5.0 scale with weighted course credits.
Final Exam Grade Calculator
Find out what score you need on your final exam to pass the class or earn your target grade.
Percentage Calculator
Calculate percentage change, discounts, ratios, and what percentage X is of Y.
Pomodoro Study Timer
Boost study productivity with customizable 25-minute focus intervals and 5-minute restorative breaks.
Reading & Speaking Time Calculator
Calculate how many minutes it will take to read an article or deliver a spoken presentation.
GPA to Percentage Converter (4.0 & 5.0)
Convert your 4.0 or 5.0 university GPA into equivalent percentage grade scores for applications.
APA Citation Generator (7th Edition)
Generate accurate academic citations and bibliographies in APA 7th Edition format for books, websites, and journals.
MLA Citation Generator (9th Edition)
Create perfectly formatted MLA 9th Edition citations for humanities papers and literature essays.
Weighted Grade Calculator
Calculate your overall weighted class average based on homework, quizzes, midterm, and final exam percentage weights.
Academic Essay Word Counter & Target Tracker
Track your writing progress toward a required essay word count (e.g. 1500 words) with real-time percentage completed.
Cumulative CGPA Calculator & Converter
Combine multi-semester GPA records and calculate your exact cumulative grade point average (CGPA).
College Study Hours & Workload Calculator
Calculate recommended weekly study hours outside of class based on credit hours and course difficulty.
Semester & Academic Year Countdown
Live digital countdown to the end of the university semester, final exams, and summer vacation.
Universal Bibliography Reference Formatter
Sort and format multiple research sources alphabetically into a unified bibliography page.
Binaural Beats Generator for Focus & Sleep
Generate custom Alpha, Beta, Theta, and Delta binaural brainwave frequencies for deep study, meditation, and sleep.
White, Pink & Brown Noise Focus Generator
Mask background distractions with soothing ambient White, Pink, and Brown noise for work, study, or sleep.
Quadratic Equation Solver with Steps
Solve quadratic equations instantly to find real or complex roots, discriminant, and parabola vertex.
Roman Numeral Converter (Both Ways)
Convert standard Arabic numerals to Roman numerals (e.g. 2026 -> MMXXVI) and Roman numerals to numbers.
Fraction Simplifier & Mixed Number Calculator
Simplify fractions to their lowest terms and convert improper fractions into mixed numbers with decimals.
Scientific & Engineering Notation Converter
Convert standard numbers into scientific notation (e.g. 4.5 × 10⁶) or E-notation and vice versa.
Matrix Determinant Calculator (2x2 & 3x3)
Calculate determinants of 2x2 and 3x3 matrices with step-by-step formula breakdown.
AI PDF Exam & Quiz Extractor (Student Slide to Q&A)
Extract exam questions and key concepts from lecture slides and textbook PDFs page-by-page. Automatically builds interactive practice quizzes, question banks, and flashcards with instant answer checking.