30 tools
All Lynara tools
Evergreen academic calculators, citation generators, carefully scoped AI and classroom utilities.
Weighted Grade CalculatorCalculate a weighted course grade from category scores and weights, even when the entered weights do not add to exactly 100%.gradesGrade Percentage CalculatorConvert points earned and points possible into a percentage, letter grade and number of missed points.gradesFinal Grade CalculatorCalculate the score needed on a final exam to reach a target grade, or project your final course grade from an expected exam score.gradesGPA CalculatorCalculate a college GPA from letter grades and credit hours with an editable 4.0 scale, or enter grade points manually.gradesWeighted GPA CalculatorCalculate a weighted GPA with per-course extra weight for honors, AP, IB or other advanced-course systems.gradesCumulative GPA CalculatorCombine an existing GPA and credits with a new semester GPA and credits to estimate the updated cumulative GPA.gradesSemester Grade CalculatorEstimate a semester grade from multiple term scores and an optional final-exam score with its own weight.gradesTest Grade CalculatorCalculate a test percentage, letter-grade reference and missed-question count from correct answers and total questions.gradesSAT Score CalculatorCalculate an SAT total from section scores or estimate a score range from raw correct answers using the official 2026 Practice Test #11 conversion table.gradesACT Score CalculatorCalculate the current ACT Composite from English, Math and Reading section scores, with an optional legacy four-section mode.gradesTeacher GraderGenerate a complete grading chart for any test length, showing correct answers, missed answers, percentage and letter-grade reference.gradesAMA Citation GeneratorGenerate AMA 11 references for journal articles, webpages, books and chapters, with DOI import and PubMed/NLM journal-abbreviation checks.citationAI Study Guide MakerTurn notes, textbook excerpts or a topic into a structured study guide with key concepts, summaries, review questions and a checklist.studyAI Quiz GeneratorCreate multiple-choice, true/false and short-answer practice questions from notes, a topic or pasted study material.studyAI Flashcard GeneratorConvert notes or a topic into concise flashcards using term-definition or question-answer formats for active recall.studyAI Essay Grader & FeedbackGet structured feedback on essay clarity, organization, argument, evidence and mechanics without asking AI to write the essay for you.studyConcept Map MakerBuild a visual concept map in the browser from a central topic and connected concepts, with optional AI expansion planned behind the same tool.studyAI TutorAsk for a step-by-step explanation, hint or worked example while controlling subject, level and how much help the tutor should reveal.studyAI Worksheet GeneratorGenerate classroom worksheets from a topic, grade level and question style, including answer keys when requested.teacherAI Rubric GeneratorDraft an assessment rubric from an assignment description with editable criteria, performance levels and concise descriptors.teacherSpelling Test GeneratorTurn a custom word list into a clean numbered spelling test and teacher answer list without any AI cost.teacherMLA Citation GeneratorGenerate MLA Handbook 9th edition works-cited entries for journal articles, webpages, books and book chapters with DOI metadata import.citationAPA Citation GeneratorGenerate APA Style 7th edition reference-list entries for journal articles, webpages, books and book chapters with DOI metadata import.citationChicago Citation GeneratorGenerate Chicago Manual of Style 18th edition bibliography or author-date references for journal articles, webpages, books and chapters.citationIEEE Citation GeneratorGenerate numbered IEEE references for journal articles, webpages, books and book chapters using current IEEE reference-guide conventions.citationACS Citation GeneratorGenerate references using the current ACS Guide to Scholarly Communication for journal articles, webpages, books and book chapters.citationASA Citation GeneratorGenerate American Sociological Association 7th edition references for journal articles, webpages, books and book chapters.citationCSE Citation GeneratorGenerate CSE Manual 9th edition Citation-Sequence references for scientific journal articles, webpages, books and book chapters.citationWord Count CalculatorCount words, characters, characters without spaces and sentence-ending marks instantly in your browser.studyReading Time CalculatorEstimate reading time from a text word count and an editable reading speed in words per minute.study