11 tools you can use right now

Stuck on a calc problem? Paste any derivative, integral, or limit and get the full worked solution with every step explained.

Got an equation you can't crack? Paste it in and get every real and complex solution verified and explained.

Want more practice before your exam? Generate unlimited problems at your level with full solutions to build confidence.

Need to see what a function looks like? Plot 2D and 3D graphs, find intersections, and zoom in on key behavior instantly.

Exam coming up? Automatically generate flashcards for formulas, theorems, and key concepts to drill with spaced repetition.

Need to find f'(x) fast? Plug in any function and see chain rule, product rule, and quotient rule applied step by step.

Struggling with integrals? Drop in any expression and see u substitution, integration by parts, and more solved with clear steps. now with grad level depth and verified step by step work

Linear algebra giving you headaches? Get matrix multiplication, inverses, determinants, and eigenvalues done in seconds.

Not sure if your proof holds up? Paste it in and get feedback on missing steps, logic gaps, and how to strengthen it.

Trig identities driving you crazy? Solve equations and verify identities with unit circle references and angle conversions.

Limits confusing you? Enter any expression and see L'Hopital's rule, squeeze theorem, or algebraic tricks applied step by step. now with grad level depth and verified step by step work

Dot products, cross products, magnitudes enter your 2D or 3D vectors and get results with visual representations.

Systems of equations piling up? Solve them with Gaussian elimination, Cramer's rule, or matrix methods your pick. now with grad level depth and verified step by step work

Combinations, permutations, or Bayes theorem got you stuck? Plug in your values and see the probability calculated clearly.

Have data that needs a trend line? Fit linear, polynomial, or exponential models and get R squared values instantly.

Snap a photo or paste a netlist get DC and AC steady state node voltages and branch currents with full step by step Modified Nodal Analysis.

Enter a time domain signal or data samples and get DFT/FFT magnitude and phase spectra, frequency bin breakdown, and step by step Fourier analysis.

Log rules tripping you up? Solve equations and simplify expressions with natural log, common log, and change of base.

Working with imaginary numbers? Do arithmetic in rectangular or polar form and convert between them with visual plots.

Enter a transfer function get magnitude and phase Bode plots, gain margin, phase margin, and step response with 9 textbook grade derivation steps.

Enter an open loop transfer function and get the complete root locus plot with gain values, breakaway points, and stability margins.

Need eigenvalues for a matrix? Get the characteristic polynomial, eigenvectors, and diagonalization worked out for you. now with grad level depth and verified step by step work

Analyze state space models (A, B, C, D matrices) compute eigenvalues, controllability/observability, step response, and convert to transfer function form.

ODE got you lost? Enter any first or second order differential equation and see the full solution method explained. now with grad level depth and verified step by step work

Convert discrete time sequences to the z domain (and back) with full partial fraction decomposition, ROC analysis, and step by step derivation.

Pick a topology (inverting/non inverting/differential/instrumentation) and target gain get E96 resistor pairs, frequency response, and slew rate analysis.

Generate Nyquist diagrams for a given transfer function with gain/phase margins, encirclements count, and stability verdict via the Nyquist criterion.

Pick filter type, family, order, and cutoff get coefficient table, pole zero plot, frequency response, and 8 step derivation.

Running a t test or chi square for class? Enter your data and get p values, test statistics, and a clear conclusion.

Need to solve a circuit, control system, or ODE via Laplace transforms? Convert between time and s domain with full step by step work, verified against your equation. now with grad level depth and verified step by step work

Plot impedance and admittance points on an interactive Smith chart compute reflection coefficients, VSWR, and transmission line matching networks.

Continuous and discrete convolution with symbolic integration and step by step working for signals, systems, and DSP coursework.

Design PID controllers via Ziegler Nichols or Tyreus Luyben, simulate the closed loop step response, and read off overshoot, settling time, and rise time.

Singular value decomposition with rank, condition number, and energy retention analysis the foundation behind PCA, image compression, and least squares.

Solve 1D heat and wave equations with FTCS / leapfrog finite difference, plus 2D Laplace via Fourier series, with stability checks and snapshots.

Convert between Z, Y, H, ABCD, and S parameters; compute voltage gain, input/output impedance, and reciprocity for any 2 port network.

PDF, CDF, mean, variance, and percentile queries for normal, binomial, Poisson, exponential, uniform, chi squared, t, gamma, and beta distributions.

Need a complete essay fast? AI generates well structured content on any topic and humanizes it to match natural writing patterns.

Upload your assignment as PDF, image, or doc and get a worked draft in your own writing voice to study from and build on.

Essay almost done? Catch grammar mistakes, fix sentence structure, and get a readability score before you hit submit.

Cross-references what your lecturer or trainer actually spent time on across your recorded sessions against the pattern of past papers, and tells you what is most likely to come up.

Builds practice from the questions you actually got wrong — pulled from your own quiz history and the flashcards you keep missing — so you drill your real weak spots instead of what you already know.

Upload your assignment brief or marking rubric and get the finished coursework, written to the top band of every criterion: an essay or report, a working spreadsheet with live formulas, or a presentation with speaker notes. Export straight to Word, Excel, PowerPoint or Google Docs, Sheets and Slides.

Don't lose points on formatting! Generate APA, MLA, Chicago, or Harvard citations instantly from your source info.

Writes a first draft that sounds like you, learned from writing you have actually produced before — not a generic tone setting. Works for essays, reports, emails and updates.

Canvas discussion post due tonight? Paste the prompt and rubric and get a perfectly voiced response that matches your natural writing style.

Explain a concept in your own words and get it checked against your own lecture transcripts and notes — showing exactly where your understanding drifts from the source material.

Dump your notes and slides in, pick a format (cheat sheet, formula sheet, or concept map), and get a dense single page study sheet with everything you need for exam day.

Want real time feedback on your essay? Get AI coaching with rubric scoring, grammar fixes, and structural suggestions.

Paste the assigned reading and get a thoughtful response that addresses key themes, arguments, and your own analysis, written in your natural voice so it sounds like you.

Compares everything you have uploaded, recorded and written notes on against the syllabus or curriculum, and shows what you have never actually covered.

A full study guide for any topic — calibrated to your level, with a complete answer key and a seven day revision plan.

Need to email your professor or write a peer review? Pick the type, give context, and get a polished response in your natural tone, humanized and ready to send.

Stuck staring at a blank page? Get AI suggestions for clarity, flow, and impact, like a writing tutor available 24/7.

AI wrote your essay but the citations are fake? Paste your text and get real, verifiable academic sources matched to each claim, formatted in APA, MLA, or Chicago.

Drop in a direct quote from any source and get a voice matched paraphrase that keeps the meaning but sounds like your own writing. See original vs paraphrased side by side.

Paste your professor's rubric and your draft. Get a real grade against the actual criteria, with per criterion letter grades, points, feedback citing specific evidence, top revision priorities, and strengths to keep.

Upload 2 to 3 old exams and spot the patterns your prof loves to reuse. See recurring topics, question types, and AI predicted questions for your next test.

Need your essay to look like it was written over time? Generate 3 to 5 progressive draft versions with realistic timestamps, a natural edit history if anyone checks.

Paste your rubric, set the due date and your daily hours, and get a realistic day by day schedule with specific action items and time estimates for each step.

Researching a topic? Gathers sources, pulls the key findings, and hands back an organised summary with citations you can check.

Research paper needs a works cited page? Enter your sources and get a properly formatted bibliography in any citation style.

Paste graded feedback from 2 to 3 assignments and discover what your professor really values. Get a "Prof Preferences Profile" with patterns, priorities, and an actionable checklist.

Don't know where to start? Generate a structured outline for argumentative, expository, or persuasive essays in seconds.

List your sources (titles, URLs, or DOIs) and get a full annotated bibliography with summary, evaluation, and relevance for each, formatted in APA, MLA, or Chicago and written in your voice.

Writing feel flat? Find passive voice, wordiness, and unclear phrasing so you can make your essays sharper and more engaging.

Turns any material into practice questions, pitched at the difficulty you ask for so revision actually stretches you.

Paper sound too basic? Upgrade your word choices with sophisticated alternatives to make your writing more academic.

Doing a linguistics or text mining project? Extract named entities, parts of speech, and semantic relationships from any text.

Flags passages in YOUR OWN draft that read as machine written, so you can rewrite them in your voice before you hand in.

Builds a realistic revision timetable around your deadlines, spacing topics so the hard ones get revisited before the exam.

Marks up a text the way you would by hand — key claims, definitions and turning points highlighted with a note on why each matters.

Reconstructs what you actually did over a review period from your meetings, calendar, email and notes, and writes the self-appraisal. You did not keep a brag doc. Backrow kept one for you.

Builds the weekly update you owe your manager or client from what actually happened — the meetings you sat in, the threads you moved, the things you shipped — instead of you trying to remember on a Friday.

Scans your connected inbox for every promise you made — the replies you owe, the things you said you would send, and who has been waiting longest — and hands you one ranked list instead of a scroll through six weeks of mail.

Drop in a brief, a document, or a handful of bullets and get a finished slide deck back — titled slides, ordered narrative, and speaker notes under each one, ready to present or paste into Slides.

Going on leave or moving roles? Builds the handover document from your real commitments, open threads, meetings and notes — what is in flight, who is waiting, and what breaks if nobody picks it up.

Describe what the presentation is about, pick a theme and a slide count, and get a full deck with speaker notes that you can edit slide by slide, reorder, restyle and download as PowerPoint.

SWOT assignment due tonight? Enter a business or project and get a structured Strengths, Weaknesses, Opportunities, and Threats analysis.

Student loans or finance homework? Calculate monthly payments with a full amortization schedule showing principal vs interest.

Entrepreneurship class project? Build a complete business plan with exec summary, market analysis, financials, and growth strategy.

Big case study due? Break it down with Porter's Five Forces, PESTLE, or Value Chain frameworks to ace the class discussion.

Real estate finance class? Calculate monthly payments, total interest, and compare different loan scenarios side by side.

Is the business actually profitable? Calculate gross, operating, and net margins to see how revenue converts to profit.

How many units to cover costs? Find the break even point with charts showing exactly when you start making profit.

Marketing class research project? Get survey templates, competitor frameworks, and customer segmentation tools to get started.

Need to compare project returns? Find the Internal Rate of Return and compare it to your required return to decide.

Time value of money, loan schedules, annuities and returns — worked through with the formula shown, not just the answer.

Analyzing a company for class? Get liquidity, profitability, and efficiency ratios calculated from the financials you enter.

How long to get your money back? Enter investment cash flows and see how many years until you recover the initial cost.

How leveraged is the company? Compare debt vs equity to assess financial risk and capital structure for your analysis.

Can the company pay its bills? Enter current assets and liabilities to check this key liquidity indicator instantly.

Valuing a company for a finance project? Project future cash flows and discount them back to present value with DCF analysis.

Breaks a market down the way a case study expects — competitors, positioning, trends and the forces acting on each.

Format JavaScript, TypeScript, JSX, TSX, HTML, CSS, JSON and SQL, then copy or download the result.

Got a wall of JSON? Beautify, validate, and minify it instantly. Catch syntax errors and explore nested structures.

Regex making your head spin? Build and test patterns with real time highlights, capture groups, and plain English explanations.

Wondering if your code is any good? Get complexity metrics, maintainability scores, and suggestions to write cleaner programs.

Code not working and you can't figure out why? Step through JS/TS execution, inspect variables, and trace the bug.

Getting cryptic error messages? Find syntax mistakes in your code with clear explanations of what went wrong.

Git confusing you? Learn branching, merging, rebasing, and common workflows with interactive examples and explanations.

Massive SQL query hard to read? Format it with proper indentation and keyword highlighting so you can actually debug it.

Building a web app? Test REST endpoints with GET, POST, PUT, DELETE requests and inspect JSON responses right here.

Walks an algorithm one step at a time, showing what changes on each pass so the mechanism stops being a black box.

Need element info fast? Click any element to see atomic properties, electron config, and common uses all in one place.

Can't balance that reaction? Enter the unbalanced equation and get correct stoichiometric coefficients automatically.

Acid base problems on the problem set? Calculate pH and pOH from concentrations with Ka/Kb dissociation support.

Need to find the limiting reagent or theoretical yield? Enter your reaction data and get mole ratios calculated step by step.

Looking for an element by a specific property? Search by name, symbol, electronegativity, melting point, or electron config.

Titration problems eating your time? Calculate equilibrium concentrations, Ka, Kb, and buffer pH with step by step work.

Redox confusing you? Enter any compound and see which atoms are oxidized and reduced with oxidation numbers assigned.

Starting from one color? Generate a cohesive 5 color palette and export as CSS, Tailwind, or design tool formats.

Will your design pass accessibility standards? Check color contrast ratios against AA and AAA requirements instantly.

Music theory homework? Learn scales, build chords, and understand intervals with an interactive theory reference.

Want colors that work together? Generate complementary, triadic, split complementary, and analogous schemes from any color.

Need the right fonts for your project? Find perfect pairings and create type scales with Google Fonts recommendations.

Turns an idea into a diagram — flows, structures and relationships drawn clearly enough to put in a report.

Energy conservation problem? Calculate KE, PE, and total mechanical energy with work energy theorem support.

Launching a projectile in physics? Get range, max height, time of flight, and a trajectory graph from your inputs.

Sound or light wave problem? Calculate frequency, wavelength, period, and wave speed with interference analysis.

Collision problem on the homework? Calculate momentum with p=mv and solve elastic or inelastic collision scenarios.

Lens or mirror problem? Use the thin lens equation to find focal length, magnification, and whether the image is real or virtual.

Keep losing marks in the same place? Paste your work and get the specific gaps named, with a plan to close them.

Struggling to see how a topic hangs together? Turn it into a map of concepts and the links between them.

Presenting soon? Get your structure, delivery and slides reviewed before you stand up in front of anyone.