"Got a question? 
Want to talk to me about it?"

Anser

Kedu

"Need help with
complex logical reasoning?"

Questi

Understand solutions through diagrams and graphs.

Automatically chooses diagrams or interactive visuals for the question.

Explore concepts and changes with interactive visuals.

Save the image with the rotation applied?

Save changes?

Want to learn this concept?

Create cards from an image

Open concept card

Key concepts organized by subject and unit, one card each.

Upload a problem or textbook image. AI automatically determines the subject and card type (concept or skill). This uses {credits, number} credits.

Create your own concept card from materials such as a book PDF or an image.

My Concepts

Concept Cards

Enter your coupon code to receive benefits.

Enter Coupon

Check the credits that will be used for this run.
Additional features are automatically discounted by your add-on plan.

Check the credits that will be used for this run.
Credits are consumed based on the options you selected.

Run {featureName}?

Confirm the credits to recharge and payment amount.

Recharge credits?

Interactive learning material

Fullscreen interactive learning material

Upload problem file

Delete chat

Delete all chats

Edit chat name

Share your chat

Edit library name

Share your library

Login Required

Pick Problem Image

Delete History

Edit History Name

This file was used to generate similar problems before. Do you want to continue?

Duplicate file detected

Shall we load problems 
from the library?

Shall we select this textbook?

Select the textbook pages
you want to create similar problems from

Select the variation type, number of 
similar problems, and grade level

Select the recognized problems 
and generate similar problems

Market twin-exam mode

Load a sample problem, review the options, then open the result yourself.

The sample problem is loaded. Review the options, then open the preview result.

Upload solution file

Experience the whole flow from generation to results.

New to similar problem generation?

It is newly reorganized into multiple types considering difficulty and trends.

Difficulty and solution structure changes

Advanced

Advanced Transformation

Creates problems by changing only the numbers.

Basic

Basic Transformation

Select transformation method

Review and select the questions from your originals, then generate them right away.

Processing method

Request once a day, up to 50 questions. We'll create your questions in the order requests arrive.

My queued generation history

Drop off your problems. We'll prepare them in order!

The same inputs, a different pace. Upload your originals and we'll create similar questions in the order requests arrive.

Add your problems, choices and solutions, then choose your variations.

What would you like us to prepare?

Drop off your problems.
We'll take it from here.

Name

Clear canvas

Copy to clipboard

Insert into editor

Handwriting Input

Master teacher: {title}

The Perfect AI Teacher for Me

Exam Report

Understand concepts easily with various math tools.

This is the kind of learning the tools make possible!

Here's how you explore!

Touch it, move it, build it —
and math starts making sense!

Math Tools

Stack blocks and build solid shapes!

Move and compare angles to understand degrees!

Fold a net and picture the solid!

Explore math more playfully with all kinds of tools!

Which math tool shall we try?

Use Math Tools right away, or sign in to try Kedu free 3 times a day.

Start free without signing in

Explore Questi's AI education tools, from problem solving and document conversion to similar-problem generation.

One academy per area. First to apply gets it.

Your area's exclusivity —

how much is <em>taken?</em>

More menus

Keep the menus you use often and arrange them in your preferred order.

Reorder

Selected menus

Home Menu

Learn More

Advanced Variation

Standard Variation

Compares your uploaded exam paper with your textbook questions and analyzes their similarity.

Book Page File Upload

LaTeX Guide

Handwritten solution

Report an Issue

This tab was stopped because another account signed in. Continue with the new account to restart safely from Home.

The account changed in another tab

Would you like to sign out there and continue signing in on this device?

You're already signed in on another device

Untitled page

Payment successful!

Find card ideas on pages {from}–{to}. Analysis starts after payment.

Analyze lesson pages

Only selected cards will be made. Finished cards go into the book folder in your collection.

Make {count} selected cards

{book} pages {from}–{to}

Lesson title

Leave blank to use the book and page range

Check lesson pages

The cost could not be checked

Checking the cost

Choose today’s page range.

The book, page range and conversation so far will be cleared. Card lists and cards you already made stay in your collection.

Start again from the beginning?

From your book to a card lesson

Pikaju · Lesson assistant

This PDF has {pages} pages. Prepay the analysis fee and {credits, number} credits for the first card. Analysis fees are non-refundable; only the card fee is refunded if no candidates are found or creation fails.

Register PDF book

School Exam DB

{conversationType, select, drill_exam {Tell me the units and difficulty you want. I will help from finding problems to finishing the exam.} textbook {Tell me the units and question counts you want. I will help organize the problems and finish the workbook.} other {Tell me what you want to create. I will help from start to finish.}}

{conversationType, select, drill_exam {Shall we build a drill exam together?} textbook {Shall we build your own workbook together?} other {Shall we create something together?}}

Select a previous conversation to continue it.

Conversation history

Search status

Problem Bank AI

These students will no longer be able to access this exam or submit answers. Existing submissions will be kept.

Revoke access for {count} students?

Manage assignments

Move folder

Folder name

Selected academies can view, search and use every question in this book in exams and textbooks. Editing and deleting the originals are not shared.

Academy access

Book chat

Read problems like a workbook page and ask the AI — "pick 5 easy problems" — to choose for you.

Book chat view is new

Book chat counts toward your Questi usage, so it is not available on the Free plan.
Credits alone do not unlock it.

Available on Basic and above

Active tasks

Top up your usage or upgrade your plan to keep using book chat.

Your Questi usage is used up

Try changing folder/tab/search conditions
or create a new DB.

No items match your conditions

No public problems match your current conditions.

No public DB problems to show.

Select one to add it to the active condition group.

Frequently used conditions

All conditions within a group must match; matching any one group is enough.

Problem search conditions

Choose where to search first. The conditions below apply within the selected database.

Search scope

Problems or folders you share will appear here.

No shared-by-me problems.

Problems or folders shared by others will appear here.

No shared-with-me problems.

Title

Select Yes to apply your changes, or No to close without applying them.

Apply the changes to your problem search conditions?

Locked problem

Exams used in (most recent)

Untitled exam

Choose candidates to create your own exam.

You have {count} exam candidates!

{itemCount} candidates · {selectedCount} selected

Create exam

You can register problems from the My DB card menu.

No community problems yet.

You can register your exams from the exam history page.

No community books yet.

Other users can save this problem to their DB for free.

Other users can save this exam and its problems for free.

Other users can save this problem to their DB after paying the credits you set.

Other users can save this exam and its problems after paying the credits you set.

Free items can be copied immediately. Paid items charge the buyer and credit the seller when purchased.

Choose whether other users can copy this problem for free or by paying credits.

Choose whether other users can copy this exam and its problems for free or by paying credits.

Register exam to Community DB

Register to Community DB

Subject

Copy problems shared by other users into your DB for free or with credits.

Community DB

Shown in the free DB for Gwangju members. It will not appear in the Jeonnam/Gwangju DB.

Standard analysis costs {standardCredit} credits per problem. Endnote-processed HWP/HWPX files cost only {endnoteCredit} credits per problem.

Credit usage

Upload the problem files you want to add to your DB.

File upload

During the event, each upload analysis type is charged at the displayed event price instead of the regular price.

Problem DB upload discount

Analysis and tagging of extracted problem-solution pairs

HWP · HWPX

Segmentation, analysis, tagging, and solution generation

Image · PDF

Automatically saves successfully analyzed problems as a new exam. You can continue editing it from your exam/textbook history.

Math Similar Problem Generation

What would you like us to prepare?

③① Select transformation method *

(Optional) Grade info

①② Problem Upload *

②③ Solution Upload (Optional)