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for every learner,
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Why OLi works

Personalised tutoring at global scale.


OLi delivers the proven effectiveness of 1-to-1 tutoring that is affordable, adaptive, and available anywhere on Earth.

Adaptive Intelligence

Learns every learner's pace, gaps, and goals, then adjusts in real time to keep you in the optimal learning zone.

Multilingual & Cultural

24/7 availability across languages and cultural contexts, anywhere on Earth. Learning without borders.

Built for work and life

Interviews, sales calls, certifications and the skills your job now expects.

Multimodal Input

Voice, chat, and live screen sharing. OLi meets learners where they are - no friction, just learning.

See it in action

Built for how
you actually learn.

Mastery score
Integration
trending_up23% this week
OLi — Your Learning Dashboard
Good afternoon, Alex. Ready to continue? You're on a 14-day streak, don't break it now!
Based on where you left off, I've set up today's session:
Today's sessionQuadratic equations  review & extend · Est. 25 min · Adaptive difficulty
You've mastered 47 concepts so far. Your weakest area right now isintegration by parts— want to tackle that first?
I can see you have f(x) = x² + 3x - 4 on your screen. Want me to walk you through finding the roots?
A
Yes, help me find the roots!
Before I show you — what methods do you already know for finding roots of a quadratic?
A
Factoring and the quadratic formula?
Exactly. Let's factor — what two numbers multiply to -4 and add to 3?
screen_shareScreen sharing active
I can see you're working through a quadratic equation. Go ahead — ask me anything out loud.
mic
"Can you explain what the discriminant tells us about the roots?"
Great question. The discriminant — b² − 4ac — tells you how many real roots exist. For the equation on your screen, let me calculate it now...
Question 2 of 5
What does a negative discriminant (b² − 4ac < 0) tell you about a quadratic?
Your answerIt has no real roots — two complex rootscheck_circle
check_circleCorrect!
When b²−4ac < 0, the square root term produces complex numbers — the parabola never crosses the x-axis.
Study streak
14 days
local_fire_departmentPersonal best
Current topic
Quadratics
auto_storiesSession #47
OLi — Conversational Tutoring
Good afternoon, Alex. Ready to continue? You're on a 14-day streak — don't break it now.
Based on where you left off, I've set up today's session:
Today's sessionQuadratic equations — review & extend · Est. 25 min · Adaptive difficulty
You've mastered 47 concepts so far. Your weakest area right now isintegration by parts— want to tackle that first?
I can see you have f(x) = x² + 3x - 4 on your screen. Want me to walk you through finding the roots?
A
Yes, help me find the roots!
Before I show you — what methods do you already know for finding roots of a quadratic?
A
Factoring and the quadratic formula?
Exactly. Let's factor — what two numbers multiply to -4 and add to 3?
screen_shareScreen sharing active
I can see you're working through a quadratic equation. Go ahead — ask me anything out loud.
mic
"Can you explain what the discriminant tells us about the roots?"
Great question. The discriminant — b² − 4ac — tells you how many real roots exist. For the equation on your screen, let me calculate it now...
Question 2 of 5
What does a negative discriminant (b² − 4ac < 0) tell you about a quadratic?
Your answerIt has no real roots — two complex rootscheck_circle
check_circleCorrect!
When b²−4ac < 0, the square root term produces complex numbers — the parabola never crosses the x-axis.
Concepts covered
3 today
check_circleGap closed
Screen share
Active
screen_shareOLi can see screen
OLi — Voice & Screen Session
Good afternoon, Alex. Ready to continue? You're on a 14-day streak — don't break it now.
Based on where you left off, I've set up today's session:
Today's sessionQuadratic equations — review & extend · Est. 25 min · Adaptive difficulty
You've mastered 47 concepts so far. Your weakest area right now isintegration by parts— want to tackle that first?
I can see you have f(x) = x² + 3x - 4 on your screen. Want me to walk you through finding the roots?
A
Yes, help me find the roots!
Before I show you — what methods do you already know for finding roots of a quadratic?
A
Factoring and the quadratic formula?
Exactly. Let's factor — what two numbers multiply to -4 and add to 3?
screen_shareScreen sharing active
I can see you're working through a quadratic equation. Go ahead — ask me anything out loud.
KJ
"Can you explain what the discriminant tells us about the roots?"
Great question. The discriminant — b² − 4ac — tells you how many real roots exist. For the equation on your screen, let me calculate it now...
Question 2 of 5
What does a negative discriminant (b² − 4ac < 0) tell you about a quadratic?
Your answerIt has no real roots — two complex rootscheck_circle
check_circleCorrect!
When b²−4ac < 0, the square root term produces complex numbers — the parabola never crosses the x-axis.
Voice session
Live
micListening...
Quiz progress
2 of 5
bolt80% correct
OLi — Adaptive Quiz
Good afternoon, Alex. Ready to continue? You're on a 14-day streak — don't break it now.
Based on where you left off, I've set up today's session:
Today's sessionQuadratic equations — review & extend · Est. 25 min · Adaptive difficulty
You've mastered 47 concepts so far. Your weakest area right now isintegration by parts— want to tackle that first?
I can see you have f(x) = x² + 3x - 4 on your screen. Want me to walk you through finding the roots?
A
Yes, help me find the roots!
Before I show you — what methods do you already know for finding roots of a quadratic?
A
Factoring and the quadratic formula?
Exactly. Let's factor — what two numbers multiply to -4 and add to 3?
screen_shareScreen sharing active
I can see you're working through a quadratic equation. Go ahead — ask me anything out loud.
mic
"Can you explain what the discriminant tells us about the roots?"
Great question. The discriminant — b² − 4ac — tells you how many real roots exist. For the equation on your screen, let me calculate it now...
Question 2 of 5
What does a negative discriminant (b² − 4ac < 0) tell you about a quadratic?
Your answerIt has no real roots — two complex rootscheck_circle
check_circleCorrect!
When b²−4ac < 0, the square root term produces complex numbers — the parabola never crosses the x-axis.
Knowledge gap
Closing
trending_up+15% this session
Meet the team

The people behind.
OLi.

We're a small, focused team of educators, engineers and designers who believe every learner deserves a brilliant tutor in their corner.

Nathan Barkell
Co-Founder and CEO

Educator, founder, and commercial lead. The vision and the drive behind OLi.

Focus areas
EducationVision
Commercial
Mark Elliott
Co-Founder, Technology

Technology and platform scalability. Engineering the infrastructure for global reach.

Focus areas
TechnologyInfrastructure
Scalability
Alex Burton
Head of Product

Operations, products, and execution. Turning strategy into shipped product.

Focus areas
OperationProduct
Execution
Sev Mozhaev
Head of Marketing

Creator-led growth and audience reach. 1.6M followers and growing.

Focus areas
GrowthAudience
Creator