Tarcy
AI math tutor · ages 13–18

Understand,
don't just answer.

Tarcy works every problem out step by step. Tap any step you don't follow and it opens a mini-lesson on just that step — as deep as you need to go.

Free to download. iOS 16+ and Android 10+.

9:41
Wednesday evening
Hi, Maya
12 days
Type or paste a problem
AlgebraCalculusWord problems
RecentNotebook
x² + 5x + 6 = 0
3 steps · drilled once
d/dx (3x² · sin x)
4 steps · drilled 3×
A train leaves at 14:20 going 80 km/h…
5 steps · not drilled
Home
Notebook
Profile
9:41
Quadratic formula
2x² + 3x − 5 = 0 · step 3 of 5
Save
Step 1
a = 2,  b = 3,  c = −5
?
Step 2 · selected
x = (−b ± √(b² − 4ac)) / 2a
?
Tap ? to understand this step
Step 3 · writing
b² − 4ac = 9 + 40 = 49
answer stays hidden until the working is done
“Now find the discriminant — the part under the square root. It tells us what kind of answers to expect.”
1×1.5×2×
Steps
Your notebook

Every problem you've worked, still with you.

Tarcy keeps a running notebook of everything you've solved. Come back the night before a test and re-drill just the steps you flagged — not the whole problem.

9:41
Wednesday evening
Hi, Maya
12 days
Type or paste a problem
AlgebraCalculusWord problems
RecentNotebook
x² + 5x + 6 = 0
3 steps · drilled once
d/dx (3x² · sin x)
4 steps · drilled 3×
A train leaves at 14:20 going 80 km/h…
5 steps · not drilled
Home
Notebook
Profile
Deep as you need

Tap once. Get a mini-lesson on just that step.

A soft ? sits beside every finished step. Tap it and Tarcy explains just that step — nothing else. Miss a step inside the lesson? Tap again and go deeper.

9:41
TarcySkip
3x² − 12 = 0?
divide both sides by 3?
x² = 4?

Tap any step you don't understand

A soft “?” sits beside every finished step. Tap it and Tarcy teaches just that step — nothing else.

Next
Inside the app

A chalkboard in your pocket.

Every screen keeps the working in the foreground — steps you can tap, drill into, and keep coming back to.

9:41
Wednesday evening
Hi, Maya
12 days
Type or paste a problem
AlgebraCalculusWord problems
RecentNotebook
x² + 5x + 6 = 0
3 steps · drilled once
d/dx (3x² · sin x)
4 steps · drilled 3×
A train leaves at 14:20 going 80 km/h…
5 steps · not drilled
Home
Notebook
Profile
Your notebook, always with you
9:41
Quadratic formula
2x² + 3x − 5 = 0 · step 3 of 5
Save
Step 1
a = 2,  b = 3,  c = −5
?
Step 2 · selected
x = (−b ± √(b² − 4ac)) / 2a
?
Tap ? to understand this step
Step 3 · writing
b² − 4ac = 9 + 40 = 49
answer stays hidden until the working is done
“Now find the discriminant — the part under the square root. It tells us what kind of answers to expect.”
1×1.5×2×
Steps
Working out, one step at a time
9:41
TarcySkip
3x² − 12 = 0?
divide both sides by 3?
x² = 4?

Tap any step you don't understand

A soft “?” sits beside every finished step. Tap it and Tarcy teaches just that step — nothing else.

Next
Tap any step you don't follow

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