705 of 1,000 players

Curve Sprint is unlocked. 295 more to head-to-head Battles.

3141592653589

[1]Natural🇺🇸

102 / 4,000 XP into level 1. Playing since September 2026.

Levels: #42
Sprint: #42
Curve Sprint: unranked
Diverge: #54

League

Delta

1 promotion · 2 weeks played

3141592653589 Squiggles

75

Area Under the Curve · 6/36 collected

Little Sine

Zero

Little Delta

Epsilon

2day streak, best of 2.

Badges

3 of 58

✎↑⚑

Stats

Problems solved: 56
Time played: 50m

The rest is kept private.

A picture, ready for a story or a post. No link needed.

think you can beat 3141592653589?

Today's problem

\frac{d}{d x} [- 4 x - \frac{5}{x ^{2}}]

The hard one · double XP

For f (x, y) = 4 x^{2} + 2 x y^{2} - 11 y^{2}, find f_{xx} f_{y y} - (f_{x y})^{2} at (0, 2)