705 of 1,000 players

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

blahdah

[54]Natural🇹🇭

3,020 / 4,000 XP into level 54. Playing since September 2026.

Levels: #1
Sprint: #2
Curve Sprint: unranked
Diverge: #2

League

Secant

2 promotions · 3 weeks played

blahdah Squiggles

700

Area Under the Curve · 16/36 collected

Power Tower

e-lephant

Integral Eel

Quotient Koala

2day streak, best of 18.

Badges

23 of 58

✎∿≡△Σ⌛↑↑≫▲∅↓»∆⌀⇈⋙⇓∫⇑⊤⚑✹

Stats

Problems solved: 1,981
Time played: 15h 53m

The rest is kept private.

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

think you can beat blahdah?

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)