🔺 Trigonometry
sin, cos, tan, asin, acos, atan, sinh, cosh, tanh, asinh, acosh, atanh
🔢 Combinatorics
nCr, nPr, gcd, lcm, factorial (!)
⚡ Power & Roots
x^y, x^^y (tetration), √, ³√, ⁿ√
📊 Logarithms
log, ln, log₂, exp
🎯 Rounding
round, ceil, floor, abs, sign
🔣 Constants
π (pi), e, φ (phi), τ (tau), i
💡 Tip: Use keyboard shortcuts - Enter to calculate, Esc to clear, Backspace to delete