Tag

Math

9 tools 2 AI tools

Tools9

Calculate the area of any shape — rectangle, circle, triangle, trapezoid and more — with formulas shown.

CI for mean + proportion

Slope + intercept + r + R² + scatter

Calculate percentages, discounts, tips and changes — the fastest percentage tool online.

nPr, nCr, factorial (BigInt)

ax^2+bx+c=0 real + complex

Mean, SD, variance, quartiles

SSS/SAS/ASA/AAS/SSA

Standard score + percentile + p-value

AI tools2

China's frontier open-source LLM that matched GPT-4 quality at a fraction of the training cost.

Frontier-tier chat from DeepSeek, free at the consumer tier