秦九韶-海伦公式

${math`S=sqrt(p*(p-a)*(p-b)*(p-c))`}

勾股定理

${math`a**2+b**2=c**2`}

约分

${ math`(a/b/c)*(b/d)=a/(c*d)` }

极限

${ math`limit(a**-n,n,+Infinity)` }

${ math`cos(theta,2)*E+(1 - cos(theta))*K'*K+sin(theta)*[0,-K_2,K_1;K_2,0,-K_0;-K_1,K_0,0]` }