Update 'README.md'

README.md

@@ -18,7 +18,7 @@ The program requires no dependencies other than the nim standard library. Just r
 
 ### Dot Product
 
-```math
+$$
 \begin{align*}
 A \cdot B =
 \begin{bmatrix}
@@ -42,11 +42,11 @@ a_{21}b_{11} + \cdots + a_{2n}b_{n1} & a_{21}b_{12} + \cdots + a_{2n}b_{n2} & \c
 a_{m1}b_{11} + \cdots + a_{mn}b_{n1} & a_{m1}b_{12} + \cdots + a_{mn}b_{n2} & \cdots & a_{m1}b_{1p} + \cdots + a_{mn}b_{np} \\
 \end{bmatrix}
 \end{align*}
-```
+$$
 
 ### Cross Product
 
-```math
+$$
 \begin{align*}
 \vec{a} \times \vec{b} =
 \begin{vmatrix}
@@ -55,4 +55,4 @@ a_1 & a_2 & a_3\\
 b_1 & b_2 & b_3
 \end{vmatrix} = (a_2b_3-a_3b_2)i + (a_3b_1-a_1b_3)j+(a_1b_2-a_2b_1)k
 \end{align*}
-```
+$$