diff --git a/uni/mmme/2047_thermodynamics_and_fluid_dynamics/pumps.md b/uni/mmme/2047_thermodynamics_and_fluid_dynamics/pumps.md
index c30d2a2..d412f2a 100755
--- a/uni/mmme/2047_thermodynamics_and_fluid_dynamics/pumps.md
+++ b/uni/mmme/2047_thermodynamics_and_fluid_dynamics/pumps.md
@@ -51,7 +51,7 @@ Turbomachinery are rotating devices that add (pump for liquids; fan, blower, or
 Derivation in slides (p. 23-25).
 
 \begin{align}
-\frac{w_s}{g} - \left(\frac{u_2-_1-q}{g}\right) = \left(\frac{p_2}{\rho g} + z_2 + \frac{v_2^2}{2g}\right) -\left(\frac{p_1}{\rho g} + z_1 + \frac{v_1^2}{2g}\right) \\
+\frac{w_s}{g} - \left(\frac{u_2-_1-q}{g}\right) &= \left(\frac{p_2}{\rho g} + z_2 + \frac{v_2^2}{2g}\right) -\left(\frac{p_1}{\rho g} + z_1 + \frac{v_1^2}{2g}\right) \\
 H_s - H_f &= H = H_{T,2} - H_{T,1} \nonumber
 \end{align}
 
@@ -136,17 +136,17 @@ $$P = f_2(Q, D, n, \rho, \mu, \epsilon)$$
 Pi-theorem allows the following coefficients to be derived:
 
 \begin{align}
-\Pi_1 &= C_H = \frac{gH}{n^2D^2} &\text{Head coefficient}
-\Pi_2 &= C_P = \frac{P}{\rho n^3D^5}&\text{Power coefficient}
-\Pi_3 &= C_Q = \frac{Q}{nD^3}&\text{Capacity coefficient}
-\Pi_4 &= \text{Re} = \frac{\rho nD^2}{\mu}&\text{Reynolds Number}
+\Pi_1 &= C_H = \frac{gH}{n^2D^2} &\text{Head coefficient} \\
+\Pi_2 &= C_P = \frac{P}{\rho n^3D^5}&\text{Power coefficient} \\
+\Pi_3 &= C_Q = \frac{Q}{nD^3}&\text{Capacity coefficient} \\
+\Pi_4 &= \text{Re} = \frac{\rho nD^2}{\mu}&\text{Reynolds Number} \\
 \Pi_5 &= = \frac{\epsilon}{D}&\text{Roughness Parameter}
 \end{align}
 
 Therefore it can be expressed that:
 
 \begin{align*}
-C_H &= g_1(C_Q, \text{Re}, \frac{\epsilon}{D}
+C_H &= g_1(C_Q, \text{Re}, \frac{\epsilon}{D} \\
 C_P &= g_2(C_Q, \text{Re}, \frac{\epsilon}{D}
 \end{align*}
 
@@ -159,7 +159,7 @@ Similar pumps are those which have the same design, other than the dimensions.
 Therefore it can be written that:
 
 \begin{align*}
-C_H &\approx g_3(C_Q)
+C_H &\approx g_3(C_Q) \\
 C_P &\approx g_4(C_Q)
 \end{align*}
 
diff --git a/uni/mmme/2047_thermodynamics_and_fluid_dynamics/turbines.md b/uni/mmme/2047_thermodynamics_and_fluid_dynamics/turbines.md
index a23da9e..b14c76d 100755
--- a/uni/mmme/2047_thermodynamics_and_fluid_dynamics/turbines.md
+++ b/uni/mmme/2047_thermodynamics_and_fluid_dynamics/turbines.md
@@ -21,9 +21,9 @@ There are two types of turbines:
 The dimensionless groups are the same as in pumps:
 
 \begin{align}
-C_H &= \frac{gH}{n^2D^2} &\text{Head coefficient}
-C_P &= \frac{P}{\rho n^3D^5}&\text{Power coefficient}
-C_Q &= \frac{Q}{nD^3}&\text{Capacity coefficient}
+C_H &= \frac{gH}{n^2D^2} &\text{Head coefficient} \\
+C_P &= \frac{P}{\rho n^3D^5}&\text{Power coefficient} \\
+C_Q &= \frac{Q}{nD^3}&\text{Capacity coefficient} \\
 \end{align}
 
 However, in a turbine the efficiency is written as: