diff --git a/README.md b/README.md
index 238c41e..0188933 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,7 @@ Access individual constants:
format long;
const.R % Molar gas constant
% >> 8.314462618153240
+
const.NA % Avogadro constant
% >> 6.02214076e+23
```
@@ -45,6 +46,7 @@ Constants have SI units unless the variable name ends in _inUnit_:
```matlab
const.hbar % Reduced Planck constant in SI units (J s)
% >> 1.054571817646156e-34
+
const.hbarineVseconds % Reduced Planck constant in eV s
% >> 6.582119569509066e-16
```
@@ -147,8 +149,10 @@ Access individual properties:
```matlab
const.me.value % Value of the electron mass
% >> 9.1093837139e-31
+
const.me.uncty % ... its associated uncertainty
% >> 2.8e-40
+
const.me.unit % ... and units
% >> "kg"
```
@@ -203,8 +207,10 @@ Load values for all datasets (from oldest to most recent):
const = Constants('value', 'all');
const.h(1) % 1998 value of the Planck constant
% >> 6.62606876e-34
+
const.h(4) % 2010 value of the Planck constant
% >> 6.62606957e-34
+
const.h(end) % Current (2022) value of the Planck constant
% >> 6.62607015e-34
```
@@ -219,6 +225,8 @@ const.alpha % Properties and metadata for the fine-structure constant (1998 to
Output:
```console
+ struct with fields:
+
id: 'fine-structure constant'
year: [1998 2002 2006 2010 2014 2018 2022]
value: [0.007297352533000 0.007297352568000 0.007297352537600 0.007297352569800 0.007297352566400 … ] (1×7 double)
@@ -309,6 +317,7 @@ sconst = Constants('sym');
u = symunit;
speed = unitConvert(sconst.c, u.km/u.year) % Speed of light in vacuum in km/year
% >> (47303652362904/5)*([km]/[year_Julian])
+
double(separateUnits(speed)) % Extract value and convert to double
% >> 9.460730472580801e+12
```
@@ -320,8 +329,9 @@ double(separateUnits(speed)) % Extract value and convert to doubl
According to Planck's blackbody radiation law, the proportionality constant between the total power flux and _T_4 is given by σ = 2 π5 _k_4 / (15 _c_2 _h_3) :
```matlab
-sigma = sym('2') * sym(pi)^sym('5') * sconst.k^sym('4') / ...
-(sym('15') * sconst.c^sym('2') * sconst.h^sym('3') )
+sigma = sym('2')*sym(pi)^sym('5')*sconst.k^sym('4') / ...
+ (sym('15')*sconst.c^sym('2')*sconst.h^sym('3'))
+
% Compare this with the (exact and irrational) Stefan-Boltzmann constant from 'Constants'
sconst.sigma
```
@@ -350,6 +360,7 @@ MATLAB thinks they are different, perhaps because `sigma` has messy units. Let's
```matlab
sigma = simplify(sigma)
+
checkUnits(sigma == sconst.sigma)
```
@@ -357,6 +368,7 @@ Output:
```console
0.000000056703744191844294539709967318892*(([Hz]*[kg])/([K]^4*[s]^2))
+
Consistent: 1
Compatible: 1
```