here is the link to the API which i have created using python. This API can be utilized for expression scanning using python.
How to Use this API :
a : Addition Operator
- : Subtraction Operator
* : Multiplication Operator
n : unary negative
/ : Division Operator
s : Sine Function
c : Cosine Function
t : Tangent Function
S : arcsin Function
C : arccosine Function
T : arctangent Function
e : Exponential Function
p : value of pi
E : logarithm of a number with base e.
f : factorial operation.