2.2.0

increase required PHP version

2.1.4

refactoring

2.1.3: added inner the function "if" working as the tenar operator

solved issue: https://github.com/optimistex/math-expression/issues/3

2.1.2

remove line breaks from a formula

2.1.1

fixed error on evaluate the empty formula

2.1.0

fix README

2.0.1.3

fix function order params

2.0.1.2

fix nested formulas

2.0.1.1

bugfix:
2+2*2=6

v2.0.1

fix file names