90 Test file number 196

  90.1 Problem number 444
  90.2 Problem number 445
  90.3 Problem number 446
  90.4 Problem number 1315

Test folder name:

test_cases/7_Inverse_hyperbolic_functions/7.3_Inverse_hyperbolic_tangent/196_7.3.6_Exponentials_of_inverse_hyperbolic_tangent_functions