User Manual
Page 134
... total cost of the second value. For example to compute 4√81, enter 81 x√y 4 = which returns 40. To calculate a percentage, use it with an 8% sales tax, enter 500 + 8 % = which returns 81. x3 Cubes a value. Tap 2nd again to return the buttons to their inverse functions (sin-1, cos-1, tan-1, sinh-1, cosh...
... total cost of the second value. For example to compute 4√81, enter 81 x√y 4 = which returns 40. To calculate a percentage, use it with an 8% sales tax, enter 500 + 8 % = which returns 81. x3 Cubes a value. Tap 2nd again to return the buttons to their inverse functions (sin-1, cos-1, tan-1, sinh-1, cosh...