Logarithmic Function And Exponential Function; Hyperbolic Function And Inverse Hyperbolic Function - LEXIBOOK GC2000 Owner's Manual

5. Coordinate conversion
This calculator can implement the conversion between rectangular coordinates and polar
coordinates.
The calculation result is saved in variable register I and J and the initial display is the data in
variable register I. Press to display the data in variable register J.
For polar coordinates, can be calculated from the range of –180° < < 180° and radian
and grad are calculated from the same range.