18/10 (ver 4.0.1)
* bug fix in constants (when creating a
custom formula) inadvertently introduced in the previous
update
05/10 (ver 4.0.0)
* added Integer Sequences (Fibonacci
Numbers, Catalan Numbers and Polygonal Numbers) to the Reference
Section
* Calculus (Derivative and Indefinite
Integral) - after the calculation, long press the output display to
show a graph of the input and result