Button Description, JavaScript Methods & Keys
hex   Select number base & convert a value to [hex] !
dec   Select number base & convert a value to [dec] @
oct   Select number base & convert a value to [oct] #
bin   Select number base & convert a value to [bin] $
deg   Switch angle mode to [deg] [rad] [gra] %
beep   Turn on/off buttons' beep sound O,o
A   Enter hex number. [hex] mode only A,a
PWR   Exit Calculator   acos   Math.acos(n) C
asin   Math.asin(n) S atan   Math.atan(n) T
ln   Math.log(n) : [e] L,l e   Math.E : [dec] E,e
log   Math.log(Math.pow(n,Math.LOG10E)) : base[10] G,g
sin   Math.sin(n) s   Math.pow(n,2) X,x
cos   Math.cos(n) c   Math.sqrt(n) R,r
tan   Math.tan(n) t ^   Math.pow(n,m) ^
  Back space SP AC   Clear all screen ESC
9   Enter number 9 π   Math.PI P,p
÷   Enter operator / Ans   Last answer N,n
=   Execute formulas in the window ENT