Q62GDT32SWKAFJLH2GI6KSIFSM75VMJBQ7VVUGCEHUNY4ONB4FJQC
XG6YSY4RBVS7DANWFVVP7LNPDTSY6KZRRW4MXCDB2PTU3U2LHDDQC
VQMXEYWFTZ4X5CZ2X4IRFFX3MX3HXJIAICDSDR3SSNZJZI4DEFEAC
SZJQUQD3EHBJUNQC3UTVRFIY3RA7XPL64CZKIJ4LBMJFKUEZ6URAC
val prev = stack.removeLast().toDouble()
val prev = stack.removeAt(stack.lastIndex).toDouble()
.clickable { formula=formula.dropLast(1) }
.clickable { if (!formula.isEmpty()) { formula=formula.substring(0,formula.length-1) } }
versionCode = 4 versionName = "0.4"
versionCode = 4
versionName = "0.4"
versionCode = 7 versionName = "0.7"
versionCode = 7
versionName = "0.7"