AC stands for all clear on a calculator
The previous answer was unfortunately misleading--there IS a key that serves the same purpose as the carrot key: "[yx]" key (directly below the "[off]" key), function exactly like carrot.
On my calculator it is the same key as the log key, but you have to press the "Shift" key first. It is shown as 10â– .
The Life Purpose Calculator by Dan Millman can be found at his website. This calculator uses your birthday, starting with the year, and calculates what your primary purpose in life is.
It depends on the calculator. It could be "Rnd".
CA on an electronic calculator usually stands for "Clear All" or "Clear All Entries." Pressing the CA button will clear all calculations or data stored in the calculator's memory. It essentially resets the calculator to its starting state.
clear
the power key turns on and off
Generally All Clear, though it is usually CA for Clear All. This clears the display and all internal registers except possibly (M+, MR) memory, which is cleared separately with the CM key.
All Clear
all clear
Clear All.