One button (AC) clears your whole equation you typed in, and the other button (CE or C) clears the equation on the screen, for example, you typed in 23*4 but meant it to he 23*5, you could press the CE button to clear out the 4 and retype in the correct equation.
Yes - often there are two buttons labelled "C", and "CE". "CE" (clear entry) will delete the last number, while "C" will clear the entire calculation. Details, of course, may vary among different models of calculators.
some people are used to using the bottom right one as a calculator
Yes, You wouldn't be able to do too much with a calcultor with no buttons...
by buttons.....
adding
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
1, 2 and + are 3 buttons.
AC stands for all clear on a calculator
A scientific calculator typically has around 45 to 50 buttons, including numerical keys, mathematical function keys (such as addition, subtraction, multiplication, division), memory keys, trigonometric function keys, logarithmic function keys, and more. The exact number of buttons may vary slightly depending on the specific model and brand of the calculator.
All Clear
all clear