press A for addition press B for absolute value press M for multiplication press D for division press S for subtraction press C for square root edit the code to do 3 numbers press X to Add Subtract Multiply or Divide by the answer of last question 1 press E to find the circumference of a circle press F to find area of a circle.
Fractions don't work here so just divide the numerator into the denominator and the answer should be a decimal if proper fraction. use the decimal to do the math. The circumference and area for the circle are not 100% correct. Added list to see previous answer(s).
