READ is used with a DATA statement to read values. DATA is the list of values used in the READ statement. GO TO changes the sequence order of a program. IF THEN conditional statement that decides if the program will change. END stops the program.
LIST lists the program presently in use.
RUN is the signal to start the computer running. A REM statement is used to make a remark or comment about the program without affecting the program. It doesn t matter how many REM statements are used in a program. This LET statement assigns the variables values. 300 Line 400 LET tells the computer the formula for the variables.