Use SHIFT MODE 3 (Norm) to set the display to normal mode. Choose 1 for Norm1 or 2 for Norm2 . Independent Memory: Add value: Press M+ . Subtract value: Press SHIFT M+ (M-). Recall memory: Press RCL M+ (M). Programming and Formulas
"So," the boy summarized, "Use S⇔D for decimals, M+ for stats data, RCL for stats answers, FMLA for the cheat codes, and PROG for the custom stuff." casio fx50fh ii manual
Allows users to step back through previous calculations to edit and re-execute them easily. Use SHIFT MODE 3 (Norm) to set the display to normal mode