Enter STAT mode and choose your type (SD for single variable, REG for paired variables). Use the M+ key to input data points.
Use the ab/c key to input fractions. Press SHIFT then ab/c to toggle between improper and mixed fractions.
Simply press the Prog key followed by the number of the slot (1-4) you wish to execute. Using Built-in Formulas
The calculator comes pre-loaded with 23 built-in formulas, covering common physics and math scenarios. Press the FMLA key. Navigation: Use the arrow keys to scroll through the list.
Press SHIFT then 1 (S-SUM) for totals or SHIFT then 2 (S-VAR) for mean and standard deviation. Maintenance Tips
Easily switch between Polar (Pol) and Rectangular (Rec) coordinates using the dedicated function keys. Programming Features
Once you find the formula (e.g., Quadratic Formula), press EXE and input the required variables when prompted. Statistics and Regression For data analysis, the STAT mode is essential.
Use SHIFT then 9 (CLR) to reset setup, memory, or the entire system. Core Mathematical Functions
The fx-50FH II handles everything from basic arithmetic to calculus.
If the calculator behaves erratically, use a thin object to press the RESET button on the back.