Casio Fx-50fh Ii User Manual May 2026

Most users think they need to press MODE then EQN for every equation. Instead, use CALC for repeated evaluation of the same formula (e.g., quadratic, compound interest, projectile motion).

How to do it (from manual, p. 2-12 to 2-14):

Helpful tip: Use ALPHA then X,Y,A,B,C,D,M as variables. The calculator remembers them even after power off. casio fx-50fh ii user manual

Many students toss the manual aside thinking, “I already know how to type in numbers.” That’s a mistake. The fx-50FH II is different from basic calculators in three key ways:

Skipping the manual means you’ll waste exam time hunting for keys. Most users think they need to press MODE

This calculator lets you write 4 programs (max 680 bytes total). The manual (Chapter 8) explains this, but lacks good examples.

Helpful workflow:

Example program for quadratic roots: ?→A:?→B:?→C: (-B+√(B²-4AC))÷(2A)→X◢ (-B-√(B²-4AC))÷(2A)→Y Then run with MODE 5 → 2 (RUN) → select program.

Example program (quadratic solver):

? → A : ? → B : ? → C
B² - 4AC → D
(-B + √D) ÷ (2A) ◄
(-B - √D) ÷ (2A)

The fx-50FH II allows for user-defined programs, a feature that elevates it above standard scientific calculators. The manual dedicates a significant chunk of space to this, and it is arguably the most technical part of the document.