**A Quick Look at the Casio fx-50FH Plus (and quick comparison to the fx-3650p)**

Recently I purchased a Casio fx-50FH Plus solar programming
calculator on eBay. I purchased a used
model in the United States. The Casio
fx-50FH Plus is a solar programming calculator, that is unfortunately, not available
in stores in the United States.

The fx-50FH Plus and its variants are H.K.E.A.A. approved,
meaning that they are approved for certain certification exams in Hong Kong. As far as I could tell from Casio’s worldwide
site, (link: http://www.casio-intl.com/asia-mea/en/calc/scientific/programmable/fx50fh/?m_no=166
), the variants are the same.

I really like these solar programming calculators from Casio
and wish they did sell here in the U.S. I
am also really like the screen on the fx-50FH Plus: the text on both lines are
BIG! (see the picture above)

**The Basics**

It is a two line calculator (no math print) that allows up
to four programs. What is an outstanding
feature of the fx-50FH is its library of 40 constants and 23 built in formulas. The fx-50FH also has the standard base
conversions and operations (DEC, BIN, OCT, HEX), complex number arithmetic, seven
memory registers (A,B,C,D,X,Y,M), and fractions.

**The fx-50FH vs. the fx-3650P**

So what are the differences?

Casio fx-3650P on the left, fx-50FH Plus on the right |

Calculus: The
fx-3650p has a numerical integration function while the fx-50FH doesn’t.

Statistics: Both have
the following regression models: Linear, Logarithmic, Power, Inverse, and
Quadratic. The fx-50FH has two types of
exponential: e (y = a*e^(b*x)) and ab (y = a*b^x). The fx-3650p has the ab type.

Programming: The
fx-50FH Plus has 680 program steps allocated to as many as four program areas,
opposed to the 360 for the fx-3650p.
Only the fx-50FH has the If-Then-Else-IfEnd structure, While-WhileEnd
structure, and the For-To-Step-Next structures.
Powerful stuff for a programmable non-graphing calculator (like the
Casio fx-5800p).

At first site, I am impressed and am looking forward to
playing with the fx-50FH in the future.
If am not mistaken, the fx-50FH Plus an updated of the fx-50F. (a 680 byte memory is a big step up from just
29 for the 1987 original).

Until next time,

Eddie

This blog is property of Edward Shore, 2016.

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