Casio FX-991ES vs Casio FX-991ES Plus

3.15 in

0.48 in

3.15 in

0.44 in

Available colors

User rating

Video Comparisons (3)

Units:

Technical details
	Casio FX-991ES	Casio FX-991ES Plus
Type	Scientific calculator	Scientific calculator

Display
	Casio FX-991ES	Casio FX-991ES Plus
Number of characters per line	12	15
Number of display lines	2	4
Display type	Dot-matrix	Dot-matrix
Display tilting	no	yes
Second display	no	no
Display light	no	no

Connectivity
	Casio FX-991ES	Casio FX-991ES Plus
Data transfer	no	no

Power
	Casio FX-991ES	Casio FX-991ES Plus
Power source	Solar Battery	Solar Battery
Battery operated	yes	yes
Battery type	AAA	LR44
External power connection	Solar cell	Solar cell USB External source

Pros & Cons
Pros
Cons

erin
over 1 year ago
If you want to know the best among these two calculators i.e. Casio 991EX and 991ES plus, then I suggest you to go for Casio 991EX. It is the fastest calculator ever by Casio. It is almost 4 times faster than 991ES Plus. It has almost 4 times screen resolution as compared to 991ES Plus.
jc
over 1 year ago
They're essentially the same calculator from the looks of things, the PLUS version is just easier on the hands (improved ergonomics) and it's more difficult to hit the wrong buttons (enhanced button colouring).
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