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Impartial price comparison

Casio FX-991EX vs. Casio FX-CG50 + 8

Casio FX-991EX

Casio FX-991EX

£22.80

£29.89 Incl. delivery
Casio FX-CG50

Casio FX-CG50

£98.99

Free delivery
Casio FX-991ES Plus

Casio FX-991ES Plus

£7.80

£13.78 Incl. delivery
Sharp EL-334F

Sharp EL-334F

£9.99

£14.48 Incl. delivery
Casio FX-83ES Plus

Casio FX-83ES Plus

£15.14

£20.35 Incl. delivery
Casio MS-80VER

Casio MS-80VER

£9.89

£12.89 Incl. delivery
Casio FX-85GT Plus

Casio FX-85GT Plus

£12.07

£15.44 Incl. delivery
Texas Instruments TI‑84 Plus CE-T

Texas Instruments TI‑84 Plus CE-T

£110.88

£130.00 Incl. delivery
Casio MX-8

Casio MX-8

£4.68

£5.99 Incl. delivery
Colour/ material
White, Black, Silver, Grey
White, Black, Grey, Blue
White, Black, Silver, Grey
White, Silver, Grey
Black, Green, Blue
Black, Silver
Black, Silver, Grey, Blue
White, Black, Silver, Pink, Grey, Blue
Black, Silver
White, Black, Silver
Dimensions (WxHxD)
Depth
11.1 mm
89.5 mm
11.1 mm
150 mm
32 mm
145 mm
11 mm
137 mm
Height
165.5 mm
5 mm
162 mm
15 mm
245 mm
30.7 mm
162 mm
23 mm
31 mm
Width
77 mm
89 mm
80 mm
105 mm
155 mm
103 mm
80 mm
84 mm
103 mm
Product weight
90 g
230 g
95 g
210 g
220 g
120 g
90 g
105 g
Eco labels
Features
Economic functions, Equation solver, Complex functions, Matrices, Statistical functions
Programmable, Colour screen, CAS (Computer Algebra System), Economic functions, Statistical functions
Programmable, CAS (Computer Algebra System), Economic functions, Equation solver, Complex functions, Matrices
Economic functions
Economic functions, Currency Converter
Equation solver, Complex functions, Statistical functions
Display light, Watch, Programmable, Calendar, Colour screen, Equation solver, Complex functions, Matrices, Statistical functions
Display characters/line
16 ​
8 ​
16 ​
10 ​
12 ​
8 ​
12 ​
26 ​
1 ​
Display Lines
4 ​
8 ​
4 ​
1 ​
1 ​
1 ​
10 ​
1 ​
Type
Calculator
Graphing calculator
Calculator
Calculator
Graphing calculator
Graphing calculator
Calculator
Calculator
Graphing calculator
Calculator
Graphing feature
3D graphics
Parametric graphs, Polar graphs, Recursively defined sequences, Differential Equations, Split screen, Rectangular graphs
RAM (total)
61 kB
154 kB
RAM (usable)
ROM memory (usable)
Battery operated
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Battery type
LR44
R3 (AAA)
LR44
LR54
LR44
Li-Ion
LR54
External power connection
Solar cell
USB, Solar cell
USB, Solar cell
External source (12-230V), Solar cell
Solar cell
External source (12-230V), Solar cell
Solar cell
USB
External source (12-230V), Solar cell