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Impartial price comparison

Canon X Mark I vs. Casio FX-CG50 + 9

Canon X Mark I

Canon X Mark I

£20.76

£26.74 Incl. delivery
Casio FX-CG50

Casio FX-CG50

£111.67

£118.65 Incl. delivery
Casio FX-85GT Plus

Casio FX-85GT Plus

£12.07

£15.44 Incl. delivery
Casio FX-991ES Plus

Casio FX-991ES Plus

£7.80

£13.78 Incl. delivery
Casio FX-991EX

Casio FX-991EX

£21.90

£21.99 Incl. delivery
Rebell PDC 20

Rebell PDC 20

£25.99

Free delivery
Texas Instruments TI‑84 Plus CE-T

Texas Instruments TI‑84 Plus CE-T

£120.95

£125.95 Incl. delivery
Casio FX-83ES Plus

Casio FX-83ES Plus

£15.14

£21.12 Incl. delivery
Casio MS-80VER

Casio MS-80VER

£7.93

£12.89 Incl. delivery
Casio FX-9750G II

Casio FX-9750G II

£30.00

Free delivery
Casio FX-85GT

Casio FX-85GT

£10.99

Free delivery
Colour/ material
White, Black, Silver, Pink, Blue
White, Black, Grey, Blue
White, Black, Silver, Pink, Grey, Blue
White, Black, Silver, Grey
White, Black, Silver, Grey
White, Grey
Black, Silver
Black, Silver
Black, Silver, Grey, Blue
White, Black, Grey, Blue, Yellow
White, Black, Silver, Blue
Dimensions (WxHxD)
Depth
157 mm
89.5 mm
11 mm
11.1 mm
11.1 mm
32 mm
145 mm
180.5 mm
155 mm
Height
13.5 mm
5 mm
162 mm
162 mm
165.5 mm
23 mm
245 mm
30.7 mm
21.3 mm
12 mm
Width
95.2 mm
89 mm
80 mm
80 mm
77 mm
84 mm
155 mm
103 mm
87.5 mm
84 mm
Product weight
205 g
230 g
90 g
95 g
90 g
220 g
120 g
205 g
110 g
Eco labels
BlueAngel
Features
Display light, Economic functions, Currency Converter
Programmable, Colour screen, CAS (Computer Algebra System), Economic functions, Statistical functions
Equation solver, Complex functions, Statistical functions
Programmable, CAS (Computer Algebra System), Economic functions, Equation solver, Complex functions, Matrices
Economic functions, Equation solver, Complex functions, Matrices, Statistical functions
Display light, Watch, Programmable, Calendar, Colour screen, Equation solver, Complex functions, Matrices, Statistical functions
Economic functions, Currency Converter
Programmable, Economic functions, Equation solver, Complex functions, Matrices, Statistical functions
CAS (Computer Algebra System), Statistical functions
Display characters/line
12 ​
8 ​
12 ​
16 ​
16 ​
12 ​
26 ​
8 ​
21 ​
10 ​
Display Lines
1 ​
8 ​
4 ​
4 ​
10 ​
1 ​
1 ​
8 ​
Type
Calculator
Graphing calculator
Calculator
Calculator
Calculator
Printing calculator
Graphing calculator
Graphing calculator
Calculator
Graphing calculator
Graphing calculator
Graphing feature
3D graphics
Parametric graphs, Polar graphs, Recursively defined sequences, Differential Equations, Split screen, Rectangular graphs
Parametric graphs, Polar graphs, Differential Equations, Split screen, Rectangular graphs
RAM (total)
61 kB
154 kB
64 kB
RAM (usable)
62 kB
ROM memory (usable)
Battery operated
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Battery type
R6 (AA)
R3 (AAA)
LR44
LR44
LR44
Li-Ion
LR54
R3 (AAA)
R3 (AAA)
External power connection
External source (12-230V), Solar cell
USB, Solar cell
Solar cell
USB, Solar cell
Solar cell
USB
External source (12-230V), Solar cell
USB
Solar cell