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Basic information
Name
Manufacturer
HP
(1)
TI
(4)
Rebell
(5)
Fiamo
(1)
Sharp
(23)
Color
White
(4)
Grey
(1)
Blue
(1)
Blue-white
(1)
Black
(6)
Black-white
(8)
White-blue
(2)
White-green
(1)
White-orange
(1)
Black-Violet
(5)
Violet
(2)
Green
(1)
Black-green
(6)
Black-gray
(3)
Gray-blue
(1)
Black-pink
(6)
Black-orange
(4)
Black-silver
(1)
Silver
(1)
White-black
(1)
White-red
(1)
Type of packaging
Blister
(12)
Box
(22)
Basic features
Display Type
2 lines
(15)
1 line
(10)
dot matrix
(9)
Number of Display Digits
10
(17)
16
(9)
10 + 2
(2)
12
(6)
Power Source
solar and battery
(17)
battery
(15)
solar
(1)
Battery Type
LR44 x1
(17)
CR2032 x1
(3)
None
(1)
LR54 x2
(6)
AAA x1
(4)
L1131 x2
(1)
L1131 x1
(1)
Automatic Power Down
Yes
(34)
Keys
plastic
(33)
eubber
(1)
Protective Case
yes
(34)
Dimensions (mm)
Weight (g)
–
EAN code
Mathematical functions
Number of built-in features
–
Entry System
Algebraic (D.A.L.)
(34)
1/x, x², square root, %
yes
(34)
Pi Key
yes
(34)
GCD, LCM
yes
(3)
Integer division with remainder
yes
(3)
Fraction calculations
yes
(23)
no
(7)
Function Table
yes
(3)
Equation Solver (Newton)
yes
(6)
System of Linear Equations
no
(24)
yes
(6)
Matrix and Vector Calculations
no
(25)
yes
(5)
Numeric Derivative and Integral
yes
(8)
Complex numbers calculation
no
(15)
yes
(15)
Training (DRILL) Function
yes
(6)
Memory
Multi-Line Playback
yes
(24)
Last Answer Function
yes
(22)
no
(8)
Memory Variables
Notation and number of decimal places
FSE Display (SCI, FIX, ENG)
yes
(33)
3-Digit Punctuation
yes
(29)
Statistical functions
1-Variable Statistics
yes
(34)
2-Variable Statistics
yes
(24)
Regression Calculations
yes
(23)
no
(11)
Mean, Standard Deviation
yes
(34)
nCr, nPr, n!
yes
(33)
Random numbers generator
yes
(30)
Gonometric functions
Deg, Rad, Grad Modes
yes
(34)
Sin, Cos, Tan, and Inverses
yes
(34)
Hyperbolic Functions
yes
(34)
Sexagesimal and Decimal Conversions
yes
(34)
Rectangular and Polar Coordinates Conversions
yes
(34)
Numerical systems
Bin, Pen, Oct, Hex, Dec
yes
(25)
Logical Operation (AND, OR, NOT, NEG, XOR)
yes
(18)
Scientific functions
Metric Conversions
yes
(9)
Physical Constants
yes
(9)
10s+
30 ECO RS
30XA
30XIIS
34 MV
570MS
ECO 30
EL-501X
EL-501X WH BLISTER
EL-501X WH BLISTER
EL-501X WH BLISTER
EL-501X WH BLISTER
EL-501X WH BLISTER
EL-506TS
EL-506W BK
EL-506X
EL-520TG GY
EL-520V
EL-520X
EL-531TG
EL-531TH
EL-531X
EL-531XG
EL-531XH
EL-W506X
EL-W531TG WH
EL-W531TH WH
EL-W531XG
EL-W531XH
EL-W550XG
SC 2030
SC 2040
SC 2060S
SC 2080S
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