Casio FX-85ES PLUS FX-85ESPLUS Leaflet
Product codes
FX-85ESPLUS
fx-82ES PLUS fx-85ES PLUS fx-350ES PLUS fx-95ES PLUS fx-570ES PLUS fx-991ES PLUS
fx-82ES
fx-85ES
fx-350ES
fx-500ES
Specifications
Number of functions
252
252
252
274
417
417
249
249
249
253
Power supply (Main)
AAA × 1 (R03)
Two-way power
(Solar + LR44 × 1)
AAA × 1 (LR03)
AAA × 1(R03)
AAA × 1 (R03)
Two-way power
(Solar + LR44 × 1)
AAA × 1 (R03)
Two-way power
(Solar + LR44 × 1)
AAA × 1 (LR03)
AAA × 1 (R03)
Power supply (Backup)
—
—
—
—
—
—
—
—
—
—
Approximate battery life Main (hours)
17,000*
3
3 years
(LR44)*
2
8,700*
1
17,000*
3
17,000*
3
3 years
(LR44)*
2
17,000*
3
3 years
(LR44)*
2
8,700*
1
17,000*
3
Approximate battery life Backup (years)
—
—
—
—
—
—
—
—
—
—
Dimensions H×W×D(mm)
13.8 × 80 × 162 11.1 × 80 × 162 13.8 × 80 × 162 13.8 × 80 × 162 13.8 × 80 × 162 11.1 × 80 × 162 13.7 × 80 × 161 12.2 × 80 × 161 13.7 × 80 × 161 13.7 × 80 × 161
Approximate weight (g)
100
95
100
100
100
95
110
105
110
110
Case style
Slide-on hard
Slide-on hard
Slide-on hard
Slide-on hard
Slide-on hard
Slide-on hard
Slide-on hard
Slide-on hard
Slide-on hard
Slide-on hard
Dot matrix display
31 × 96 dots
31 × 96 dots
31 × 96 dots
31 × 96 dots
31 × 96 dots
31 × 96 dots
31 × 96 dots
31 × 96 dots
31 × 96 dots
31 × 96 dots
Display capacity (characters)
15
15
15
15
15
15
15
15
15
15
Mantissa + exponent digits
10 + 2
10 + 2
10 + 2
10 + 2
10 + 2
10 + 2
10 + 2
10 + 2
10 + 2
10 + 2
Icon menus
—
—
—
—
—
—
—
—
—
—
Internal operation digits
15
15
15
15
15
15
15
15
15
15
Nested parentheses levels
24
24
24
24
24
24
24
24
24
24
Programming
Functions
Program logic
—
—
—
—
—
—
—
—
—
—
Memory (bytes)
—
—
—
—
—
—
—
—
—
—
Program areas
—
—
—
—
—
—
—
—
—
—
Storage memory area (Flash memory)
—
—
—
—
—
—
—
—
—
—
Built-in formulas
—
—
—
—
—
—
—
—
—
—
Utilities
Natural textbook display / NATURAL-V.P.A.M.
Key rollover function
Replay function
Multi-replay functions
Replay copy
Key rollover function
Replay function
Multi-replay functions
Replay copy
—
—
—
—
—
—
—
—
—
—
Backspace
CALC function
CALC function
—
—
—
—
—
—
—
—
SOLVE function
—
—
—
—
—
—
—
—
Answer function
Variables
Onboard function manual
Variables
Onboard function manual
—
—
—
—
—
—
—
—
—
—
Syntax help
—
—
—
—
—
—
—
—
—
—
Auto power off
Special
Features
Base-
n calculations (Binary/Octal/Hexadecimal)
—
—
—
—
—
—
—
—
Logical operations
—
—
—
—
—
—
—
—
Engineering symbol calculations
—
—
—
—
—
—
—
—
—
—
Engineering notation (ENG/ENG)
Scientific constants
Scientific constants
—
—
—
—
40
40
—
—
—
—
Metric conversions
—
—
—
—
40
40
—
—
—
—
CAS
Computer Algebra System
—
—
—
—
—
—
—
—
—
—
Basic
Functions
Trigonometric, inverse trigonometric (sin/cos/tan/sin
–1
/cos
–1
/tan
–1
)
Hyperbolic, inverse hyperbolic (sinh/cosh/tanh/sinh
–1
/cosh
–1
/tanh
–1
)
Exponential, logarithmic (log, ln, 10
x
, e
x
)
Base specified logarithmic
Power and radical root (
Power and radical root (
x
y
/ x
)
Fraction
Percentage calculation (%)
Rounding
Simplification
Percentage calculation (%)
Rounding
Simplification
—
—
—
—
—
—
—
—
—
—
Integer division
—
—
—
—
—
—
—
—
—
—
GCD/LCM
—
—
—
—
—
—
—
—
—
—
Sexagesimal
↔ decimal
Display format (FIX, SCI)
Angle unit (Deg, Rad, Grad)
Angle unit conversion (Deg, Rad, Grad)
Factorization into prime factors
Angle unit (Deg, Rad, Grad)
Angle unit conversion (Deg, Rad, Grad)
Factorization into prime factors
—
—
—
—
—
—
Ratio calculation
—
—
—
—
—
—
—
—
—
Calculus
Differentiation calculation
—
—
—
—
—
—
—
—
Integration calculation
—
—
—
—
—
—
—
—
Algebra
Simultaneous equation
—
—
—
(3 unknowns)
(3 unknowns)
(3 unknowns)
—
—
—
(3 unknowns)
Polynomial equation
—
—
—
(Degree 2, 3)
(Degree 2, 3)
(Degree 2, 3)
—
—
—
(Degree 2, 3)
Inequality
calculation
—
—
—
—
—
—
—
—
—
Table function
Matrix calculations
Matrix calculations
—
—
—
—
—
—
—
—
Complex number calculation
—
—
—
—
—
—
—
—
Geometry
Geometry Application
—
—
—
—
—
—
—
—
—
—
Coordinate conversion (Pol, Rec)
Vector calculations
Vector calculations
—
—
—
—
—
—
—
—
Probability
Combination, permutation (
nCr, nPr)
Statistics
Random numbers
Random integers
Random integers
—
—
—
—
List-based STAT data editor
Standard deviation
Regression analysis
Linear regression
ab Exponential regression
Advanced statistics
Standard deviation
Regression analysis
Linear regression
ab Exponential regression
Advanced statistics
—
—
—
—
—
—
—
—
—
—
Other regressions
Log, Exp, Pwr,
Inv, Quad
Log, Exp, Pwr,
Inv, Quad
Log, Exp, Pwr,
Inv, Quad
Log, Exp, Pwr,
Inv, Quad
Log, Exp, Pwr,
Inv, Quad
Log, Exp, Pwr,
Inv, Quad
Log, Exp, Pwr,
Inv, Quad
Log, Exp, Pwr,
Inv, Quad
Log, Exp, Pwr,
Inv, Quad
Log, Exp, Pwr,
Inv, Quad
Finance
Financial function
—
—
—
—
—
—
—
—
—
—
Spreadsheet
Spreadsheet
—
—
—
—
—
—
—
—
—
—
Others
eActivity
—
—
—
—
—
—
—
—
—
—
Data communication
—
—
—
—
—
—
—
—
—
—
Others
—
—
—
—
—
—
—
—
—
—
*
1
Continuous operation (assuming 5 minutes calculation and 55 minutes display per hour) *
2
1 hour use per day *
3
Continuous display of flashing cursor
Standard Models
fx-991ES
403
Two-way power
(Solar + LR44 × 1)
—
—
12.2 × 80 × 161
105
Slide-on hard
31 × 96 dots
15
10 + 2
—
15
24
—
—
—
—
—
15
24
—
—
—
—
—
—
—
—
—
—
40
40
—
40
—
—
—
—
—
—
—
—
—
(3 unknowns)
(Degree 2, 3)
—
—
—
—
Log, Exp, Pwr,
Inv, Quad
—
—
—
—
—
—
—
—
3 years
(LR44)*
2
fx-570ES
403
AAA × 1 (R03)
—
17,000*
3
—
13.7 × 80 × 161
110
Slide-on hard
31 × 96 dots
15
10 + 2
—
15
24
—
—
—
—
—
15
24
—
—
—
—
—
—
—
—
—
—
40
40
—
40
—
—
—
—
—
—
—
—
—
(3 unknowns)
(Degree 2, 3)
—
—
—
—
Log, Exp, Pwr,
Inv, Quad
—
—
—
—
—
—
—
—
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