Casio
fx-115D
Casio
fx-115MS
Casio
fx-115ES Plus
|
|
Casio
fx-115D
|
Casio
fx-115MS
|
Casio
fx-115ES
Plus
|
|
Years
(approximate)
|
1995
|
2000s
|
About
2008
|
|
Number of
Keys
|
44
|
50
with keypad
|
50
with keypad
|
|
Number of
Digits
|
10
|
10
|
10
|
|
Contrast
the Screen?
|
No
|
Yes
|
Yes
|
|
Modes
|
[MODE]:
Engineering
Complex
Numbers
SD (1-Var
Stats)
LR
(Linear Regression)
DEG/RAD/GRAD
FIX/SCI/NORM
|
[MODE]:
Comp
(Compute)
SD (1-Var
Stats)
REG
(2-Var Stats)
Deg/Rad/Grad
Fix/Sci/Norm
Disp
(ab/c, d/c, Dot, Comma)
Contrast
EQN:
2 x 2
linear system, 3 x 3 linear system, quadratic polynomial, cubic
polynomial
|
[MODE]:
Comp
(Compute)
Complex
(complex numbers)
Stat
(Statistics)
Base
Table
(f(x), g(x))
Equation:
2 x 2 linear system , 3 x 3 linear system, quadratic polynomial,
cubic polynomial
Vector
Verify
(comparison tests)
[SETUP]:
MathIO/LinearIO
Deg/Rad/Grad
Fix/Sci/Norm
ab/c vs.
d/c
STAT
(frequencies on)
TABLE (f
or f an g)
Recurring
Decimal
Display
(comma/decimal point)
Contrast
|
|
Statistics
Regressions
|
Linear
|
Linear,
Logarithmic, Exponential, Power, Inverse, Quadratic
|
Linear,
Quadratic, Logarithmic, Exponential, Power (both a*b^x and a*x^b),
Inverse
|
|
Display
|
One line:
classic post-fix notation
|
2-line
display, top: entry, bottom: result
|
Textbook
(can be set to 2-line display)
|
|
Exact
Answers
|
Fractions
(when they are used)
|
Fractions
|
Fractions,
Square Root, Pi
|
|
Statistical
Registers
|
On the
keyboard
|
In two
menus: S-SUM, S-VAR
|
In a
menu: STAT
|
|
Statistical
Data Entry
|
With the
[M+] button
|
With the
[M+] button
|
In a
table
|
|
Multi-statement
operations
|
N/A
|
Yes (with
[ : ] )
|
Yes (with
[ : ] )
|
|
Rect to
Polar Conversions
|
View only
(exchange answers with X ←→ Y)
|
E = r, F
= θ
|
X = r, Y
= θ
Answer is
displayed
|
|
Polar to
Rect Conversions
|
View only
(exchange answers with X ←→ Y)
|
E = x, F
= y
|
X = x, Y
= y
Answer is
displayed
|
|
Calculus
Functions
|
None
|
Integral,
Derivative, Solve for X
|
Integral,
Derivative, Solve for X, Sum, Product
|
|
Variables
|
M,
Kin/Kout 1-6
|
A,B,C,D,E,F,X,Y,M
|
A,B,C,D,E,F,X,Y,M
|
|
Extras
|
Engineering
Symbols
|
Engineering
Symbols
|
GCD, LMC,
Int, Intg, RandInt, Factoring Integers (FACTOR)
|
|
Power
|
Solar/Battery
Backup: G927
|
Solar/Battery
Backup: LR44
|
Solar/Battery
Backup: LR44
|
Eddie
All
original content copyright, © 2011-2019. Edward Shore.
Unauthorized use and/or unauthorized distribution for commercial
purposes without express and written permission from the author is
strictly prohibited. This blog entry may be distributed for
noncommercial purposes, provided that full credit is given to the
author.