Hewlett Packard Calculators
HP48G, HP48 GX and HP48G+ |
Comparison and diferences
between HP48G, HP48GX and HP48G+ |
HP48G |
32 kB RAM ( not expandable ) |
HP48GX |
128 kB RAM ( expandable ) |
HP48G+ |
128 kB RAM ( not expandable ) |
HP48G, HP48GX and HP48G+
Characteristics |
Internal Equations and Functions |
More than 2300 |
Size [ Width x Length x Height] ( in millimeters ) |
80 x 180 x 25 |
Visor Physical Size [ width x Height ] (in millimeters) |
64 x 36 |
Expansion Devices ( HP48GX only ) |
1 slots type I, 1 slot type II |
Expansion ( HP48GX only ) |
+ 64kB, +128 kB,
+256 kB +512kB,+1Mb |
Total Memory Possible (HP48GX): resident 128 kB
+128 kB ( slot I ) + 1 MB ( slot I I) * (see footnote) |
1.256 Mb |
Number of Keys |
49 |
Internal Constants ( Constant Library ) |
40 |
π and
e constants |
Available |
Memory HP48G
Memory HP48G+
Memory HP48GX |
32 kB ( nominal )
128 kB ( nominal )
128 kB ( nominal ) |
Clock |
4 MHz |
Batteries (about 10 g each ) |
3 x 1.5 volt ( AAA size ) |
Weight with batteries (HP48G) |
±232 grams (8.11 oz) |
Weight with batteries and no cards (HP48GX) |
±262 grams (9.17 oz) |
Environment Limits |
0 - 45 Celsius
(32 - 113 Fahrenheit) |
Input Logic |
RPN/Algebraic (eq. writer) |
Menus and flags |
Available |
Alphabetic Messages |
Available |
Programmable Keys |
Available |
Infrared Printer |
Possible / Available |
Serial Communication |
Possible / Available |
I/O bi-directional infrared |
Available |
Connection with other hardware |
Available / Possible |
Math Functions |
+, -, x, /, √, 1/x, lnx, x ^ y,
ex |
Available |
YX, log(X), 10X, X, X2,%,
π, n! |
Available |
Fractions to decimal |
Available |
Decimal to fraction |
Available |
Summation |
Available |
Trigonometric Functions / inverses |
Available |
Hyperbolic/inverses |
Available |
HP Solve application ( to find roots ) |
Possible |
Numeric Integration |
Available |
Functions of complex numbers |
Available |
Operations with Vectors and
Matrices |
Rectangular and Polar |
Available |
Cylindrical and Spherical |
Available |
HP Matrix Writer ( to write matrices ) |
Available |
Matrix operations |
Available |
Lines and rows operations |
Available |
Plots - One Variable
Equations |
Trace |
Available |
Zoom |
Available |
Move Cursor |
Possible/Available |
Numbers of Plots Simultaneously |
unlimited |
Function, polar e parametric |
Available |
Derivatives Plots |
Available |
Differential equations Plots |
Available |
Conic Plots |
Available |
Truth Plots |
Available |
Statistical Plots |
Available |
Histogram Plots |
Available |
Bar Plots |
Available |
Plots - Two Variables
Equations |
Scatter Plots |
Available |
Slope Field Plots |
Available |
Wireframe Plots |
Available |
Pseudo contour Plots |
Available |
Y-Slice Plots |
Available |
Grid Map Plots |
Available |
Parametric Plots |
Available |
Pr-Surface Plots ( Parametric Surface ) |
Available |
Non Continue Function Plot |
Possible / Programmable |
Algebra |
Newton Binomial Expansion |
Possible |
Isolate Var |
Possible/Available |
Join Similar terms |
Possible/Available |
Square root of complex numbers and real numbers |
Available |
Polynomial roots |
Available |
Calculus |
Taylor Expansion |
Available |
Symbolic Integration |
Available (polynomials) |
Numeric Integration |
Available |
Symbolic Differentiation |
Available |
Numeric Differentiation |
Available |
Calculus of Numeric Differential Equations |
Available |
HP Equation Writer ( write equations in the display ) |
Available |
Scientific
Functions |
Time conversion from decimal to hours, min, sec |
Available |
Polar / rectangular conversion |
Available |
Angles conversion |
Available |
Arithmetic & basic conversions |
Available |
Units Conversion |
Available |
Bit & Boolean operators |
Available |
Graphic display and printer |
Available |
Finance Functions |
Amortize, Balance, Principal Interest |
Available |
n, I%, PV, PMT, FV and Amortize |
Available |
Statistic
Functions |
∑X, ∑X2, ∑XY, ∑Y, ∑Y2, N∑ |
Available |
Standard Deviation |
Available |
Linear Fit |
Available |
Combinations and Permutations |
Available |
Weight Mean |
Available |
Editing data |
Possible/Available |
LIN, LOG, EXP and POT fit |
Available |
Normal Distribution, x2, t, F |
Available |
Snedecor`s, chi-square, Students_Probability |
Available |
Characters |
Capital Letters and Lower Case |
Available |
Math Symbols |
Available |
ASCII symbols |
Available |
Accents, Ã,Ñ,Ü,à,á , Greek
letters and others |
Available |
Customization |
Numbers of steps / formulas |
Limited only by Memory |
Number of sub-routines |
Limited only by Memory |
Auto ON/OFF |
Possible |
Flags |
Available |
Customize Keys |
Available / Possible |
Solve for a pre defined variable |
Available |
Menus Personalization |
Available |
Alarm with Messages |
Available |
Show / don't show Clock |
Available / Possible |
Programming
Commands |
IF THEN ELSE END |
Available |
FOR NEXT STEP |
Available |
START STEP |
Available |
FOR STEP |
Available |
START STEP |
Available |
CASE THEN ELSE END |
Available |
IFERR THEN ELSE END |
Available |
DO UNTIL END |
Available |
WHILE REPEAT END |
Available |
SUBROUTINES |
Possible |
TUTORIAL WITH EXAMPLES |
Available |
EDITING PROGRAMS |
Possible/Available |
DEBUG |
Available |
VIEWING |
Possible / Available |
Programming |
Moving Pictures |
Possible |
Time, Dates |
Possible |
To use infrared device |
Possible |
Using Pictures |
Possible |
Using Matrices and Vectors |
Possible |
Using internal commands |
Possible |
Using external commands |
Possible |
Using Alarm |
Possible |
Loops |
Possible |
Games |
Possible |
Using complex numbers |
Possible |
Program in computer and transfer to HP48 |
Possible ** |
Program in HP48 and transfer to computer |
Possible ** |
* It is possible to expand memory up to 4MB, but cards of 4MB are
hard to find.
** Making programs in your personal computer and transferring
to your HP48G/GX is possible with special software and hardware.
They are easily available in many HP48 Sites.
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