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New firmware for the HP Prime





Here's the new firmware for the HP Prime!

If you already have your HP Prime, you can use the HP Connectivity Kit to download the upgrade to it, the upgrade to the virtual calculator and the upgrade for your own prime. It is much better than searching the web to get the proper file. In fact, the file is so big that I need to do some special programming in my website to handle files that big. Keep to the standard updating features of your software and you'll be fine.

While it has worked as a charm with Windows 7, I had more problems to do the downloading from my Mac-installed Windows XP. Yes, I know that it is old and not maintained, but works like a charm with Mac, is stable (never got the blue screen of death in my Mac) and I don't need to spend more money to run it.

You need to backup your calculator before. This is not a "best practice" standard warning - you will lose some settings and variables in the move. You will keep the apps you had created, though - but there are unexpected things that may happen. In my case, I had several apps using solver functions and using already created variables, like EBIT or COST. Next time I opened the solver app I had created, the formulae that used said variables had been changed to E*B*I*T and C*O*S*T. So, beware!

Finally I got the Connectivity Kit and the new Virtual Calculator up and running on the Mac. The upgrade to the Prime had already been done in the Win7 machine.

So, what?

There is a new list of things fixed in the new release. I must say that the tactile screen feels much  more responsive with the new firmware than with the old. I  need to get more experience with the new firmware, but for now I will focus on the basics: the number format.

If you have any kind of business/accounting sensibility, numbers' magnitude matters. It is not the same working with millions than hundreds of thousands - and you want to see it at first sight in your screen. You can see below the options.


I have selected the one with spaces between each three digits, and decimal comma instead of decimal point. Now you can check your numbers much faster, and find out at first sight if your result is right or wrong.

Also, the aspect of the connectivity has improved much. There was a long time since I used it last, so I don't know if these features were already existing:

  • You can see the screens of all the calculators that are connected. This works with the virtual calculator and the Primes connected via USB, but it will work too with theones connected with the soon-to-be sold wireless dongle. This way, you can control a whole class from your desk.
  • You can send messages to all screens. Maybe you can send messages to a single screen, but I have not managed yet.


Here is a list of all changes:

New Functionality (Connectivity Kit)


1.    Application has had major improvements to the user interface. Please refer to the included connectivity kit User's Guide for instructions and details.

2.    Support for the HP Wireless Classroom network has been introduced. Please see for details on the Wireless Classroom kit.

3.    Greatly enhanced communication speed over USB link to calculator.

New Functionality (Calculator Software)


1.    Improved touch support throughout system. This includes pinch to zoom support in graphing applications, and kinetic scrolling.

2.    Pressing HELP in an open command line will attempt to find the name of a command based on the prior input up to the cursor position to display system help for that command.

3.    Includes Edition 2 of the on calculator help files (English only in this release).

4.    Greatly enhanced robustness and capability of the Statistics 2Var logistic fit.

5.    Wireless support for capable units turned on. Wireless icon will appear in the right top corner menu for units that can support the HP Prime Wireless Kit.

6.    Calculator unit-to-unit communications has now been enabled on units that can support it.

7.    Numerical values now can be displayed with digit groupings. Examples include: 1,234.567               1 234.567 and 1’234,567

8.    Two new numerical display formats have been introduced. These are “floating” which only displays up to a specified number of digits, and “rounded” which is similar to the “fixed” format except trailing zeros are suppressed.

9.    Decimal fractions now appear with a zero, as in 0.25.

10.    Vectors are now displayed as a single line object until they become a matrix. This aids in distinguishing vectors and matrices.

11.    User selectable first day of week setting for use through the system.

12.    First boot unlock and settings wizard. User will be asked to confirm language selection and some initial settings.

13.    Inference application now can do Chi-Square calculations and Linear Regression T calculations.

14.    Geometry application has been completely redone and is much faster, consistent, and capable than before.

15.    Enhanced color pickers allow a greater range of color selection.

16.    Pressing ENTER will now open chooser in a dialog or toggle checkbox.

17.    Enhanced unit object display to ensure a more standard form with complex units.

18.    TRIANGLE, FILLPOLY and LINE commands can now draw multiple objects in a consistent way with each other. Useful for very complicated 3D drawing in user programs.

19.    INPUT command can now create multi-page dialogs and contain choose boxes, check boxes and grouped check boxes. It can also allow specific item types and gives control of parsing behavior for input. It also supports size and position control.

New Functionality (Virtual Calculator)


1.    A horizontal skin has been included for use with monitors that are restricted in the vertical pixel range.

Resolved issues and changes excluding CAS


1.    Resolved issue with statistics 2 variable trig fit causing poor curve fit.

2.    Resolved issue with removing last row or column from a CAS matrix in the matrix editor.

3.    Resolved issue with .^ and ./ function calculations.

4.    Resolved issue with EDITLIST/EDITMAT commands not working in RPN mode.

5.    Resolved issue with BLIT command when specified destination was a zero sized region.

6.    Resolved several issues with fraction key in home to make behavior more consistent.

7.    Resolved issue in 2D integral template where EEX key would always add a 1 before the E in the evaluation limit locations.

8.    Resolved several issues where integer only settings fields would display using the current display setting.

9.    Resolved issue where auto power off did not function in graphing applications.

10.    Resolved issue with commands EDITLIST and EDITMAT using user defined variables.

11.    Resolved issue with key buffer not being cleared when the user aborts a running program.

12.    Resolved issue with auto off timer in plot gallery not being reset on user touch.

13.    Resolved issue with auto-off timer in plot gallery not being reset on user input.

14.    Resolved issue with copy and paste in spreadsheet.

15.    Resolved issue with sigma character in command names not being consistent through entire system.

16.    Resolved issue with RETURN call inside repeating loop in a user program.

17.    Resolved issue with object printing in debugging interface causing unpredictable behavior.

18.    Resolved problem with integration calling ABS(F1(X))

19.    Resolved issue with G0-G9 in user programs while spreadsheet was active application.

20.    Resolved issue with 10 second periodic wakeup during sleep reducing long term shelf life.

21.    Resolved issue with KWh in menu needing to be named kWh to function properly.

22.    Resolved issue where storing a number to a vector padded with too many zeros.

23.    Resolved issue with clicking EDIT menu after deleting last CAS object from memory manager catalog.

24.    Resolved issue with negative and STO conversion shortcut.

25.    Resolved issue where tapping an item in Advanced Grapher Symbolic view behaved differently then tapping edit menu key.

26.    Resolved issue where calculating integration with boundary at 0 appeared to fail.

27.    Resolved issue with case sensitivity in note and program catalog.

28.    Resolved issue where changing font size could cause strange artifacts in 2d equation display in Symbolic view.

29.    Resolved problem where copying .+ or .- operators would not insert space before commands.

30.    Resolved issue with ΣLIST and a vector argument.

31.    Resolved some issues with F1 and CAS interaction.

32.    Resolved issue with the UNITS -> TOOLS menu commands not evaluating immediately in RPN mode.

33.    Resolved issue with eigenvectors of diagonal matrices in home.

34.    Resolved issue where DMS toggle on home screen did not work with certain numbers.

35.    Resolved issue with RPN stack not being cleared by a clear in memory manager.

36.    Resolved issue where changing HEX or other similar settings did not update stack display immediately.

37.    Resolved issue where clearing memory from catalog did not clear Ans variables.

38.    Resolved issue where pressing BKSP on a CAS variable from chooser did not delete it.

39.    Resolved issue where CAS screen would have left/right alignments disrupted after a power cycle.

40.    Resolved issue with logb and very tiny values.

Resolved issues and changes in CAS


1.    Resolved issue with for desolve([y'=sqrt(y),y(1)=1],x,y)

2.    Resolved issue  with units in approx mode and auto simplification on units

3.    Added check for real matrix in SVD

4.    Resolved issue with tlin(cos(a)*cos(b)) and with plot(exp(-x^2))

5.    Resolved issue with odesolve in reverse time direction

6.    Desolve now handles linear system with constant coefficients; for example, desolve([y'=[[1,2],[2,1]]*y+[x,x+1],y(0)=[1,2]]);

7.    Resolved issue with int(surd(2x,3),x,0,4), and with simplify(sin^2+cos^2)

8.    Improved display for some sqrt results like sqrt(2+sqrt(3)) as sqrt(2)/2+sqrt(6)/2

9.    Resolved issue with speed of int(x*exp(-x^2),x,0,100)

10.    Resolved issue with derivative of composition e.g. (g(x^2))'

11.    Resolved issue with desolve([y''-2*y'/x+(9+2/x^2)*y=x*exp(x),y(pi/6)=0,y(pi/3)=0],y)

12.    Make SVD (SVL) work on rectangular matrices.

13.    Change interpretation of A/B where B is a square matrix to inv(B)*A with a warning

14.    Resolved issue with integer factorization.

15.    Make limit(1/x^2,x,0) return +infinity instead of unsigned infinity

16.    Resolved issue with laplace(exp(a*x),x,t)

17.    Resolved issue with ilaplace(exp(-3x))

18.    Resolved issue with sigma notation

19.    Resolved issue with sign (-> also fixes laplace(x))

20.    Make ifactor return an error if number too large

21.    Resolved issue with recursion issue in geometry objects evaluation

22.    Resolved issue with inv((5.+8i)^200)

23.    Resolved issue with tan(54) in degree mode

24.    Resolved issue with matrix/vector * object, if one arg to * is approx, evalf the other one with current context modes (instead of null context).

25.    Extend cholesky to hermitian complex matrices

26.    Resolved issue with ifactor(nextprime(alog10(17))*nextprime(alog10(19)));

27.    Resolved issue with collect(sqrt(4x^2)) and for solve(-x+1=surd(-x^3+7,3));

28.    Resolved issue with int(int(sqrt(x+y),x,0,1),y,0,1)

29.    pa2b2(2) now returns [1,1]

30.    legendre_symbol and jacobi_symbol now accept negative first argument

31.    Resolved issue with algebraic extension with i inside

32.    op added to list of non auto simplified operators + dichotomic search

33.    Default interval changed for parabola

34.    Make left and right accept an integer represented as a double as 2nd argument

35.    Set max list size to 10 000 and compute factorial exactly up to 1000 on hardware

36.    Resolved issue with hadamard on numeric matrices

37.    Size limit check added for $, Ans support for SCALE/SCALEADD/...

38.    Resolved issue with re/im/abs e.g. im(sqrt(x)+1)

39.    Size check added for JordanBlock, fix for solve with fractional powers,

40.    Resolved issue with iPart with neg argument

41.    element added to the list of functions that should not be auto simplified

42.    RANDMAT with one argument accepted.

43.    Changes for triple matrix norm (l1norm, l2norm, linfnorm)

44.    Resolved issue with resultant with num coeffs

45.    mat2list sets HP list subtype for the result.

46.    Resolved issue with plotfunc(normald(x))

47.    area now accepts a function plot as first argument, 2nd argument a..b, or 2nd argument a, 3rd argument b, returns area under curve. For a parametric plot, a and b are the parameter range.

48.    ifactor check added for qsieve failure

49.    Resolved issue with ARG in degree

50.    Resolved issue with fPart/iPart for negative/complex arguments

51.    Resolved issue with asin(sin(pi))) and acos(cos(pi)) in degree

52.    Change for [] in CAS: start at 1

53.    Resolved issue with definite integral with inf boundary in degree mode

54.    Replace warning by error for recursive definition except for when/ifte/program

55.    Improve non-directional limit, e.g. limit(1/abs(x),x,0)

56.    Enable for and if as lowercase synonyms for FOR and IF in the CAS.

57.    Make REDIM and REPLACE (CAS version) accept a matrix instead of a variable name as 1st arg.

58.    Resolved issue with regroup(inf) and for FP

59.    Resolved issue with poisson_cdf with 3 arguments

60.    Resolved issue with circle tangent, using relative error instead of absolute error.

61.    Handling of inequalities with approximate coefficients using an exact conversion

62.    jordan for numeric matrix with exact coefficients but no exact eigenvalue converting to approx.

63.    Resolved issue with assume(s<0); sign(s)

64.    Tangent for conics now use rational parametric equation

65.    Resolved issue with a%%b if b is not an integer

66.    Resolved issue with locus, fix for table print/parse

67.    Resolved issue with l2norm

68.    Re-set angle mode in isopolygon.

69.    Leave propfrac unsimplified

70.    Make sum eval approx if exact mode is not checked

71.    Boolean operators now return 1/0

72.    Resolved issue with col, suppress and makemat (indices starting at 1)

73.    Better handling for some 4th order equations.

74.    Set complex_variables to false in arcLen so that arcLen(x^2,x,0,1) works if Complex is checked.

75.    Additional check for duplicate argument name in CAS program exit.

I will continue explorin the features in the next entries of the blog.

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