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HP-CALC

HP-CALC

Macro updates Currency Conversions

One of the great advantages of the HP Palmtops is the conversion feature of HP CALC. We can use it to convert length, area, volume, mass, temperature and currency, and this can be very helpful. All of the conversion applications are static (the relationship between grams and ounces remains the same), with the exception of currency (the relationship between dollars and Deutsche Marks seems to change second by second).

Keeping currency rates up-do-date can be a real chore. However, there is a way to automate this process with a macro that will automatically update the currency conversion feature (QOBLAS.MAC courtesy of H. Shrikumar, e-mail: shri@cs .umass.edu .)

The macro is updated with the most recent conversion rates each week and can be downloaded from the internet at (address on one line):

http://www.techbabble.com/ guest/200lx.html

You simply go to that URL and enter your name and e-mail address in the appropriate box, choose Send. The file and instructions are sent to you via e:mail, or you can download the macro itself by clicking on the link.

When you get it, copy the macro to your Palmtop placing QOBLAS.MAC in the root of the C: drive (C:\). (If you are running Buddy, turn it off by pressing (CTRL)-(---) ).

Load QOBLAS.MAC into the System Macros application by pressing (CTRL)-(&MORE...) (MENU) File Open, type in C:\QOBLAS.MAC and press (F10) Done. Press (MENU) Quit to close the System Macro application.

Run the macro by pressing (FN)-(F1).

After the macro makes the changes to currency, it will try to chain itself to C:\ _DAT\DEFAULT.MAC. This is the name programmed into the macro for your original macro file. If it can't find that file, the macro will give you a beep. Press (ESC) and QOBLAS.MAC automatically removes itself, leaving your original macros loaded and in tact. (Make sure you have a copy of QOBLAS .MAC in another location if you want to keep it.)

The macro will change all of the currency conversion rates to the current ones. QOBLAS.MAC includes currency conversions for U.S. Dollars, India, European Currency Unit (ECU), Japan, Britain, France, Germany, Canada, Australia, China, Pakistan, Russia, Taiwan, Singapore, United Arab Emirates (U.A.E.), Hong Kong, Switzerland, Argentina, Czech Republic, Italy and the Netherlands.

Tom Gibson

Technical Editor,

HP Palmtop Paper Email: tom_gibson@thaddeus.com

iPhone Life magazine


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