Using Numeric Keypad In Oracle Forms 6i

Dear All,
I am facing some problems when I am Working with Numeric Keypad on Oracle Forms 6i.
I have 10 Buttons and In Every Button Property I have defined the "Access Key".
e.g
Buttons | Property | Value
Button1 | Access Key | "1"
Button2 | Access Key | "2"
Button3 | Access Key | "3"
Button4 | Access Key | "4"
Button5 | Access Key | "5"
Button6 | Access Key | "6"
Button7 | Access Key | "7"
Button8 | Access Key | "8"
Button9 | Access Key | "9"
Button0 | Access Key | "0"Example : When I will Press Only "1" Using Numeric Keypad, Message Window will appear with the Message "You have Pressed 1..."
All Buttons are functioning Properly when I Pressing (One Key Stroke) 1,2,3,4,5,6,7,8,9,0 using Numeric KeyPad.
But I am not able to apply this Technique on "*" , "/" , "-" , "+" , "." , "Num Lock".
How Can I utilize these Characters(*,-,+,/,NumLock) in my application to perform a certain task using Single Key Stroke through Buttons or any other way in Oracle Forms 6i.
Note : We don't want to give Keyboard / Mouse to User. We have given a Numeric KeyPad to the User for a Certain Task.
Thanks in Advance

It works for me on 10g but the only pitfall is the " * ", the workaround is to use the " & " in the label next to the key you want.
for example:
Button*   label &*
Button-   label   &-
Button/   label   &/
Button+   label   &+
Button.   label   &.Try it
Tony

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-- Constructor for signature ()V
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BEGIN
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BEGIN
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BEGIN
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BEGIN
    args := NULL;
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BEGIN
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BEGIN
    args := JNI.CREATE_ARG_LIST(1);
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