I doubt you can easily implement it using one textbox. However you could arrange two textboxes to display and edit separately the number and the exponent.

>Is there a way to display and edit scientific notation in a textbox in VFP 6?
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>I found that using ^ in the format property will display the value in scientific notation but I do not seem to be able to edit exponent portion.
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>Also is there a way to restrict the number of decimal places that is displayed?
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>Thanks in advance.