Subroutine FormPrintFormula prints a string onto a form, adjusting each numeral down by a subscript offset amount.

' Offset numerals by the indicated amount.
Private Sub RichTextSubscriptNumerals(ByVal rch As _
    RichTextBox, Optional ByVal offset As Integer = -50)
Dim i As Integer
Dim txt As String

    txt = rch.Text
    For i = 1 To Len(txt)
        If Mid$(txt, i, 1) >= "0" And Mid$(txt, i, 1) <= _
            "9" Then
            rch.SelStart = i - 1
            rch.SelLength = 1
            rch.SelCharOffset = offset
        End If
    Next i
End Sub

' Draw a formuls offseting numerals by the indicated amount.
Private Sub FormPrintFormula(ByVal frm As Form, ByVal X As _
    Single, ByVal Y As Single, ByVal txt As String, _
    Optional ByVal offset As Single = 60)
Dim i As Integer
Dim ch As String

    frm.CurrentX = X
    For i = 1 To Len(txt)
        ch = Mid$(txt, i, 1)
        If ch >= "0" And ch <= "9" Then
            frm.CurrentY = Y + offset
        Else
            frm.CurrentY = Y
        End If

        frm.Print ch;
    Next i
End Sub