Here is a sample of a FoxPro code on how to change the numbers you typed into words or number to words functions.
PARAMETER numAmt
PRIVATE numAmt, chrAmt, cDNums, wordAmt, cDvar
*Covert amount to string, add leading zeros
numAmt = VAL(THISFORM.Text1.Value)
chrAmt=RIGHT('000000000'+LTRIM(STR(numAmt,12,2)),12)
*Initialize literal string
Dol1 = 'ONE'
Dol2 = 'TWO'
Dol3 = 'THREE'
Dol4 = 'FOUR'
Dol5 = 'FIVE'
Dol6 = 'SIX'
Dol7 = 'SEVEN'
Dol8 = 'EIGHT'
Dol9 = 'NINE'
Dol10 = 'TEN'
Dol11 = 'ELEVEN'
Dol12 = 'TWELVE'
Dol13 = 'THIRTEEN'
Dol14 = 'FOURTEEN'
Dol15 = 'FIFTEEN'
Dol16 = 'SIXTEEN'
Dol17 = 'SEVENTEEN'
Dol18 = 'EIGHTEEN'
Dol19 = 'NINETEEN'
Dol20 = 'TWENTY'
Dol30 = 'THIRTY'
Dol40 = 'FORTY'
Dol50 = 'FIFTY'
Dol60 = 'SIXTY'
Dol70 = 'SEVENTY'
Dol80 = 'EIGHTY'
Dol90 = 'NINETY'
wordAmt=''
IsHundred = .F.
checkMillion =.T.
FOR Counter = 1 TO 3
* First time through the For loop to check for millions
* Second time through the FOR loop to check for thousands
* Third time through the FOR loop to check for hundreds, tens and ones
DO CASE
CASE Counter = 1
cDNums = SUBSTR(chrAmt,1,3)
CASE Counter = 2
cDNums = SUBSTR(chrAmt,4,3)
CASE Counter = 3
cDnums = SUBSTR(chrAmt,7,3)
ENDCASE
* Check hundreds
IF LEFT(cDNums, 1) > '0'
cDvar = 'Dol'+LEFT(cDNums,1)
wordAmt = wordAmt + EVAL(cDvar)+SPACE(1)+'HUNDRED'+SPACE(1)
IsHundred = .T.
IF Counter = 2
CheckMillion = .T.
ENDIF
ENDIF
* Check tens and ones
Dtens = VAL(SUBSTR(cDNums,2,2))
IF Dtens > 0
IF Dtens > 20
cDvar = 'Dol'+SUBSTR(cDNums,2,1)+'0'
wordAmt = wordAmt + EVAL(cDvar)
IF SUBSTR(cDNums,3,1) > '0'
cDvar = 'Dol'+SUBSTR(cDNums,3,1)
wordAmt = wordAmt + '-'+ EVAL(cDvar) + SPACE(1)
ELSE
wordAmt = wordAmt + SPACE(1)
ENDIF
ELSE
cvar = 'Dol'+LTRIM(STR(Dtens))
wordAmt = wordAmt + EVAL(cDvar) + SPACE(1)
ENDIF
IsHundred = .F.
IF Counter = 2
CheckMillion = .T.
ENDIF
ENDIF
* Add in Million, if needed
IF numAmt > 999999.99 .AND. Counter = 1
wordAmt = wordAmt + SPACE(1)+'MILLION'+SPACE(1)
CheckMillion = .F.
ENDIF
* Add in Thousand, if needed
IF CheckMillion
IF numAmt > 999.99 .AND. Counter = 2
IF Dtens > 0
wordAmt = wordAmt + SPACE(1)+'THOUSAND'+SPACE(1)
ENDIF
IF IsHundred
wordAmt = wordAmt + SPACE(1)+'THOUSAND'+SPACE(1)
ENDIF
ENDIF
ENDIF
ENDFOR
* Construct the complete dollar amount in words
wordAmt = IIF(numAmt<1, 'ONLY'+SPACE(1), '** ' + wordAmt + ' **') &&+SPACE(1)) + RIGHT(chrAmt,2)+'/100 ' + IIF(numAmt>1,'S','')
RETURN wordAmt
PARAMETER numAmt
PRIVATE numAmt, chrAmt, cDNums, wordAmt, cDvar
*Covert amount to string, add leading zeros
numAmt = VAL(THISFORM.Text1.Value)
chrAmt=RIGHT('000000000'+LTRIM(STR(numAmt,12,2)),12)
*Initialize literal string
Dol1 = 'ONE'
Dol2 = 'TWO'
Dol3 = 'THREE'
Dol4 = 'FOUR'
Dol5 = 'FIVE'
Dol6 = 'SIX'
Dol7 = 'SEVEN'
Dol8 = 'EIGHT'
Dol9 = 'NINE'
Dol10 = 'TEN'
Dol11 = 'ELEVEN'
Dol12 = 'TWELVE'
Dol13 = 'THIRTEEN'
Dol14 = 'FOURTEEN'
Dol15 = 'FIFTEEN'
Dol16 = 'SIXTEEN'
Dol17 = 'SEVENTEEN'
Dol18 = 'EIGHTEEN'
Dol19 = 'NINETEEN'
Dol20 = 'TWENTY'
Dol30 = 'THIRTY'
Dol40 = 'FORTY'
Dol50 = 'FIFTY'
Dol60 = 'SIXTY'
Dol70 = 'SEVENTY'
Dol80 = 'EIGHTY'
Dol90 = 'NINETY'
wordAmt=''
IsHundred = .F.
checkMillion =.T.
FOR Counter = 1 TO 3
* First time through the For loop to check for millions
* Second time through the FOR loop to check for thousands
* Third time through the FOR loop to check for hundreds, tens and ones
DO CASE
CASE Counter = 1
cDNums = SUBSTR(chrAmt,1,3)
CASE Counter = 2
cDNums = SUBSTR(chrAmt,4,3)
CASE Counter = 3
cDnums = SUBSTR(chrAmt,7,3)
ENDCASE
* Check hundreds
IF LEFT(cDNums, 1) > '0'
cDvar = 'Dol'+LEFT(cDNums,1)
wordAmt = wordAmt + EVAL(cDvar)+SPACE(1)+'HUNDRED'+SPACE(1)
IsHundred = .T.
IF Counter = 2
CheckMillion = .T.
ENDIF
ENDIF
* Check tens and ones
Dtens = VAL(SUBSTR(cDNums,2,2))
IF Dtens > 0
IF Dtens > 20
cDvar = 'Dol'+SUBSTR(cDNums,2,1)+'0'
wordAmt = wordAmt + EVAL(cDvar)
IF SUBSTR(cDNums,3,1) > '0'
cDvar = 'Dol'+SUBSTR(cDNums,3,1)
wordAmt = wordAmt + '-'+ EVAL(cDvar) + SPACE(1)
ELSE
wordAmt = wordAmt + SPACE(1)
ENDIF
ELSE
cvar = 'Dol'+LTRIM(STR(Dtens))
wordAmt = wordAmt + EVAL(cDvar) + SPACE(1)
ENDIF
IsHundred = .F.
IF Counter = 2
CheckMillion = .T.
ENDIF
ENDIF
* Add in Million, if needed
IF numAmt > 999999.99 .AND. Counter = 1
wordAmt = wordAmt + SPACE(1)+'MILLION'+SPACE(1)
CheckMillion = .F.
ENDIF
* Add in Thousand, if needed
IF CheckMillion
IF numAmt > 999.99 .AND. Counter = 2
IF Dtens > 0
wordAmt = wordAmt + SPACE(1)+'THOUSAND'+SPACE(1)
ENDIF
IF IsHundred
wordAmt = wordAmt + SPACE(1)+'THOUSAND'+SPACE(1)
ENDIF
ENDIF
ENDIF
ENDFOR
* Construct the complete dollar amount in words
wordAmt = IIF(numAmt<1, 'ONLY'+SPACE(1), '** ' + wordAmt + ' **') &&+SPACE(1)) + RIGHT(chrAmt,2)+'/100 ' + IIF(numAmt>1,'S','')
RETURN wordAmt