# record 1: header: parent, keywords
# record 2: calling parameters
# record 3: submit buttons
# record 4: html form content

:geometry, elementary geometry, euclidean geometry
angle, angle conversion, convert angle,
degree, radian

:precision, 12
operation, angle conversion

:, Convert Angle

:
 $submit1

 <input type="text" size="20" name="formula" value="60">
 <select name="option">
 <option value="radian" selected="selected">
  degrees to radians
 </option>
 <option value="degrees">
 radians to degrees
 </option>
 </select>
