http://www.actstudent.org/faq/answers/calculator.html
Prohibited Calculators
The following types of calculators are prohibited:
    * calculators with built-in computer algebra systems
      Prohibited calculators in this category include:
          o Texas Instruments: All model numbers that begin with TI-89 or TI-92 and the TI-Nspire CAS—Note: The TI-Nspire (non-CAS) is permitted.
          o Hewlett-Packard: HP 48GII and all model numbers that begin with HP 40G, HP 49G, or HP 50G
          o Casio: Algebra fx 2.0, ClassPad 300 and ClassPad 330, and all model numbers that begin with CFX-9970G
    * handheld, tablet, or laptop computers, including PDAs
    * electronic writing pads or pen-input devices—Note: The Sharp EL 9600 is permitted.
    * calculators built into cell phones or any other electronic communication devices
    * calculators with a typewriter keypad (letter keys in QWERTY format)—Note: Letter keys not in QWERTY format are permitted.
ACT does not allow TI-89
所有跟帖:
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                    谢谢,you save me,我以为我产生了幻觉呢,我是看到了什么,才没买89。
                     -123YES- 
                    ♀                    
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                        09/11/2009 postreply
                                                09:59:05
                    
                                                            
                    
                    
                                        
                        (48 bytes)
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                        09/11/2009 postreply
                                                09:59:05
                    
                    
