Ads won't work, since then there is the suggestion that content is not going to be neutral - that the editors may modify content so as to avoid angering sponsors. There are a few companies and organizations which are better than that - which won't pull or reduce sponsorship if factual material that reflects negatively on them is published - but only a few, and the suggestion will be there regardless.
I used to teach college level math at El Paso, and being a gadget freak I had half a dozen graphing calculators...
The Math Department at U.T. El Paso used (at the time - 12 years ago) the TI-81 in their entry level math classes. You could use any graphing calculator you wanted, but the books were written for the 81 and (other than myself) the teachers didn't try to support any other models. However... the Engineering Department actually required the HP 48 and enginnering students could easily get assistance from their department for that model. I personally had an HP-38 (algebraic model) and 48, a TI-85, a Casio 9850 (color) and an old Sharp model, and during the time I was there was when the TI-83 came out so I got one of those also.
The TI-83 and HP-38 were the most user-friendly, at the time the TI-85 and HP-48 were the most powerful. For some reason, the HP calculators have a lower accuracy - if you really need answers with 12 or more digits, but in real life you generally do not.
The highest resolution display is on the TI-85 and 89. I recently bought the new HP-50 (the 48 finally died) and while it is somewhat more user-friendly than the 48, the screen is still the same size and the accuracy is still the same. There are a few things that it (and the 48) can do which the TI-89 can't, but in most situations I'd have to give the nod to the TI-89.
The only color model (the Casio), the color is more of a gimmick than anything. It doesn't have the same level of features as even the TI-83. The HP-39 (successor to the 38) is probably the most under-rated model, its features really put it almost on a par with the TI-85 or 86 or in many ways better (though with HP accuracy and screen resolution) but it costs about $30 less.
Just to have an opinion here from someone who has actually used everything. If you want top of the line, that's still the TI-89.
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Ads won't work, since then there is the suggestion that content is not going to be neutral - that the editors may modify content so as to avoid angering sponsors. There are a few companies and organizations which are better than that - which won't pull or reduce sponsorship if factual material that reflects negatively on them is published - but only a few, and the suggestion will be there regardless.
Considering the subject, I'd actually consider Asa Dotzler as the best fake blog ... well, okay, you know right away who Asa works for.
I used to teach college level math at El Paso, and being a gadget freak I had half a dozen graphing calculators ...
The Math Department at U.T. El Paso used (at the time - 12 years ago) the TI-81 in their entry level math classes. You could use any graphing calculator you wanted, but the books were written for the 81 and (other than myself) the teachers didn't try to support any other models. However ... the Engineering Department actually required the HP 48 and enginnering students could easily get assistance from their department for that model. I personally had an HP-38 (algebraic model) and 48, a TI-85, a Casio 9850 (color) and an old Sharp model, and during the time I was there was when the TI-83 came out so I got one of those also.
The TI-83 and HP-38 were the most user-friendly, at the time the TI-85 and HP-48 were the most powerful. For some reason, the HP calculators have a lower accuracy - if you really need answers with 12 or more digits, but in real life you generally do not.
The highest resolution display is on the TI-85 and 89. I recently bought the new HP-50 (the 48 finally died) and while it is somewhat more user-friendly than the 48, the screen is still the same size and the accuracy is still the same. There are a few things that it (and the 48) can do which the TI-89 can't, but in most situations I'd have to give the nod to the TI-89.
The only color model (the Casio), the color is more of a gimmick than anything. It doesn't have the same level of features as even the TI-83. The HP-39 (successor to the 38) is probably the most under-rated model, its features really put it almost on a par with the TI-85 or 86 or in many ways better (though with HP accuracy and screen resolution) but it costs about $30 less.
Just to have an opinion here from someone who has actually used everything. If you want top of the line, that's still the TI-89.