Question about Texas Instruments TI-89 Calculator

Can't insert anything in between numbers or equations.

If i type in anything like 564544, but i forget to put a divide for multiply, i cannot go back and just insert it in. I have to go and put a divide and it erases the 5 like this 564/44. it just happened yesterday. did i acidentally change a setting?

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Did you try 2nd delete?

Posted on Oct 17, 2007

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Posted on Jan 02, 2017

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I am trying 0.037 Amps to milliamperes by useing the x10x button i am preety sure i should press 0.037x10-3 but the answer comes up 37/1000000 when the answer should be 37 not sure if the calculators set...

Prefixes such as milli already reflect the corresponding multiplier or divisor. One milliamp is 1/1000th of an Amp, so 37 milliamps = 0.037 of an Amp.

To keep two sides of an equation the same, you need to perform the same operation on each side. In this case, the equation is 37/1000 = 0.037. The "divide by 1000" part of this equation is included in the word "milliamp", hence 37 milliamps = 0.037 Amps.

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