Question about Texas Instruments TI-30XA Calculator

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Inputing scientific notation into my calculator

Hi I have a TI-30XA Texas Instruments calculator and I was wondering how to imput scientific notation into my calculator

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Hello,

1. To convert a number to scientific equation, use [2nd][Sci]
Exemples 12345 [=] screen shows 12345 Then [2nd][Sci] coverts it to 1.2345 ^04 to the power 4.
2. To enter directly a number in scientific notation (e.g. -1.2345 X10^(-65) a very small number) you use the [EE] key 1.2345[+ /-][EE][+/-]65 shows as -1.2345 -65
1.6X10^(-19) 1.6[EE][+/-]19 shows as 1.6 -19

Hope it helps

Posted on Sep 17, 2009

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Scientific, Engineering, Floating decimal, and Fixed decimal.

Full details are in the "Notation" section of the manual.

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The number displayed is 3.006 x10^12 or 3 006 000 000 000. It requires 13 digits to dsiplay but the calculator does not have that may places, so it reverts to scientific notation even if the mode is et to 'standard'. If numbers are too small or too large the calculator uses scientific notation regardless of the display format the calculator is configured for.

Hope it helps

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If you mean using the "EE" key it's straightforward.

To enter scientific numbers, enter the number, then press EE, then the exponent value. The TI-30XA will stay in scientific display until you "clear" or turn it off. It will also switch to scientific notation if you multiply big numbers that exceed the display.

E.g. Input 3, EE, 10, X, 3, EE, 10, =, gives you the answer 9 times 10 to the power 20. Press the "square root" key and you will get back 3 times 10 to the power 10.

You can mix entries too, e.g. 3, EE, 10, X, 2, =, gives you 6 times 10 the power 10....

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