|
We're glad you came by, but you might find what you're looking for elsewhere. TI-Basic Developer is not the site it once was. While its information on commands and other calculator features remains almost second-to-none, its forum, archives, and even hosting service, Wikidot, have been decaying for years. The calculator community would love to see what you're working on, or help you in your next coding adventure, but TI-Basic Developer is no longer the place to do it. Instead, you should head over to Cemetech (primarily American) or TI-Planet (primarily international). Both are active, well-established forums with their own archives, chatrooms, reference material, and abundant coding tools and resources. We'll see you there, we hope. |
Raises the constant e to the value power.
e^(value)
Press [2nd] [ex] to paste e^(.
TI-83/84/+/SE
1 byte
The e^( command raises the constant e to a power. Since it's possible to just type out e, ^, and (, the reason for having a separate function isn't immediately obvious but in fact most of the time you need to use e, it's to raise it to a power.
The trigonometric and hyperbolic functions can be expressed, and in fact are usually defined, in terms of e^(.
e^( accepts numbers and lists (but unfortunately not matrices) as arguments. It also works, and is often used for, complex numbers (in fact, one of the standard forms of complex numbers on TI-83 series calculators is re^θi, which uses the e^( function)
e^(2)
7.389056099
e^(πi)
-1
e^({-1,0,1})
{.3678794412 1 2.718281828}Formulas
The e^( is usually defined by an infinite series:
(1)This is then used to define exponentiation in general (for all real and even complex numbers), rather than using some sort of definition of exponents that involves multiplying a number by itself many times (which only works for integers).
Related Commands
.