Raising the power of an interger

[sourpatchkid]

Hello forum!
I'm absolutely befuddled on my current enigma.
I have an assignment that is due for my class. The question is - "Display the value of 2 raised to the power of the value input in (1), i.e. display 2ⁿ, where n is the value from (1)"
I know it's simple, but i am absolutely terrible at math. I know it involves the for loop, but i don't know how i would utilize it for that.
Any help is appreciated!

[sourpatchkid]

I forgot to mention that where it says "(1)", is basically my first problem for my program to accept an interger.

[Crossfire]

i am befuddled on how someone will be in front of a computer, and cant google, or use a search box...

what is the power command in c..

[sourpatchkid]

I forgot to specify that i can only use a loop, such a "for".
I have googled it, but as i said, i'm still confused. Which is why i came to this forum.

[Matticus]

(1) What is 2³?
(2) What does 2³ look like written out in multiplication?

[Matticus]

i am befuddled on how someone will be in front of a computer, and cant google, or use a search box...

what is the power command in c..

I'm assuming that the OP isn't supposed to be using library functions for this, as it's more educational to write their own code to perform this calculation. But I could be wrong.

[sourpatchkid]

"I'm assuming that the OP isn't supposed to be using library functions for this, as it's more educational to write their own code to perform this calculation. But I could be wrong."
Yes! Exactly!
I need a program to except an interger, and then use that number as an exponent for 2. I have to do this though using the for loop.

[stahta01]

Exponentiation - Wikipedia, the free encyclopedia

Tim S.

[Matticus]

"I'm assuming that the OP isn't supposed to be using library functions for this, as it's more educational to write their own code to perform this calculation. But I could be wrong."
Yes! Exactly!
I need a program to except an interger, and then use that number as an exponent for 2. I have to do this though using the for loop.

Can you answer my questions in post #5?

[sourpatchkid]

I understand exponents, i need to have my program use a "for" loop, to solve a user inputted exponent.
I thought you guys knew how to program?

[Matticus]

I thought you guys knew how to program?

Indeed. And we offer our help here to assist others in learning. Therefore, you are more likely to get hints that will enable you to solve the problem yourself, than a spoon-fed answer.

Here's the sites homework policy, fyi.

Can you write a "for()" loop? Let's start there.

[sourpatchkid]

"Can you answer my questions in post #5?"
2*2*2
-_-

[rcgldr]

I am absolutely terrible at math.

Perhaps a few math examples will help:

2^0 = 1
2^1 = 1 · 2
2^2 = 1 · 2 · 2
2^3 = 1 · 2 · 2 · 2

So this is the math part, can you try to duplicate this math using a for loop?

[Matticus]

So a "for()" loop has three parts: initialization, condition, and the iterative change.

Initialization might typically start at zero, if you're using a counter.

Since an exponent is a number (x) multiplied by itself a certain amount of times (n), the body of the loop should keep a running product of x.

Increment the counter with the iterative change (the correct terminology escapes me ATM) and keep looping this process. How many times (until the condition is met)? n times.

[sourpatchkid]

"Indeed. And we offer our help here to assist others in learning. Therefore, you are more likely to get hints that will enable you to solve the problem yourself, than a spoon-fed answer.

Here's the sites homework policy, fyi.

Can you write a "for()" loop? Let's start there."

Indeed i can.

For(loop_counter = 0, loop_counter < 10, loop_counter++)
{
printf("loop %d", loop_counter);

}