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Addition

1 + 1 = 2
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Average

Average of [2, 3, 5, 6] = 4
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Base conversion

1010102_2 = 4210_{10} = 2A16_{16}
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Combinations

n^nCr_r = C(nn,rr) = (nr)(^r_n) = n!(n−r)!r!\frac{n!}{(n-r)!r!}
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Discount

Calculate the final price after applying a discount.
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Distance between 2 points

| From (1,1) to (4,5) | = 5
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Dot product

<1, 2> ⋅ <3, 4> = 11
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Factorial

5! = 5*4*3*2*1 = 120
courseBeta

Intro to 2D planes

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Median

Median of [2, 2, 3, 9] = 2.5
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Multiplication

11 * 11 = 121
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Permutations

n^nPr_r = P(n,r)(n,r) = n!(n−r)!\frac{n!}{(n-r)!}
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Points to vector

From (1,1) to (7,4) = <6,3>
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Power

23^3 = 8
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Subtraction

100 - 1 = 99
note

Trigonometry

An interactive trigonometry note letting you explore angles on the unit circle, instantly see their sine and cosine values, and access a reference table for the most important angles and formulas.
exercise

Vector Norm

| <3,4> | = 5
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