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Mathematica works with both exact quantities and approximate numbers. Using N , you can obtain a numerical approximation to an exact quantity with any desired precision or ...
Complex Numbers   (Mathematica Guide)
Mathematica has fundamental support for both explicit complex numbers and symbolic complex variables. All applicable mathematical functions support arbitrary-precision ...
Controlling the Display of Large ...   (Mathematica Tutorial)
When you do symbolic calculations, it is quite easy to end up with extremely complicated expressions. Often, you will not even want to see the complete result of a ...
When summarizing data, it is often useful to analyze it by subgroup. For example, crop yields could be categorized by seed variety, or average patient recovery time by ...
Integer and Number Theoretic Functions   (Mathematica Tutorial)
Some integer functions. The remainder on dividing 17 by 3. The integer part of 17/3.
Rationals   (Built-in Mathematica Symbol)
Rationals represents the domain of rational numbers, as in x \[Element] Rationals.
Formula Manipulation   (Mathematica Guide)
Mathematica handles formulas of all types, from polynomials with millions of terms to complex combinations of higher mathematical functions. It provides powerful general ...
Picking Out Pieces of Algebraic ...   (Mathematica Tutorial)
Functions to pick out pieces of polynomials. Here is an algebraic expression. This gives the coefficient of x in e.
Selecting Parts of Expressions with ...   (Mathematica Tutorial)
"Manipulating Elements of Lists" shows how you can pick out elements of lists based on their positions. Often, however, you will need to select elements based not on where ...
Reals   (Built-in Mathematica Symbol)
Reals represents the domain of real numbers, as in x \[Element] Reals.
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