nerdamer | a symbolic math expression evaluator for javascript | Math library

nerdamer is a JavaScript library typically used in Utilities, Math applications. nerdamer has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can install using 'npm i nerdamer-fork' or download it from GitHub, npm.

As of version 0.5.0, the library is split into the core and optional add-ons which can be loaded after the core has been loaded. Getting started with Nerdamer. Load the library in your html page. Some functions have dependencies from other add-ons. You can see nerdamer in action at For full documentation go to All operations are done using the 'nerdamer' object. To add an expression just add it to the nerdamer object which will return a expression object. You can also pass in an object with known values as the second parameter. As you can see only the substitution is performed. To evaluate the result just call evaluate. Note that evaluate returns a text string or a number not an object. To get back the text as a fraction, call the text method and pass in the string 'fractions'. You can get your expression back as LaTeX by calling the toTeX method. To have numbers returned as decimals pass in the string 'decimals' to the toTeX method. Alternatively you can pass an object containing known values into evaluate method instead. The values passed in don’t have to be number they can be another expression if needed. Every time you parse an expression it’s stored in nerdamer. To get a list of all the expressions you just call nerdamer.expressions(). You can request it as an object as well by passing in true. This can be convenient in some situations as the numbering starts at 1;. Functions aren’t always immediately parsed to numbers. For example. will only subsitute out the variable name. To change this behaviour numer should be passed in as the 3rd argument. The difference however is that the first option directly substitutes the variables while the second first evaluates the expression and then makes the substitutions. This library utilizes native javascript functions as much as possible. As a result it inherits whatever rounding errors they possess. One major change with version 0.6.0 however, is dealing with floating point issues. The above expample now returns zero whereas in previous version the result would be 4.440892098500626e-16. Same goes for 0.1+0.2. An expression can be replaced directly by passing in the index of which expression to override. For example. If multiple modifier options need to be passed into nerdamer you can do so using an array. For example …​. If you need the code as LaTeX you can pass in true as the second parameter when requesting the expressions. You can specify a particular location when adding an expression, which is specified with the third parameter. Here’s an example of reserved variable and function names. Most math functions are passed in as part of the expression. If you want to differentiate for instance you just use the function diff which is located in the Calculus add-on as of version 0.5.0.