> ## Documentation Index
> Fetch the complete documentation index at: https://docs.parashell.cloud/llms.txt
> Use this file to discover all available pages before exploring further.

# Calcinator tools

> Scientific, symbolic, statistical, matrix, vector, and constant-resolution tools for derived CAD values.

Scientific, symbolic, statistical, matrix, vector, and constant-resolution tools for derived CAD values.

Tool count: `16`.

Client note: `ctx` is injected by the MCP server and is not supplied as a user argument.

## `calc_capabilities`

Signature:

```python theme={null}
calc_capabilities() -> list[TextContent]
```

Descriptor:

```text theme={null}
Introspect the Calcinator scientific engine.

Returns every available tool with its supported operations, the callable
functions and constants reachable from calc_evaluate, and the installed
numpy/scipy/sympy versions. Call this first to discover what is possible
before invoking the other calc_* tools.
```

## `calc_constant`

Signature:

```python theme={null}
calc_constant(name: str) -> list[TextContent]
```

Descriptor:

```text theme={null}
Look up a physical or mathematical constant.

Args:
    name: The constant name, e.g. 'pi', 'golden', 'speed of light in vacuum',
        or any key from scipy.constants.physical_constants. Partial names
        return suggestions.
```

## `calc_describe`

Signature:

```python theme={null}
calc_describe(name: str) -> list[TextContent]
```

Descriptor:

```text theme={null}
Describe a single function or constant in the calc_evaluate namespace.

Args:
    name: Symbol to inspect (e.g. 'erf', 'np_linspace', 'pi'). Partial
        names return close matches so you can discover the exact spelling.
```

## `calc_differentiate`

Signature:

```python theme={null}
calc_differentiate(expression: str, variable: str = 'x', order: int = 1) -> list[TextContent]
```

Descriptor:

```text theme={null}
Compute the symbolic derivative of an expression.

Args:
    expression: The expression to differentiate, e.g. 'sin(x)*exp(x)'.
    variable: The differentiation variable. Default 'x'.
    order: The derivative order as a positive integer. Default 1.
```

## `calc_distribution`

Signature:

```python theme={null}
calc_distribution(name: str, operation: str, x: Any = None, params: list[float] | None = None, q: float | None = None) -> list[TextContent]
```

Descriptor:

```text theme={null}
Evaluate a SciPy probability distribution.

Args:
    name: The scipy.stats distribution name, e.g. 'norm', 'binom', 't'.
    operation: One of pdf, cdf, ppf, stats. pdf/cdf need x, ppf needs q.
    x: The value at which to evaluate pdf or cdf.
    params: Distribution shape, location, and scale parameters in order.
    q: A probability in (0, 1) for ppf (the inverse cdf).
```

## `calc_evaluate`

Signature:

```python theme={null}
calc_evaluate(expression: str, variables: dict[str, Any] | None = None) -> list[TextContent]
```

Descriptor:

```text theme={null}
Numerically evaluate a scientific expression.

Runs against a rich namespace: Python math/cmath, numpy (prefixed np_, e.g.
np_linspace, np_mean), and the modules math, np, stats, optimize, linalg,
special, constants, and sp. Use ** for powers and * for multiplication.

Args:
    expression: The expression to evaluate, e.g. 'sin(pi/4)**2 + cos(pi/4)**2'
        or 'np_mean(np_array([1, 2, 3, 4]))'.
    variables: Optional mapping of names to numbers or lists bound before
        evaluation; lists become numpy arrays.
```

## `calc_integrate`

Signature:

```python theme={null}
calc_integrate(expression: str, variable: str = 'x', lower: Any = None, upper: Any = None) -> list[TextContent]
```

Descriptor:

```text theme={null}
Compute a definite or indefinite integral symbolically.

Args:
    expression: The integrand, e.g. 'x**2' or '1/x'.
    variable: The integration variable. Default 'x'.
    lower: Lower bound for a definite integral. Omit for an indefinite one.
    upper: Upper bound for a definite integral. Omit for an indefinite one.
```

## `calc_limit`

Signature:

```python theme={null}
calc_limit(expression: str, variable: str = 'x', point: Any = '0', direction: str = '+') -> list[TextContent]
```

Descriptor:

```text theme={null}
Compute the limit of an expression as a variable approaches a point.

Args:
    expression: The expression, e.g. 'sin(x)/x'.
    variable: The variable that approaches the point. Default 'x'.
    point: Target value; accepts numbers or 'oo'/'-oo' for infinity. Default '0'.
    direction: Approach side, one of '+', '-', or '+-'. Default '+'.
```

## `calc_matrix`

Signature:

```python theme={null}
calc_matrix(operation: str, matrix: list[list[Any]], matrix_b: list[list[Any]] | None = None, vector: list[Any] | None = None) -> list[TextContent]
```

Descriptor:

```text theme={null}
Perform linear algebra on matrices.

Unary operations: determinant, inverse, transpose, rank, trace,
eigenvalues, eigenvectors, nullspace, rref, norm. Binary operations:
add, subtract, multiply (need matrix_b) and solve (needs vector as the
right-hand side). Numeric matrices use numpy; symbolic entries use sympy.

Args:
    operation: The operation name from the lists above.
    matrix: The primary matrix as a list of equal-length rows.
    matrix_b: The second matrix for add, subtract, or multiply.
    vector: The right-hand side for solve.
```

## `calc_product`

Signature:

```python theme={null}
calc_product(expression: str, variable: str = 'x', lower: Any = 1, upper: Any = 10) -> list[TextContent]
```

Descriptor:

```text theme={null}
Evaluate the product of an expression over an index range.

Args:
    expression: The factor, e.g. 'x'.
    variable: The index variable. Default 'x'.
    lower: Lower index bound. Default 1.
    upper: Upper index bound. Default 10.
```

## `calc_series`

Signature:

```python theme={null}
calc_series(expression: str, variable: str = 'x', point: Any = 0, order: int = 6) -> list[TextContent]
```

Descriptor:

```text theme={null}
Compute the Taylor or Laurent series of an expression.

Args:
    expression: The expression to expand, e.g. 'exp(x)'.
    variable: The expansion variable. Default 'x'.
    point: The point to expand about. Default 0.
    order: The truncation order as a positive integer. Default 6.
```

## `calc_solve`

Signature:

```python theme={null}
calc_solve(equations: Any, unknowns: Any = None) -> list[TextContent]
```

Descriptor:

```text theme={null}
Solve an equation or a system of equations symbolically.

Args:
    equations: A single equation string or a list of them. Each may use '='
        (e.g. 'x**2 - 5*x + 6 = 0') or be an expression assumed equal to zero.
    unknowns: Optional symbol name or list of names to solve for. When omitted,
        every free symbol is solved for.
```

## `calc_statistics`

Signature:

```python theme={null}
calc_statistics(operation: str, data: list[float], data_y: list[float] | None = None, confidence: float = 0.95, popmean: float = 0.0) -> list[TextContent]
```

Descriptor:

```text theme={null}
Compute statistics, correlation, regression, and hypothesis tests.

Operations: describe, mean, median, std, variance, sum, min, max,
correlation, linear_regression, confidence_interval, t_test_1samp,
t_test_ind. The paired operations (correlation, linear_regression,
t_test_ind) require data_y.

Args:
    operation: The operation name from the list above.
    data: The primary numeric sample.
    data_y: The second sample for paired operations.
    confidence: Confidence level in (0, 1) for confidence_interval. Default 0.95.
    popmean: Population mean tested by t_test_1samp. Default 0.0.
```

## `calc_summation`

Signature:

```python theme={null}
calc_summation(expression: str, variable: str = 'x', lower: Any = 0, upper: Any = 10) -> list[TextContent]
```

Descriptor:

```text theme={null}
Evaluate the summation of an expression over an index range.

Args:
    expression: The summand, e.g. 'x**2'.
    variable: The index variable. Default 'x'.
    lower: Lower index bound. Default 0.
    upper: Upper index bound; accepts 'oo' for infinite series. Default 10.
```

## `calc_transform`

Signature:

```python theme={null}
calc_transform(expression: str, operation: str = 'simplify') -> list[TextContent]
```

Descriptor:

```text theme={null}
Rewrite an expression with a symbolic transformation.

Args:
    expression: The expression to transform, e.g. '(x + 1)**2'.
    operation: One of simplify, expand, factor, cancel, apart, together,
        trigsimp, expand_trig, radsimp, ratsimp, powsimp, logcombine,
        expand_log, nsimplify. Default 'simplify'.
```

## `calc_vector`

Signature:

```python theme={null}
calc_vector(operation: str, vector_a: list[Any], vector_b: Any = None) -> list[TextContent]
```

Descriptor:

```text theme={null}
Perform vector algebra.

Operations: dot, cross, add, subtract, scale, norm, normalize, angle,
projection. cross requires two 3-D vectors; scale expects vector_b to be a
numeric scalar; norm and normalize ignore vector_b.

Args:
    operation: The operation name from the list above.
    vector_a: The first vector as a 1-D list.
    vector_b: The second vector, or a scalar for scale.
```