changed project name to reflect cargo package

README.md

@@ -9,6 +9,30 @@ data science, and computer science.
 
 More information is available on the [project wiki](https://git.vwolfe.io/valerie/qm/wiki).
 
+## Installation
+
+### Manual Install
+
+<details>
+<summary>Release Binary</summary>
+Copy the compiled binary from the <a href="https://git.vwolfe.io/valerie/qm/releases">releases page</a>
+to a directory in <code>$PATH</code>, such as <code>/usr/bin/</code>.
+</details>
+
+<details>
+<summary>Compile from Source</summary>
+Compile using cargo with the command <code>cargo build --release</code> and copy
+the file from <code>target/release/</code> to a directory in <code>$PATH</code>,
+such as <code>/usr/bin/</code>.
+</details>
+
+### Package Managers
+
+<details>
+<summary>Cargo: <code>quickmath</code></summary>
+Install the package using Cargo with the command <code>cargo install quickmath</code>.
+</details>
+
 ## Libraries
 
 - [evalexpr](https://crates.io/crates/evalexpr) — expression evaluator

src/helper.rs

@@ -15,7 +15,7 @@ pub fn fix(arg: &Value) -> EvalResult {
 
 	let count = args.len();
 	if count != 2 {
-		return Err(EvalexprError::WrongFunctionArgumentAmount { expected: 2..=2, actual: count });
+		return Err(EvalexprError::WrongFunctionArgumentAmount { expected: 2, actual: count });
 	}
 
 	let float = args[0].as_float()?;
@@ -63,7 +63,7 @@ pub fn logarithm(arg: &Value) -> EvalResult {
 			output = value.log(base).into();
 		},
 		_ => {
-			return Err(EvalexprError::WrongFunctionArgumentAmount { expected: 2..=2, actual: count });
+			return Err(EvalexprError::WrongFunctionArgumentAmount { expected: 2, actual: count });
 		}
 	}
 	return Ok(output);