added version 1.0.0 of APIlite library,

added basic HTML template for help,
added test class APIcalculator for demo

test/APIcalculator.php

@@ -0,0 +1,126 @@
+<?php
+
+/**
+ * Class APIcalculator
+ *
+ * A calculator class that extends the functionality of TPsoft's APIlite.
+ * This class provides basic arithmetic operations and a few additional
+ * mathematical functions.
+ *
+ */
+
+require_once __DIR__ . '/../src/APIlite.php';
+
+class APIcalculator extends \TPsoft\APIlite\APIlite
+{
+
+	/**
+	 * Add two numbers.
+	 * Standard plus operation.
+	 *
+	 * @param float $a The first number.
+	 * @param float $b The second number.
+	 * @return float The sum of the two numbers.
+	 */
+	public function add(float $a, float $b): float
+	{
+		return $a + $b;
+	}
+
+	/**
+	 * Subtract two numbers.
+	 * Standard minus operation.
+	 *
+	 * @param float $a The first number.
+	 * @param float $b The second number.
+	 * @return float The difference of the two numbers.
+	 */
+	public function subtract(float $a, float $b): float
+	{
+		return $a - $b;
+	}
+
+	/**
+	 * Multiply two numbers.
+	 * Standard multiplication operation.
+	 *
+	 * @param float $a The first number.
+	 * @param float $b The second number.
+	 * @return float The product of the two numbers.
+	 */
+	public function multiply(float $a, float $b): float
+	{
+		return $a * $b;
+	}
+
+	/**
+	 * Divide two numbers.
+	 * Standard division operation. Throws an exception if dividing by zero.
+	 *
+	 * @param float $a The first number.
+	 * @param float $b The second number.
+	 * @return float The quotient of the two numbers. Throws an exception if dividing by zero.
+	 * @throws \Exception If dividing by zero.
+	 */
+	public function divide(float $a, float $b): float
+	{
+		if ($b == 0) {
+			throw new \Exception('Division by zero');
+		}
+		return $a / $b;
+	}
+
+	/**
+	 * Raise a number to a power.
+	 *
+	 * @param float $a The base number.
+	 * @param int $exponent The exponent.
+	 * @return float The result of raising the base number to the exponent.
+	 * @throws \Exception If the exponent is not an integer.
+	 */
+	public function power(float $a, int $exponent): float
+	{
+		$exponent = (int) $exponent;
+		if ($exponent == 0) {
+			return 1;
+		}
+		return pow($a, $exponent);
+	}
+
+	/**
+	 * Calculate the square root of a number.
+	 *
+	 * @param int $a The number to calculate the square root of.
+	 * @return float The square root of the number.
+	 */
+	public function sqrt(int $a): float
+	{
+		return sqrt($a);
+	}
+
+	/**
+	 * Calculate the absolute value of a number.
+	 *
+	 * @param float $a The number to calculate the absolute value of.
+	 * @return float The absolute value of the number.
+	 */
+	public function abs(float $a): float
+	{
+		return abs($a);
+	}
+
+	/**
+	 * Round a number to the nearest integer.
+	 *
+	 * @param float $a The number to round.
+	 * @param int $precision The number of decimal places to round to.
+	 * @return int The rounded number.
+	 */
+	public function round(float $a, int $precision = 2): float
+	{
+		return round($a, $precision);
+	}
+
+}
+
+new APIcalculator();