Math Calculators

How to Test Each Calculator:

1. Fraction Calculator:

   • Enter 1/2 + 1/4 → Shows “3/4 ≈ 0.75”

2. Percentage Calculator:

   • Select “What is X% of Y?” and enter 15, 200 → Shows “15% of 200 = 30”

3. Random Number Generator:

   • Enter min=1, max=100, quantity=5 → Shows 5 random numbers between 1-100

4. Standard Deviation:

   • Enter “5,10,15,20” → Shows mean, variance, and standard deviation