Math Calculators
Percentage, fraction, algebra, and statistics calculators for students and professionals.
About Our Math Calculators
From basic percentages to statistics, our math calculators handle the tedious arithmetic so you can focus on understanding the concepts. Each tool shows clear step-by-step breakdowns so you learn along the way.
Frequently Asked Questions
Can I use these calculators for homework?
These calculators are great for checking your work and understanding how formulas are applied. Many include step-by-step breakdowns that show the process, helping you learn the method rather than just getting an answer.
How do I calculate a percentage increase or decrease?
Subtract the old value from the new value, divide by the old value, and multiply by 100. Our percentage calculator handles this automatically and shows the formula so you can follow along.
What is the order of operations?
The standard order is Parentheses, Exponents, Multiplication and Division (left to right), then Addition and Subtraction (left to right) — often remembered as PEMDAS. Our calculators follow this order automatically.
Do these calculators handle large numbers accurately?
Yes. The calculators use standard JavaScript floating-point arithmetic, which provides up to 15-17 significant digits of precision. For most practical purposes, results are exact.