Mike Woodhill

Mike Woodhill, Ph.D.

I am excited to provide free Online Calculators with
Step by Step Solutions.
I am using my 20+ years of teaching experience to make these Calculators as useful as possible
enabling you to master your math classes. 😉

Enjoy my free Step by Step Calculators:





Vertex of a Parabola



Python Random # Generator




Do the Quadratic Formula



Vertex to Standard Form




Complete the Square




Standard to Vertex Form

Need some help? Have questions on homework? Doing test prep? 

Schedule a Tutoring Session


Trusted by Tens of Thousands of Students, Tutors, Teachers


24,394 Ratings
Google Reviews

“ Your Quadratic Formula Equation Calculator is just what I needed. I just plugged in my Quadratic and got the solution with steps. Sweet.”

Caroline Teal

“I love the simplicity of your Online Calculators. They are easy to use, very fast and always correct. Got me an A in my Engineering class. ”

Eddie Johnson

“As a tutor I need to check solutions quickly and these calculators allow me to do that. Just Perfect.”

Jerry Grange

“It is funny and sad. I have learned more through these calculators than from my professors.”

Mark Bryan