Formula Reference

Essential formulas for Math, Physics, Chemistry, Finance, and more!

Your Complete Formula Reference Guide

Access essential formulas across mathematics, physics, finance, chemistry, engineering, and more! Whether you're a student, professional, or educator, find the exact formula you need with our powerful search and category filters. All formulas include variable definitions, LaTeX notation, and clear descriptions for easy understanding.

Quadratic Formula

Mathalgebra
x=−b±b2−4ac2ax = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}

Solves quadratic equations of the form ax² + bx + c = 0

Where:

aa=coefficient of x²
bb=coefficient of x
cc=constant term
xx=solution(s)
#quadratic#roots#parabola#equation

Slope Formula

Mathalgebra
m=y2−y1x2−x1m = \frac{y_2 - y_1}{x_2 - x_1}

Calculates the slope of a line between two points

Where:

mm=slope
x1,y1x_1, y_1=first point coordinates
x2,y2x_2, y_2=second point coordinates
#slope#line#gradient#linear

Distance Formula

Mathalgebra
d=(x2−x1)2+(y2−y1)2d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}

Calculates distance between two points in 2D space

Where:

dd=distance
x1,y1x_1, y_1=first point
x2,y2x_2, y_2=second point
#distance#coordinate#geometry#algebra

Point-Slope Form

Mathalgebra
y−y1=m(x−x1)y - y_1 = m(x - x_1)

Equation of a line given slope and a point

Where:

mm=slope
x1,y1x_1, y_1=known point on the line
#line#slope#linear equation#algebra

Slope-Intercept Form

Mathalgebra
y=mx+by = mx + b

Standard form of a linear equation

Where:

mm=slope
bb=y-intercept
xx=x-coordinate
yy=y-coordinate
#line#slope#intercept#linear

Midpoint Formula

Mathalgebra
M=(x1+x22,y1+y22)M = \left(\frac{x_1 + x_2}{2}, \frac{y_1 + y_2}{2}\right)

Finds the midpoint between two points

Where:

MM=midpoint
x1,y1x_1, y_1=first point
x2,y2x_2, y_2=second point
#midpoint#coordinate#geometry#algebra

Frequently Asked Questions

How do I search for specific formulas?

Use the search bar at the top to search by formula name, keywords, or tags. You can search for multiple terms separated by commas or spaces. For example: 'quadratic, pythagorean' or 'algebra physics'.

Can I save my favorite formulas?

Yes! Click the heart icon on any formula card to add it to your favorites. You can save up to 250 formulas, and they're stored locally for quick access anytime.

What is LaTeX notation and how do I use it?

LaTeX is a markup language for displaying mathematical formulas. Click the copy button on any formula to copy its LaTeX code, which you can paste into LaTeX editors, Microsoft Word, Google Docs, or academic papers.

Are these formulas suitable for academic use?

Yes, all formulas are accurate and suitable for academic work, research, homework, and professional applications. Each formula includes clear variable definitions and descriptions.

How often are new formulas added?

We regularly update our collection with new formulas across all categories. Currently featuring 150+ formulas with plans to expand to over 1000+ formulas covering additional topics.