F=ma
Newton's Second Law
Relates force, mass and acceleration.
See what the formula actually means
Formula in. Explanation out.
Enter a math, physics, engineering or finance formula and break it into its symbols, purpose, structure and basic steps.
Formula Explainer
F = ma
Meaning
Force equals mass multiplied by acceleration.
Variables
F = Force
m = Mass
a = Acceleration
m = Mass
a = Acceleration
Use
Calculate force when mass and acceleration are known.
Formula Explainer
Break the formula into pieces.
Enter the formula exactly as you have it. Optional context can help clarify uncommon symbols.
Enter a formula
Standard keyboard notation works fine.
Examples: A = πr², y = mx + b, P = VI, I = PRT
Formula explanation
Review symbol meanings against your class or source material.
Formula
Subject
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Explanation
Example Formulas
Try a familiar formula.
These examples are recognized directly by the browser-based explainer.
A=πr²
Circle Area
Calculates the area of a circle from its radius.
y=mx+b
Slope-Intercept Form
Represents a straight line using slope and y-intercept.
P=VI
Electrical Power
Relates electrical power, voltage and current.
I=Prt
Simple Interest
Calculates interest from principal, rate and time.
d=rt
Distance Formula
Calculates distance from rate and time.
About this version
Formula Explainer recognizes a growing library of common formulas and can also perform a basic structural breakdown of unfamiliar formulas. Because symbols can mean different things in different subjects, use the optional context field when the notation is ambiguous. A secure AI backend can later be added for deeper explanations of uncommon or specialized formulas.
Have a full homework problem instead?
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Common Questions
About Formula Explainer.
Formula symbols are context dependent, so uncommon notation should be checked against the source where you found it.
You can enter common math, geometry, physics, engineering and finance
formulas. Standard keyboard notation such as x^2, *, / and parentheses
is supported as text.
The tool will still identify symbols and operators and provide a
basic structural explanation, but it may not know the specific
meaning of every symbol.
The same letter can mean different things in different formulas.
Context such as "physics formula" or "r means interest rate" can help
clarify what the symbols represent.
This page focuses on explaining what a formula means and how to use
it. Numerical calculation can be handled by the appropriate
calculator once values are known.
No. The current version works directly in the browser using a formula
library and structural analysis. A secure AI backend can be connected
later.