---
title: "Free Math & Geometry Tools & Calculators: Online Utilities | ShoutingNow"
description: "Free math and geometry calculators: percentages, area, volume, and unit math. Fast browser-based tools with worked examples on ShoutingNow."
url: "https://shoutingnow.com/tools/category/calculators/math-geometry-calculators/"
image: "https://shoutingnow.com/wp-content/uploads/2026/07/shoutingnow-preview-scaled.webp"
---

# Math & Geometry

Solve geometry, algebra, and everyday math problems with free calculators built for students and professionals. Step through inputs, check formulas, and get accurate results online.

## Items
- [Racine Carree Calculator](https://shoutingnow.com/tools/racine-carree-calculator/)
  Free Racine Carree square root calculator with five-decimal precision. Instant results for positive numbers, decimals, perfect squares, and negative inputs (imaginary roots).
- [Slope Calculator](https://shoutingnow.com/tools/slope-calculator/)
  Free slope calculator for line steepness, distance between two points, and angle of incline. Enter two coordinates or one point with slope and distance.
- [Percentage of a Percentage Calculator](https://shoutingnow.com/tools/percentage-of-percentage-calculator/)
  Find a percentage of a percentage in one step: get the cumulative rate (12% of 12% works out to 1.44%, not 24%) and apply that combined rate to a dollar amount or quantity.
- [What is X% of Y? Free Online Percentage Calculator](https://shoutingnow.com/tools/percent-calculator/)
  A free percentage calculator that handles percent of a number, percentage difference, and percentage increase or decrease. Enter any two values and it solves for the third.
- [Percent Off Calculator](https://shoutingnow.com/tools/percent-off-calculator/)
  Work out sale price, percent off, amount saved, or original price from any two values you already know. It also handles stackable discounts, like when a store sale and a coupon apply one after the other.

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