Item logo image for CalcSprint

CalcSprint

calcsprint.com
Item media 1 (screenshot) for CalcSprint

Overview

Quick math training in your browser with speed rounds and local high scores.

CalcSprint is a lightweight browser extension for quick mental math practice right inside your browser. Open the popup, choose a difficulty level, and start solving fast arithmetic challenges in a 60-second sprint. It is designed for people who want a short brain workout without opening a full website, creating an account, or dealing with distractions. Everything starts instantly and works in a compact popup window. What you can do with CalcSprint Practice mental math in short 60-second rounds Choose from Easy, Medium, and Hard difficulty levels Solve fast arithmetic tasks directly in the extension popup Track correct answers, wrong answers, and streaks Save your best score locally in the browser Train in a simple, distraction-free interface Difficulty levels Easy — addition and subtraction Medium — mixed arithmetic with faster flow Hard — more demanding quick math challenges Why people may like it Fast to launch No sign-up required Clean interface Great for quick daily brain training Useful for students, adults, and anyone who enjoys mental math How it works Open the CalcSprint extension Choose your difficulty Start a 60-second sprint Type your answers and press Enter Try to beat your best local score CalcSprint is built as a simple and focused mini trainer. If you want more levels, more challenge types, and a fuller experience, you can continue on the website version.

Details

  • Version
    1.0.0
  • Updated
    March 25, 2026
  • Size
    27.87KiB
  • Languages
    English
  • Developer
    Website
    Email
    ivan@lukichev.biz
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site

Related

Calculator [Alt + C]

5.0

A simple calculator for those quick calculations, without leaving the browser

Mental Math Trainer

5.0

Try Mental Math Trainer for quick math practice. Mental arithmetic app with training drills uses math trainer to solve daily

Scientific Calculator

0.0

Google Scientific Calculator, convenient and fast calculation

Calculator Extension

2.1

Your calculator - Get Instant Results for calculations on Chrome and be able to search using Microsoft Bing search engine

NerdBuddy: AI Math Solver & Homework Helper

5.0

Capture math problems from any webpage and solve them in your browser with AI step-by-step explanations and accurate answers.

Selection Calculator - Highlight & Calculate

5.0

Floating calculator for website numbers, with Instant Mode, pause control and decimal separator settings.

Numberly

5.0

Instantly solve math equations and metric conversions as you type.

Calc — Simple Calculator App

5.0

Grab a quick and easy calculator right in your browser—perfect for fast calculations on the go!

TI-89 Graphing Calculator

2.0

Use a TI-89 Graphing Calculator on your Desktop. Access TI-89 at any moment in Chrome.

Cloudy Calc

4.9

A versatile calculator for Chrome based on Cloudy Calculator

Calculator Chrome

0.0

handy tool that adds a calculator to your web browser, allowing you to quickly perform mathematical calculations while browsing.

Equation Solver

5.0

Equation solver in your browser side panel. Step-by-step solutions adapted to your grade level.

Calculator [Alt + C]

5.0

A simple calculator for those quick calculations, without leaving the browser

Mental Math Trainer

5.0

Try Mental Math Trainer for quick math practice. Mental arithmetic app with training drills uses math trainer to solve daily

Scientific Calculator

0.0

Google Scientific Calculator, convenient and fast calculation

Calculator Extension

2.1

Your calculator - Get Instant Results for calculations on Chrome and be able to search using Microsoft Bing search engine

NerdBuddy: AI Math Solver & Homework Helper

5.0

Capture math problems from any webpage and solve them in your browser with AI step-by-step explanations and accurate answers.

Selection Calculator - Highlight & Calculate

5.0

Floating calculator for website numbers, with Instant Mode, pause control and decimal separator settings.

Numberly

5.0

Instantly solve math equations and metric conversions as you type.

Calc — Simple Calculator App

5.0

Grab a quick and easy calculator right in your browser—perfect for fast calculations on the go!

Google apps