Tab Mapper
The tab mapper is a handy little tool that will render a guitar tab file with graphic chord diagrams displayed alongside. This comes in handy for people who just don't have every single chord shape memorized. Just plug in the web site address of a valid .tab or .crd file and hit "Go". In general, the tab mapper does a better job with printer friendly URLs. If there is more than one way to play a chord, the tab mapper will choose the most common shape. To see other fingerings, click on the chord diagram and you will be taken to the chord calculator.
Original file located @ http://calcsprint.com.
Show me scales that sound good with the chords in this song: A, Do.
Skip to content calcsprint GameMathBlogExtension Beat the
clock at
mental math.
Two operands, one keypad, endless practice. No signup, no streaks to lose, no ads ? just the part of math that actually gets faster with practice.
Available on mobile
Simple training for faster mental math
CalcSprint is a lightweight mental math game designed for quick practice sessions. Choose one of four difficulty levels and solve an endless stream of arithmetic tasks with instant feedback. It works on desktop and mobile, supports both physical and on-screen keyboards, and stays intentionally minimal?no sign-ups, no leaderboards, no distractions.
Use CalcSprint for daily warm-ups, focused accuracy training, or speed-building sprints. If you want structured tips, scroll down to the blog?short, practical notes that help you improve without overthinking.
A simple browser game for mental math. Pick a level and solve endless problems with instant feedback.
Does it save my progress?No. This version is intentionally minimal: no accounts, no leaderboards, no server-side storage.
How does division work?Division tasks are generated to always produce whole-number answers (no fractions).
Is it mobile-friendly?Yes. The layout switches to a single-column view and the keypad buttons are sized for touch.
Is there a mobile app?Yes. CalcSprint is on the App Store and Google Play with the same drill ? no signup, no ads.
Read · Practice · Repeat.
Mental Math Basics: The 3 Habits That Matter
Small techniques that make you noticeably faster within a week of practice.
4 minA Simple 4-Level Training Plan
How to move through levels without burning out (and what to do when you plateau).
4 minHow to Get Faster Without Making More Mistakes
Speed comes from patterns, not rushing. Here?s a clean way to build accuracy first.
3 minAddition Shortcuts: Make 9s and 19s Easy
The fastest mental math comes from turning awkward numbers into friendly ones.
3 minSubtraction Tricks: Borrow Less, Think More
Subtraction feels slow when you try to do it like on paper.
4 minMultiplication Patterns You Can Memorize in 10 Minutes
You don?t need to memorize everything?just a few patterns.