Zahlenblitz

Calculate like a champion – in your head. Zahlenblitz teaches you the proven tricks of mental math: understand first, follow each step, then practice until you're lightning fast. THE 11 TRICKS Free: • Adding from left to right – calculate the way you read • Subtracting with round numbers – no awkward borrowing ever again • Swapping percentages – 4% of 75 becomes 75% of 4 • Lightning multiplication by 11 – slide the digit sum in between With Zahlenblitz Premium (one-time purchase, no subscription): • Squares of numbers ending in …5 • Squares with decade anchors • Multiplying near 100 • Cube roots on the spot • The 1089 stunt • Number memory: the Major System • The weekday for any date HOW IT WORKS • Learn: every trick explained in clear steps – with example problems on two levels (easy & hard) and a step-by-step playback • Trainer: random problems on 3 levels – with time, streaks and points • Progress: your statistics for every trick, always at a glance • Language: German & English, switchable anytime in the app WHY ZAHLENBLITZ • 100% offline – works on the train, at school, in airplane mode • No ads, no accounts, no tracking • Your progress stays on your device – your data belongs to you • Premium: unlock once, no subscription, no hidden costs For everyone who wants to calculate faster: students, professionals – and anyone who likes keeping their mind sharp. Questions or feedback? Write to us: zahlenblitz.support@gmail.com