Circle & Sphere vs Dollar and Cent

Do your homework instantly. Prepare for exams without stress. Free, complete step-by-step solutions. Enter your values and calculate: - Circle: radius, diameter, circumference and area - Sphere: surface area and volume - Circular sector: arc length and central angle HOW IT WORKS Enter your values in the correct fields and get started. You receive the solution instantly and can share it with friends or classmates. YOUR PERSONAL DATA We don’t need it. Only anonymized data is collected, for example: - which features are used - how many solutions are generated This helps us improve. We cannot identify you. COSTS Everything is free to use. 24/7 access to your solutions. All solution steps always remain complete. If you need many solutions in a short time, various purchase options are available. EXTRAS - Overview of all measures - all length units - curated learning videos - feedback for incorrect inputs - manage your own solutions - app introduction CONTACT Questions and feedback via Discord or directly in the app review.

Master US money - one coin and one bill at a time. Dollar and Cent is a learning game for school and everyday life. Three games train exactly what matters with money: paying correctly, counting quickly and comparing amounts with confidence. With real US coins and bills from 1¢ all the way to $100. PAY THE EXACT PRICE Every item has a price tag. Pay exactly the right amount with bills and coins from the wallet - not a cent too much. 18 levels with dollars only, cents only, or dollars and cents together. COUNT THE MONEY Coins and bills are spread across the table. What is the total? Enter it on the number pad. Three sections - cents, dollars, and dollars + cents - with 20 levels each. WHICH IS MORE? Two amounts, one quick decision: pick the bigger one. Both totals are revealed right away, so every round sharpens your sense for money. 20 levels, from easy to tricky. EARN, SAVE AND SHOP Correct answers earn money. Save it and spend it in three shops - and get a real feel for what things cost. GREAT FOR - Math lessons in elementary school - Practice at home and homework support - Anyone new to US coins and bills - Anyone who wants to count change faster and more confidently WHAT YOU PRACTICE - Real US coins: 1¢, 5¢, 10¢, 25¢, 50¢ and $1 - Real US bills: $1, $2, $5, $10, $20, $50 and $100 - Adding amounts, paying exactly, comparing values - Difficulty grows step by step - Progress is saved automatically ONE APP, EVERY SCREEN iPhone, iPad, Mac and Apple TV - also great on the classroom TV with the Siri Remote. FOCUSED AND PRIVATE - No ads - No in-app purchases - No tracking, no personal data collected - Works completely offline Dollar and Cent - learn money by using it.