Book description
Can one prove that 1 + 1 = 2? How long is the coastline of Britain? Which US president proved Pythagoras' theorem on right-angled triangles? Who originated the quadratic equation we learned at school? In how many ways can you tile your bathroom? Is there a formula for prime numbers? How often are two winning lottery numbers consecutive? Who was the witch of Agnesi? What is 'the most important theorem in mathematics'? Who scratched mathematical equations on a Dublin bridge? What is a 'space-filling curve'? Must all infinities be the same size? These and many other questions are answered in this book which presents eighteen 'Stories' featuring famous mathematical equations and their historical development. The equations arise from geometry, arithmetic, algebra, calculus, combinatorics, number theory, and mathematical logic, and range over 4,000 years from early counting and circle measurement via Renaissance algebra to fractal geometry, and from the geometry of the ancient Greeks via the development of calculus to Boolean algebra and computing. The Stories are well illustrated with historical artefacts and explanatory diagrams.Presented in a straightforward, intelligible, and entertaining manner, Sum Stories is written for general readers of all ages with an interest in mathematics and its historical development.
Slinger
Audiobooks have brought a new level of enjoyment to my daily workout routine. Navigating audiobooks with ease – this app's functionality is a standout. I'm blown away by the attention to detail in every aspect of this app. The noise reduction feature is a game-changer for clearer dictaphone recordings. The app is perfect for multitasking. I can listen while doing other things.
Venom Petunia
The narrator's voices are so soothing – a perfect way to unwind after a stressful day. Navigating through chapters is a breeze. I can easily jump to the parts I want to listen to. ListenBook has become my workout companion. It keeps me engaged and entertained during exercise. I love the ability to share my progress with friends. It’s a fun feature. ListenBook is hands down the best audiobook player I’ve ever used. The interface is clean, intuitive, and packed with features like customizable playback speed and sleep timers. It supports all formats, which is a huge plus for me. Highly recommend!
VisionVoyager
The ability to change playback speed and audio volume on ListenBook gives me full control over my listening experience. Audiobooks on this app have made my daily walks a time of reflection and inspiration. I'm hooked on this app's ease of use – it's a reader's dream come true.
Purity Catnip
My kids are hooked on the children's audiobook collection – it's a parenting win! This app's intuitive features and easy navigation make it the perfect companion for any audiobook lover. Adjusting playback speed has revolutionized the way I consume audiobooks. I can cover more ground while maintaining comprehension.
Dandelion
With ListenBook, I can effortlessly manage and organize my audiobook library. I love the chapter navigation feature. ListenBook makes it easy to find specific sections.
Mr. Gadget
I'm amazed at how this app has made my workouts more motivating and my audiobooks more accessible. 📱 Unlocking the world of literature with just a tap – this app is my digital library card! 📚📱 This app is perfect for audiobook lovers. The interface is beautiful and easy to navigate. The app is so versatile. It works with all my devices.
Spooky Yellowjacket
Audiobooks have transformed my daily walks into a time of inspiration and learning. The app's compatibility with CarPlay enhances my driving experience. Audiobooks on the road have never been better. This app is perfect for anyone who loves audiobooks. The interface is sleek and modern, and the playback controls are super responsive. I also appreciate the cloud integration, which lets me access my books from anywhere. Great work! Good but not great. The narration was competent but lacked the extra spark that makes some audiobooks truly special. Still worth a listen though.
Venom Charms
ListenBook's smooth playback and easy navigation ensure that my audiobook experience is always top-notch. With ListenBook, I can now listen to my favorite audiobooks and speeches with the utmost comfort and convenience.
ThoughtTracer
This app has transformed my screen time into valuable learning and entertainment. I can't believe how much I've learned and enjoyed through this app's audiobooks. With this app, I can seamlessly switch between audiobooks and real life. Organization made easy! This app's efficient management of my audiobook collection ensures I'm always engrossed in a captivating tale. 📖📱 Looping playback and shuffle features keep my audiobook sessions engaging and fresh.
Sprinkle Lovenuts
I can't believe how easy it is to dive into a new world with this app. Audiobook magic at my fingertips! This app's thoughtful features, such as statistics tracking and audio filters, have added a new layer of excitement to my reading journey. 📚✨ ListenBook's support for looping and shuffling playback adds versatility to my audiobook enjoyment. Listening to audiobooks on my iPad has never been easier. Highly recommend ListenBook!
Tin Mutt
I can't imagine my audiobook routine without ListenBook's intuitive and user-friendly design. This app has transformed my daily walks into insightful journeys of knowledge – talk about efficiency!
Sky Dahlia
This app has completely transformed my daily routine. I can't imagine my commute without it! I’ve been using ListenBook for months, and it’s been a fantastic experience. The app is lightweight, doesn’t drain my battery, and works perfectly in the background. The equalizer and voice boost features are amazing. Highly recommend!
RedFisher
Talk about convenience! This app's ease of use and support for multiple audio formats ensure that I can enjoy my favorite stories without any hassle. 📱🔊 ListenBook's intuitive layout and quick access to chapters make audiobook navigation a breeze. CUE playlist support is a fantastic addition. It helps me organize my audiobooks effortlessly. Finally, an app that supports all my audiobook formats! ListenBook is a game-changer.
Valley Guardian
This app has made me appreciate the art of storytelling even more. 🧘♀️☕ Sipping tea and getting lost in stories – the ultimate way to unwind! 🍵📖 💼 Making every minute count – this app's ease of use ensures I'm always making progress in my audiobook adventures. 📱📖 The auto-rewind feature after interruptions is a small thing that makes a big difference. Automatic artwork and metadata extraction keep my audiobook library organized and visually appealing.
DZE
The selection of classics is a treasure trove for literature enthusiasts. Sharing audiobooks with friends is a bonding experience made easy through AirDrop and sharing options.
Cinder Coffee
Effortlessly managing my audiobook library – this app's design is commendable. ListenBook has become my trusted companion. It's my go-to app for expanding my knowledge and enjoyment.
Indestructible Potato
This app makes traffic jams a breeze – time flies by while I'm engrossed in a story. Kudos to the developers for creating an app that caters to audiobook lovers like me. From sleek design to functional features, it's a true gem. 💎📚
Crossing Guard
I'm amazed at how this app seamlessly integrates with my daily routine. This app is my audiobook haven. With a user-friendly interface and features like audio filters, I'm engrossed in stories like never before. 📖🔊 ListenBook's tone adjustment feature in the Pro version is a creative tool that adds a fun twist to my audiobook journey. Chapters make it so easy to pick up where I left off. No more hunting around. Sharing books with friends via AirDrop is so convenient. Thanks, ListenBook!
RiddleRanger
The bookmark feature is a lifesaver – no more losing my place in the story! Listening to audiobooks has turned mundane tasks into enjoyable experiences. 💃 Dancing through chores with audiobooks – this app turns cleaning into a lively and literary affair! 🎶📚 This audiobook made my workouts fly by! The engaging narration kept me motivated to keep listening, which meant longer gym sessions. The narrator's energy matched the material perfectly - upbeat when needed, somber when appropriate. A great example of how narration can enhance text.
Corny
ListenBook is like a personal audiobook curator, allowing me to enjoy my favorite speeches and lectures with unmatched comfort and convenience. I never thought I'd find an app that supports such a wide range of audiobook formats. ListenBook is a true gem! Listening stats motivate me to read more. Great feature!
Playing a wide variety of audio formats
Works on all devices with iOS 13 and newer
Huge amount of features for a small price
Frequent updates to add new features and improve existing ones
Advanced playback controls
Live sound processing
Changing the timbre of the reader's voice and noise reduction
Translated into more than 20 languages
If you love listening to fiction audiobooks, ListenBook has features to make the process easier.
Edit book data: title, author, cover
Use equalizer to make the sound comfortable for you
Adjust the playback speed
Enjoy dark and light app themes
Supported formats: MP3, M4B, AWB, FLAC, OGG audio files and many more (must be DRM free)
Auto-Bookmarks make it easy to find your place
AirPlay support allows redirection of audio output.
VoiceOver support
Dark mode for night owls
Convenient bookmarking system helps you mark the most important places.
Unlimited bookmarks for each audiobook
Put your own cover on the wager
Share your audiobook with friends
Lock-screen control
Customise app with extensive options
Sleep timer with shake to reset, set custom notification sounds, and a few unique options
Auto rewind depending on paused time, customize rewind times to your liking
Removing background noise from recordings made in classrooms and meetings
Changing the timbre of the reader's voice for a better listening experience