Mathematics

You're warmly invited to our seasonal Open Studios, to leisurely stroll around our 27 workshops and studios, meet the artists and look at a variety of art and handmade crafts - from painting to photography and from Japanese ceramics to silk screen prints. My studio (F9 upstairs) will have a selection of colourful new mixed media still-life paintings ( portable and affordable!) as well as the usual large mixed media landscapes and " merchandise" A lovely pop-up cafe will serve Japanese refreshments Family and dog-friendly All welcome, its a nice day out! Lydia

Kick off your week with music, movement, and great vibes. Come solo or with friends—no partner needed! **Schedule (This Sunday):** • 6:00 PM – Free Bachata Taster • 6:30 PM – Bachata Classes (3 Levels) • 7:30 PM – Salsa Classes (3 Levels) • 8:30 PM–23:00 AM – FREE Social Dancing (Salsa, Bachata, a touch of Kiz) **What to expect:** • Friendly teachers, clear level splits, and lots of practice time • Great music and a welcoming crowd for all levels—absolute beginners to improvers • Central location, easy transport, and good vibes all night **Why social dancing is good for you:** Social dancing is a fun workout that boosts your cardio, coordination, and posture—without feeling like “exercise.” It reduces stress, fires up your brain with musical timing and footwork patterns, and improves confidence through gentle challenges and quick wins. Dancing with different partners builds connection, empathy, and communication skills (you literally learn to “listen” with your body). It’s also an incredible way to make friends and feel part of a community—one song at a time. Good to know: • No partner or experience required • Wear comfy shoes, bring water, and arrive a bit early for level check-in • Classes start right on time—don’t miss your warm-up! Price: £10 one class £15 two classes 6:00 PM class is FREE intro to bachata RSVP now so we can plan levels and floor space. See you on the dance floor! 💃🕺

Hey everyone! **Join us to watch:** [The Invite](https://www.imdb.com/title/tt14173636/) (2026) **Tagline:** Everything is on the table **Blurb:** Joe and Angela's marriage is on thin ice. When they invite their enigmatic upstairs neighbours for a dinner party, the night spirals into unexpected places, revealing deeply repressed emotions and unexplored sexuality. **Principal cast:** Seth Rogan, Olivia Wilde, Penélope Cruz, Ed Norton **Director:** Olivia Wilde **Writers:** Cesc Gay, Rashida Jones & Will McCormack **Produced by:** Annapurna Pictures, FilmNation Entertainment, Permut Presentations **Genre:** Romantic comedy drama **UK BBFC rating:** [15 with very strong language, strong sex references and drug misuse](https://www.bbfc.co.uk/release/the-invite-q29sbgvjdglvbjpwwc0xmtezndu2) **Length:** 1h 47m **Trailer:** [YouTube](https://www.youtube.com/watch?v=7YIHRhRMn94) **Cinema:** Cineworld West India Quay **Screen:** 8 (third floor) **Screening times:** 17:40 (the film will start around 18:00) until around 19:50 **Details and tickets:** [Cineworld website](https://www.cineworld.co.uk/films/the-invite/ho00014834#/buy-tickets-by-film?in-cinema=london&at=2026-07-05&for-movie=ho00014834&view-mode=list) **Where to sit:** * Feel free to book your seat anywhere that's comfortable for your viewing needs * **Note:** At Cineworld West India Quay, the rows with fewer seats (as shown on the seating plan when you book) are the previously branded 'Star Seats' (which is the standard type of seat for all screens at Cineworld at The O2), which are wider and more comfortable, with pivoting backs and liftable arm rests, so you may prefer to book one of those **How to find us:** * We meet **after** the film finishes, outside the screen, in the corridor **Post-movie activity:** * When we're not watching another film after this one, we tend to go to a pub, bar or restaurant afterwards for drinks and/or food, and discussion * The venue will be decided on the day, after we meet outside the screen (but we usually go to [The Ledger Building](https://www.jdwetherspoon.com/pubs/all-pubs/england/london/the-ledger-building-docklands)). **Note:** The adverts and trailers at this cinema now run for approximately 20 to 25 minutes from the advertised start time. **Note:** This event is cross-posted with [another Meetup group event](https://www.meetup.com/london-social-unlimited-movie-club/events/315549609/). The idea of this is to increase the overall attendance. We hope to see you afterwards, Dave

Looking for a Sunday that feels like a soft slice of summer? Join us for a beautiful 12–15 km loop through the Darent Valley, where riverside paths, rolling green fields, and blooming lavender come together in one of Kent's most charming landscapes. This valley has been shaped by centuries of life and travel, and you feel it as soon as you step onto the trail. We'll pass beneath the towering arches of the Eynsford Viaduct, a Victorian engineering landmark that has carried trains across the valley since the 1860s. Further along, the route brushes past the historic grounds of Lullingstone Castle, a Tudor manor once visited by Henry VIII and home to the Hart Dyke family for over 500 years. From there, the path opens into the quiet lanes of Shoreham village and the purple shimmer of the lavender fields drifting across the hillsides. As we move through meadows, woodlands, and open countryside, the day settles into that easy summer rhythm where everything feels unhurried and lightly golden. It's the kind of walk where the scenery does the talking: the river winding beside us, the scent of lavender in the warm air, and the countryside unfolding in soft greens and purples — a Sunday that feels sun-warmed, peaceful, and just a little bit dreamy. We will head to a pub near the station when we finish for a pint or/and lunch. ## 📅 **Event Details** **Meeting Point:** Eynsford Station (Start / Finish) **Meeting Time:** 10:15 AM for 10:30 AM sharp start. **Distance:** approx. 12 to 15 km **Elevation:** \~300 m approx **Difficulty:** Moderate **Pace:** Steady **Estimated Finish:** Around 2 PM ## 🌿 **Route Highlights** * **Eynsford Viaduct Viewpoint** — one of Kent’s most photogenic spots, especially in summer light. * **Ancient woodland paths** around Ashen Bank, offering shade and cool forest air. * **Shoreham Village** — postcard‑perfect with its stone bridge and riverside charm. * **Darent Valley Path** — peaceful riverside walking with open fields and gentle breezes. * **Shoreham Lavender Fields** — with sweeping purple rows and great photo opportunities. * **Lullingstone Country Park** and **Castle** — meadows, woodlands, and a relaxed finish back toward Eynsford. This is a circular route full of **colour, greenery, and soft summer atmosphere** — the kind of day that feels wrapped in the easy warmth of summer countryside. ## 🎒 **What to Bring** * Comfortable hiking boots or sturdy shoes * At least **2L of water** * Packed snacks * Sun protection (hat, sunglasses, sunscreen) * Light layers — summer can still surprise * Good vibes and your best Sunday‑summer energy ## 📌 **Important Notes** * **Stay Together:** Please stay with or behind the hike leader to keep the group moving smoothly and regular catch ups. * **Respect the Area:** Parts of the route pass through the **Kent Downs National Landscape** — please respect wildlife, fields, and local guidelines. * **Group Rules:** Please read the “About Us” section before joining: [https://www.meetup.com/free-hiking-outdoor-fitness-and-social-activities](https://www.meetup.com/free-hiking-outdoor-fitness-and-social-activities?utm_source=copilot.com%20%22www.meetup.com%22) * **Safety:** This is a voluntary activity. You are responsible for your own safety and for respecting fellow walkers, wildlife, and the environment. No risk or service is inferred or accepted by the organiser. 📱 **If you’re lost or running late:** 07830 374 629

**ENJOY TANGO WITH US!** Join us at the welcoming and professionally-run weekly classes and Milonga at Los Angelitos, London’s friendliest tango social dancing space. Start your afternoon with classes: * first for complete beginners at 2pm for your first steps * also at 2pm the Improver class for those with a little more experience * at 3pm by the Intermediate and Advanced class covering more challenging technique and steps Classes by various professionals with a long experience. After the lesson enjoy the social dancing, with traditional music by different TDJs, the Buenos Aires style with tandas and cortinas. Our hall features a smooth wooden floor, plenty of space, tables that can be reserved for groups of 6+, and a great atmostphere. Plus with free cakes and drinks on Sunday afternoon to keep you dancing. **COSTS: PAY BY CASH AT THE TILL** * Beginner class or improver class (one hour): normally £15 but if it is your first class, RSVP with Meetup and we offer you £5 OFF :-). * Intermediate and up class at 3pm: £20. * Milonga: £12 only including free drinks and cakes A perfect Sunday! This week's programme and costs: **[https://tanguito.co.uk/sunday/](https://tanguito.co.uk/sunday/)** A bailar! The team at Tanguito

Class is now sold out. Date: Sunday 5th July 2026 Time: 13:30-16:00 Location: Lift Islington

**BOOK HERE**: https://sportas.co.uk/games/50778 **Game Description:** Come and play in a casual​​​​​​​​​​​​​​​​​​​​​​,​​​​​​​​​​​​​​​​​​​​​​ friendly & social badminton session. The session is for mixed ability players. So please be respectful and kind towards less experienced players - we all have to start somewhere join our WhatsApp group: https://chat.whatsapp.com/K507zMefM5pItnjxbXEgNg?mode=ems_copy_t We use YONEX MAVIS 600 Nylon Shuttlecocks. We have 2 spare rackets, or you can rent rackets from the sports centre (I think it’s about £2.50, but not sure) Format: We play doubles for the whole time and keep rotating opponents/partners across courts so everyone plays each other. **Rules** Classic doubles rules - can be explained at the start of the session if you’re new to badminton or need a reminder.

***Important that you turn on your Meetup Notification for messaging!*** * Doubles Session Fee (3 hours): £14.00 * Full session fee is charged for late cancellation, No-Show or Failure to attend, regardless of waitlist status ***Cancellations is 12 hours before session start time*** **Payment**:- £14 (for 3hrs of badminton) * This can be made by cash on the day or by bank transfer to **Sort Code: 23-05-80** **account: 55411069** Name: **London East Badminton Club** Please ensure that you use your **Meetup name** and the **session date** as **reference**. This is so we can match the payment to you...thanks. **About the session** This session is for **High Intermediate and advanced players** looking to challenge themselves with competitive play using high-quality feather shuttlecocks. If you consider yourself of that level but unsure you can come for a trial. Please sign up in the usual way. Normal session fee will apply If you are a beginner, improver, or Intermediate we warmly invite you to join our other sessions tailored to your skill level and schedule. Come elevate your game in a dynamic and engaging environment! Please note, games must end promptly just before 5:00 PM The venue is approx. 10 mins walk from Leyton Station (turn left as you exit station and then make a right at Drapers Field towards Temple Mill Lane). If you're coming from Stratford Station, walk through Westfield towards Waitrose. Take the exit on the right called Celebration Avenue. Follow the road for several minutes and you will come to the entrance of the school on Temple Mill Lane which is on the right hand side. Still can't find it, call me on 07545 596305 If you are driving, there is a car park opposite the school. ***Please check parking fee*** There are also places in Leyton area that you can park for free. Please check road signages for timings. Simple "If" Rules: * If you want to attend, you must RSVP * If you want to bring a friend you MUST RSVP for them * If you do not RSVP, you will be turned away Please respect the session limit, they are for your own good as over crowdedness means less games for you! **Important Note:** Event is for **18 years and above only** to comply with Chobham Academy's safeguarding policy. You are responsible for your own safety and belongings. London East Badminton Club and Chobham Academy management are not liable for any injuries, lost items, or other incidents.

Taisoken Sword Fitness classes are formulated to sculpt your whole body, build lean muscle and focus the mind. Based on traditional Japanese sword movements (‘Taisoken’ literally means ‘exercise sword’ in Japanese) the class blends cardio and light weight resistance training to burn fat and build long lean muscles. We make use of traditional Japanese training swords (called ‘Bokken’) to tone our arms and strengthen our cores. No prior training or martial arts experience is required, the class is completely non-contact and suited to all levels of fitness. Come and join us every second Sunday for a strong work out - most weeks be pop to the local pub/café for a quick coffee or cake (and let’s be honest, sometimes both!) Meetup Cost: £10 Please bring the payment with you on the day and pay directly to Taisoken or you can make a bank transfer on the day. Classes are for ladies only. Back ground Info: Taisoken Sword Fitness has been developed and is led by Jeff Humm, who has been studying studying the use of the Japanese sword for over 45 years together with other traditional martial arts. He holds a Masters degree in Traditional Japanese Martial Arts and a 7th Dan in Japanese fencing (Kendo). The movements are authentic cutting actions, some dating back more than 3 hundred years when your life depend on how well you wield the Sword. By taking authentic Japanese sword movements of attack and defence, these actions have been formulated into practice routines which work and sculpt the full range of the body’s muscles. Additionally the routines require participates to focus and visualise their actions leading them to seeking perfection in application which in turn empowers the mind and develops greater body and mind equilibrium. The Japanese sword is sharp and slender, renowned and admired across the world for its beauty and image; those that can weld it effectively are held in great esteem and revered. They are resilient and tranquil, with poise and grace they move without effort, mind, body and sword as one. Please bring the payment with you on the day and pay directly to Taisoken.

Come and join us for our Church BBQ! 🍔🌭☀️ This week at International Cafe, we’re inviting everyone to join our church and volunteers for free food, friendly conversations, and a relaxed time together. It’s a great chance to practise speaking English with our English-speaking volunteers, make new friends, and learn more about British culture in a warm and welcoming community. 🇬🇧🤝 Everyone is welcome — whether it’s your first time or you’ve joined us before! So mark your calendars: 🍽️ Free Food from: 1:00 PM 📍 Address: EC1R 0EA, Inspire at St James Church 🚶 Only 3 minutes’ walk from Farringdon Tube Station Come hungry and bring a friend — we’d love to see you there! 🎉 Questions? Text Organiser: 07708228436

Most people use LLMs by feel: ask a question, read the answer, decide whether it “seems good,” and move on. That works for casual use. It does not work when you are building software, automating workflows, writing important documents, or relying on AI for anything that needs to be repeatable. In this talk, we’ll look at how to improve and evaluate the inputs and outputs of LLMs using practical measurement techniques. We’ll cover how prompt changes affect results, how to compare outputs, how to build simple evaluation sets, and how math-based methods like similarity scoring can help you move beyond guesswork. This will be beginner-friendly, so even if you don't know anything about AI, you should get something out of it. However, this will be a little more technical than our intro talks. You do not need to be an AI researcher, but programmers and technically curious attendees will get a lot out of it. We’ll cover: * Why “it looks good” is not enough * How to improve prompts by changing the input, context, and constraints * How to compare LLM outputs more systematically * Basic evaluation techniques for accuracy, consistency, and usefulness * How embeddings, cosine similarity, and scoring can help evaluate results * Where automated evaluation works — and where humans still need to stay in the loop By the end, you’ll have a practical mental model for treating LLMs less like magic and more like systems you can test, measure, and improve. LOGISTICS AND PARKING: The talk starts at 7:00 PM. The first half hour is reserved for everyone to get set up and mingle. Free pizza and drinks! The cheapest parking option is to find street parking, which will only cost you a few bucks. Otherwise, park in the nearby veteran's museum lot for $8. It's highly recommended you avoid the nearby $15 garage parking.

Jimmy V's Grill & Pub in Grandview Heights. You are responsible for your own meal/drinks. We usually don't have any agenda other than eat, drink and talk. :) If the weather is nice we will be on the back patio, otherwise we are in the cigar room. This group has been meeting every Tuesday evening for over a decade. Many attendees do not RSVP on meetup. Please don't let the small number here discourage you. Anyone/everyone is welcome to come. We'd love to have you join us. COTA bus #5 comes to W. 5th and Wyandotte Rd. And it's a minute walk to the restaurant.

**✅ Bachata Mondays with Todd Smith!** **👉 Beginner Bachata Class** **$15 In Advance / $20 At the Door** . 7:00 pm – 7:15 pm … Registration 7:15 pm – 8:15 pm … Beginner Class . **👉 Intermediate Bachata Class** **= $15 In Advance / $20 At the Door** . 8:15 pm – 8:30 pm Registration 8:30 pm – 9:30 pm Intermediate Class . **👉 If You Take Both Bachata Classes** **= $25 In Advance / $35 At the Door** . **👉 Buy Advance Tickets Now at:** . https://columbussalsadancing.com/bachata-mondays-dance-class-tickets/

Wild Thursday: THE INVITE on Thursday, July 9th at Cinemark Polaris! Join us as we get together to see the spicy and hilarious comedy-drama-romance from A24, THE INVITE! The film stars Olivia Wilde (who also directs) along with Seth Rogen, Penélope Cruz and Edward Norton, and follows a dinner party that spirals into unexpected places! Here’s a description, trailer and plan for this event: DESCRIPTION: Joe and Angela's marriage is on thin ice. When they invite their enigmatic upstairs neighbors for a dinner party, the night spirals into unexpected places. The film is an English language remake of the Spanish film The People Upstairs by Cesc Gay. It is directed by Olivia Wilde, who also stars alongside Seth Rogen, Penélope Cruz and Edward Norton. BUZZ & ACCLAIM: The Invite premiered to rave reviews at this year’s Sundance Film Festival and sparked an immediate bidding war to acquire it! The film is earning a 93% positive rating with critics calling it, “marvelously entertaining” and “endlessly relatable, sometimes uncomfortably so!” Others call it, “a smart, sophisticated and incisively acted” comedy “with plenty to say and even more laughs to share.” TRAILER: [https://www.youtube.com/watch?v=OJ19I9q_hOQ](https://www.youtube.com/watch?v=OJ19I9q_hOQ) PLAN: Details for this event have already been confirmed! Please purchase your ticket for the 6:45pm showing and we’ll meet in the lobby area between 6:20 and 6:30pm! Advance ticket purchase is advised! Once you have yours, please list your seat number in the Comments below. Look forward to seeing you there, Dan

We have moved to guild.host. Look us up there. https://guild.host/events/buckeye-cocoaheads-rcavwd

\*\*\*7/1 UPDATE\*\*\* THANK YOU for the GREAT response and extra thanks to everyone who RSVP’d + Prepaid (or made arrangements)! You are all set! Finalizing details now for what should be another FUN event and a GREAT time together! *For those RSVP’d but not yet pre-paid and those on the waiting list, here are the key dates:* * **Thurs, 7/9: If you are RSVP’d but not yet pre-paid, this will be the last day to make pre-payment to guarantee your spot!** Please pre-pay or make arrangements with me by Thurs, 7/9! * Fri, 7/10: All un-paid RSVP’s will move to the Waiting List. * Fri, 7/10: In fairness to those on the waiting list and to help us provide an accurate count to the theater and restaurant, all remaining spots filled first-come, first-served and will go to those making (or arranging) pre-payment. * Fri, 7/17: RSVP’s close. Last day to RSVP and pre-pay! \-\-\-\-\-\-\-\-\-\-ORIGINAL ANNOUNCEMENT\-\-\-\-\-\-\-\-\-\-\-\-\-\- Join us for a CMG Special Event you won’t want to miss: The Columbus Movie Group’s 17th Anniversary Party with THE ODYSSEY + BRAVO! Always a fun and memorable event, this year we’re combining a DELICIOUS meal in Bravo’s Banquet Room and a CMG Exclusive Private Screening of what’s certain to be one of the BEST films of the year: THE ODYSSEY! Plus, a great group of Movie Group friends to enjoy it with, and more! Here are complete details for this event: THE ODYSSEY: The film is an adaptation of Homer's ancient Greek epic that follows Odysseus, the Greek king of Ithaca, and chronicles his long and perilous journey home after the Trojan War as he attempts to reunite with his wife, Penelope. The film is written/directed by Chrostopher Nolan and the ensemble cast includes Matt Damon, Anne Hathaway, Tom Holland, Robert Pattinson, Lupita Nyong'o, Zendaya, Jon Bernthal, Mia Goth, Benny Safdie and Charlize Theron. Early buzz is strong for what should be an excellent epic film! TRAILER: https://www.youtube.com/watch?v=f_bKjZeJBBI MEAL PLAN: Meet at the Lennox Bravo between 1:45 and 2:00pm and we’ll be dining their upstairs Private Banquet Room! Just let ‘em know you’re with the Movie Group! Our meal includes \ \*bread \* unlimited soft drinks / tea \ \*choice of soup or salad \* choice of selected entree (including vegetarian/vegan options) \* dessert! Added perks: Door prizes and a little something for everyone as we celebrate 17 years of good movies, good friends and good times together! See meal details and options below. BRAVO MEAL DETAILS. All meals include: \* Freshly-baked focaccia bread \* Unlimited Soft Drinks, Coffee and Tea. (Pay-as-you-go Bar Drinks Also Available) \* Soup or Salad. Choices include: • Wedding Soup: Classic Italian Wedding soup with orzo, meatballs, spinach & Parmesan • Chopped Salad: Chopped greens, cucumbers, red onions, tomatoes, olives, feta, red wine vinaigrette (Vegetarian or Vegan w/out Feta) \* Choice of Entrée. Options include: • Chicken Marsala: Grilled chicken, marsala sauce, mushrooms, garlic mashed potatoes and seasonal vegetables • Pasta Bravo: Grilled chicken, rigatoni, mushrooms, roasted red pepper cream sauce • Pasta Bravo w/out Chicken: Rigatoni, mushrooms, roasted red pepper cream sauce (Vegetarian) • Eggplant Parmesan: Crispy breaded eggplant, marinara, mozzarella, herb linguine (Vegetarian) • Mediterranean Vegetable Salad: Entrée Salad with grilled seasonal vegetables, orzo, farro, sweet garlic vinaigrette, balsamic reduction (Vegetarian or Vegan w/out Feta) • Spaghetti Pomodoro: House-made tomato compote and basil (Vegetarian or Vegan w/out Parmesan) \* Plus, Dessert, Door Prizes and a little something for everyone to celebrate our CMG 17th Anniversary! MOVIE PLAN: We’ll be seeing a CMG-Exclusive Private Screening of THE ODYSSEY immediately following the meal at 4:00pm. We’ll head to the theater together immediately after the BRAVO portion of the event. We'll be in Theater #6! HOW TO GUARANTEE YOUR SPOT: Seating is limited and prepayment required to RSVP. Don't miss out -- please RSVP and pre-pay as soon as possible to guarantee your spot! All-inclusive pricing of $55 per person includes: salad, bread, entrée, beverages, dessert, tax, tip + private screening and a little something-something to take home with you! Prepayment via VENMO (@Daniel-Bezon), ZELLE (Daniel Bezon), or cash/check at any event between now and the Anniversary Party. If either payment option requests a phone number or if you’d like to mail payment, just send me a private message offline and I’ll send you the phone number and/or address. Look forward to seeing you there for what should be another fun and memorable event, Dan

Come join us for lunch together at Bendi Wok, one of my favorites!