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Best Algebraic Topology

DROP + HIFIMAN HE-R7DX Over-Ear & Closed-Back Headphones with Detachable Cables, 50mm Dynamic Drivers, High Sensitivity, Easy to Drive Pro Studio Monitors, Midnight-Blue

  • A GAME-CHANGING CLOSED-BACK COMPETITOR: Outfitted with large 50-millimeter dynamic drivers and HIFIMAN’s innovative Topology Diaphragms, the HE-R7DX delivers excellent isolation, impressive details, and open-back-level soundstaging..
  • TUNED FOR TRANSPARENCY: Tuned for transparency, it’s a workhorse tailor-made for home and pro studios, as well as higher-noise environments such as communal living areas and commutes. Large 50-millimeter drivers are tuned for midrange focus, high-end clarity, and low-end punch..
  • UNCOMPROMISING COMFORT: It features hand-stitched protein leather headband, and Focus-A hybrid earpads to provide uncompromising comfort—no matter where you choose to listen..
  • EXTREMELY VERSATILE: A pair of high-efficiency, closed-back headphones that don’t need a fancy amp to sound amazing. Listen to them directly from your phone, laptop, or desktop computer..
  • TOPOLOGY DIAPHRAGM TECHNOLOGY: The Topology Diaphragm features an innovative, uniquely-manipulatable nanoparticle coating on its surface. The coating allows precise tailoring of sound wave formation allowing for a level of sonic control never before seen in headphone drivers..
  • Included components: manufacturer’s 1-year warranty.
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LifeChamp 15” Wooden Chess Set for Adults and Kids - Algebraic Notation, Handcrafted Wood Pieces, 2 Additional Queens, Portable Foldable Board Game

  • Algebraic Notation For Learning: Go from casual chess player to future Grandmaster-in-training when you start learning what every organization in the world uses to describe chess play: algebraic notation! It’s perfect for teaching youngsters the more serious aspects of chess, plus it makes a fantastic tournament chess board, too!.
  • Includes 2 Extra Queens: When you manage to sneak past your opponent and promote your pawn to an all-powerful queen, the experience can feel a little lackluster. After all, how are you supposed to “remember” that pawn is really a queen when it still looks like a pawn? With one extra queen for black and one for white, promoting pawns is easy and seamless!.
  • Secure Chess Piece Storage: Never lose another rook, knight or bishop with a unique storage design that keeps all your chess pieces right where they belong. With built-in elastic straps, each piece fits snugly against the board -- even after traveling and heavy movement. The best part? You’ll never hear another loose chess piece rattling around inside!.
  • Foldable For Easy Storage: Friends and family only have so many games in them before they’re tired of all the checkmating. When it’s time to call it a night, fold the chess board in half for quick, compact sto....
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Victor V34 Engineering/Scientific Calculator

  • Innovative two-line scrolling display shows multiple inputs and results simultaneously for ease of use..
  • Algebraic logic allows equations to be entered as they appear on printed page..
  • Trigonometric functions in degrees and radians..
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Sharp EL-531XBGR Engineering/Scientific Calculator

  • Direct Algebraic Logic to Simplify Entry of Equations.
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HP 10bII Financial Calculator

  • Intuitive keyboard layout with easy-to-read labels.
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HP 50g Graphing Calculator

  • New display upgrade--the new HP 50g display features a 30% increase in usable space over the HP 49g+.
  • New powerful SD card slot allows you to format your card right in the calculator and expand memory.
  • Massive 2.5 MB total memory--512 KB RAM plus 2 MB flash ROM for performing future upgrades**.
  • New larger equation library and 2300+ built-in functions--ideal for both professionals and students.
  • The choice of efficient RPN, Textbook or Algebraic data entry.
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Hifonics TPS-A500.2 THOR Series Class-D 2-Channel 2-Ohm Stable Powersports Amplifier For Polaris RZR/ATV/UTV/Cart/Boat

  • Hifonics TPS-A500.2 500W Peak THOR Series Class-D 2-Channel 2-Ohm Stable Powersports Amplifier.
  • MARINE GRADE PROTECTION: Amplifiers are ABYC and ASTM certified which defines that marine amplifiers must use conformal coated PC boards to resist....
  • PRE-AMP CIRCUITRY: Low Noise Pre-Amplifier Stage Special preamplifier reduces incoming noise from source units dramatically improving sound quality.
  • CLASS / TOPOLOGY: Full Range Class D Highly efficient circuit topology which helps the amplifer develop a lot of power in a very small heatsink..
  • DIAGNOSTICS: Three-stage protection circuits Monitor thermal, overload, DC, and speaker short protection with lighted indicators on the amplifier end....
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HP 50g Graphing Calculator (Renewed)

  • New display upgrade--the new HP 50g display features a 30% increase in usable space over the HP 49g+.
  • New powerful SD card slot allows you to format your card right in the calculator and expand memory.
  • Massive 2.5 MB total memory--512 KB RAM plus 2 MB flash ROM for performing future upgrades**.
  • New larger equation library and 2300+ built-in functions--ideal for both professionals and students.
  • The choice of efficient RPN, Textbook or Algebraic data entry.
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Astrobrights-25910-01 Filler Paper 8 x 10-1/2 Inches 20 lb Assorted Colors 100 Sheets

  • Astrobrights Filler Paper measuring 8" x 10-1/2" comes with wide ruling and 4-color assortment. 20 lb Paper is fun and memorable, sold as 100 per....
  • A clever short-story, an algebraic equation or a dynamic speaker's notes are just too exciting for boring white paper.
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ASUS SBC Tinker board RK3288 SoC 1.8GHz Quad Core CPU, 600MHz Mali-T764 GPU, 2GB

  • High performance QuadCore ARM SOC 1.8GHz with 2GB of RAM -The Tinker board features the Rockchip RK3288 Soc with Mali – T764 GPU and 2GB of Dual Channel DDR3 memory.
  • Non shared GBit LAN, Shielded Wi-Fi with upgradable antenna support – Tinker board features a high speed non shared GBit LAN port for improved performance along with integrated shielded Wi-Fi for robust IOT & network connectivity.
  • Highly compatible PCB & Topology –Leveraging industry standard PCB & topology dimensions along with IO and connection placement, Tinker board offer extensive compatibility with SBC accessories & chassis..
  • HD Audio & HD & UHD Video Support – Tinker board supports HD audio 192/24bit audio along with accelerated HD & UHD ( 4K ) video playback support* requires use of Rockchip video player in TinkerOS.
  • DIY Friendly Design – Tinkerboard features multiple DIY friendly use features including a color coded GPIO header, silkscreen PCB and color coded pull tabs.
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Learning Resources Magnetic Algebra Tiles, Algebraic Math Skills, Magnets for Any Magnetic Surface, 72 Piece Set, Ages 11+

  • Magnetic tiles are ideal for whole-class demonstrations or individual student work.
  • Teach algebraic principles with concrete models that work on the whiteboard.
  • Includes 72 magnetic geometric shapes in a variety of sizes.
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XTOOL D9 Automotive Diagnostic Scan Tool with 3 Years Updates($900 Value), 2023 Newest, CAN FD & DoIP, Topology Mapping, 42+ Services, ECU Coding, Bi-Directional Control, All Systems Diagnostics

  • 【Smart Diagnostic System】XTOOL D9 is a 2023 new released 9.7” smart diagnostic tool featured OE level all systems diagnostics, Module Topology Mapping, full bi-directional controls, 35+ special functions, ECU coding capabilities, support CAN FD/DoIP/RP1210/OBDII protocol vehicles, comes with Complete Connector Kit and can work with key programmers, inspection camera to extent capabilities. NOTE: Please reach us with VIN # via xtoolofficial @ hot mail c om to check compatibility before purchase!.
  • 【Module Topology Mapping】XTOOL D9 intelligent diagnostic computer comes with Module Topology Mapping that displays interrelationships among various vehicle modules and views faulty modules in one glance to reduce guesswork performing all systems scan and improve diagnostic efficiency by 60% for automotive technicians, mechanics, car dealers and advanced DIY mechanics. NOTE: Software already released for GM, for Ford, for Toyota, for Honda, for Nissan, for Mazda and for BMW. More to come..
  • 【ECU Coding + Programming】XTOOL D9 ECU Programming & Coding tool can perform Offline Programming on Ford, Lincoln, Mazda vehicles, to update ECU software/firmware, program....
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Learning Resources Minute Math Electronic Flash Card Homeschool Early Algebra Skills 3 Difficulty Levels Ages 6+

  • Encourages practice of operations (add/subtract or multiply/divide) and early algebraic skills related to equations and the commutative property.
  • Offers a 60–second timed mode and a low–pressure untimed mode, plus 3 levels of difficulty.
  • Reinforces arts of the equation through color–coded screen frames.
  • Provides positive, corrective feedback—both visual and auditory.
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