Categories

Best Discrete Mathematical Structures

Utoolmart Professional Geometry Compass Set,Math Compass Drawing Compass Metal Precision Compass for Drafting School Woodworking 1 Pcs

  • 【Material】- Compass made of good quality metal, parts and solid construction, all metal, durable and can repeat to use for a long time..
  • 【High Quality】- Adjustment wheel makes drawing easy and fun.By adjusting center wheel you can easily change the radius of the circle..
  • 【Multifunction】- With it, you can draw a variety of circles for mathematical geometry and artistic painting, quickly done your work.Perfect for....
  • 【Special design】- All metal material, not easy to be damaged or broken, and can be applied for a long time.It is easy to adjust, great for precise....
  • 【Wide Application】- Precision math compass suitable for mathematical geometry and art drawing.Ideal tool for students, teachers, carpenters,....
Check Stock

Do Dice Play God?: The Mathematics of Uncertainty

  • ...he Dice: the dices are 16 mm, with compact and apropos size designed that it convenient for you carry them to anywhere..
  • Fuction: Each surface of the game and teaching dice with 3 difference face, like numbers, arithmetic operations and dots, in order to easy reading, mathematical operation and understand mathematical geometry.Dice also make excellent Teacher's aids, encouraging simple arithmetic, great for board games, dice games or teaching math! And also perfect for stocking up rec centers,game rooms, board game..
  • Ideal Lesson Tools for Teachers:These dice to help the lesson pop,such as sorting, addition, subtraction and probability activities. They will be make your students more focus on the teacher's tutorial.A perfect learning aid for introductory to advance mathematics curriculum.ideal lesson tools for your choose..
  • More Application: These math dice perfect for elementary classrooms, schools, gaming , game sets, educational games and also suitable for birthday parties charity events, and casino parties..
Check Stock

Star Right Magnetic Letters and Numbers - 104 Educational Alphabet Refrigerator Magnets for Vocabulary, Sentence Building and Math Skills Includes Uppercase, Lowercase and Math Symbols

  • VOCABULARY SKILLS: Combine 26 uppercase letters and 56 lowercase letters into vocabulary words, and practice sentence building along with punctuation uses..
  • MATHEMATICAL SKILLS: Take a break from vocabulary and practice counting, as well as simple addition and subtraction, with 20 numbers and 6 mathematical symbols..
  • COLORFUL AND MAGNETIC LETTERS: Perfect for a refrigerator, easel, or anything with magnetic capabilities. Let your child watch their vocabulary displayed proudly. Each colorful letter fits comfortably in a small child’s hand, yet is large enough to be safe from choking..
  • ECO-FRIENDLY, NON-TOXIC, FOAM LETTERS and NUMBERS: All of our materials are non-toxic and completely safe for both your child and the environment!.
  • EASY STORAGE: Star Right makes it easy to have fun on the go! Our alphabet storage container has twist-off lid and a handle, making clean up and travel simple for all involved..
Check Stock

Boys Toys for 3-9 Year Old Boys Girls,Math Games for Kids Ages 3+,Montessori Toys Autism Sensory Travel Toys,Birthday Stocking Stuffers for Kids-Blue

  • ...umbers, and the third is to finding the rules out. There are 5 levels in each game and each level has 5 questions, and the difficulty of each level will gradually increase. Puzzle number games can stimulate children's interest in learning. Exploring the mysteries of mathematics, and exercising children's memory and mathematical thinking through games.
  • 【Toys for 3+】This education toys has four basic algorithms,including single-digit addition and subtraction,single-digit addition and subtraction size comparison,two-digit addition and subtraction,two-digit addition and subtraction size comparison,multiplication and division within 1-10 method,multiplication and division size comparison within 1-10.Kids can easily master and learn the basic operations of mathematics Each algorithm will have corresponding exercises as reinforcement.
  • 【Gifts for 3+ year old boys girls】: Full charge can be used for 10 hours, Note: If you are in a quiet place such as a library, long press this button to turn off / on the answer sound effect.Automatic shutdown after 10 minutes of not using, very power saving.This early education toy has addition, subtraction, multiplication and division formulas within 1-10, allowing children to easily memorize formulas in a subtle way, ....
Check Stock

OLD NOBBY Organic Chemistry Model Kit 115 Pieces - Molecular Model Kit for Students & Teachers with Atoms, Bonds, Instructional Guide, and Bonus Bond Remover Tool

  • MOLECULAR MODEL KIT: The Educational Molecular Modeling Kit is designed for Easy Chemistry learning of organic, inorganic, and functional groups. The Molecular Model Kit will teach you how to balance chemical equations, and model advanced organic structures like cyclic compounds and stereoisomers..
  • CHEMISTRY MODEL KIT IN 3D - This 3D molecular model kit which consists of 50 atoms and 64 flexible links clearly displays the connections between atoms and allows you to build double and triple bonds. The hands on modeling kit for organic chemistry helps students have a clearer visualization of chemistry by demonstrating the structures & geometry of compounds..
  • 3D VISUAL LEARNING: The 115-piece Molecule Model Kit is built for students from Grade 7 to graduate level, with Color Coded bonds to help visually understand and demonstrate the structure and geometry of compounds. All Atoms are color coded to universal standards, making the Old Nobby Molecular kit your best Chemistry friend..
  • ASSEMBLE COMPLEX STRUCTURES IN MINUTES: The Molecular Model Kit for Organic Chemistry contains high-quality Atoms and Bonds that seamlessly connect and disconnect to ensure you don't get tired fingers. Bonus link remover included to make the task of dissembling your Molecular Mod....
Check Stock

Warm Audio WA12 MKII Single Channel Microphone Preamplifier & Instrument DI- Black

  • Single channel microphone preamplifier and DI with XLR, Balanced and Unbalanced Inputs.
  • Discrete 6-pin socketed 1731 style opamp.
Check Stock

Golden Age Project COMP-54 MKIII Single-channel Vintage Style Compressor

  • True to the Classic ‘76 compressor in design and performance.
  • Supports the famous “all buttons in” ratio setting.
Check Stock

Good Molecules Overnight Exfoliating Treatment

  • ...beginners and advanced science and chemistry learning. Develop, architect, and unleash your chemistry genius..
  • BONUS LEARNING GUIDE AND MOLECULE STENCIL: This model kit for organic chemistry comes with an 8-page instructional guide to easily identify all atoms and connectors as well as a molecule stencil for drawing structures on paper. Delivered in a sturdy plastic box with four compartments for storage and portability, its a complete toolkit to help learn organic chemistry..
  • 3D VISUAL LEARNING: The 239-pieces molecule model kit is built for students from Grade 7 to graduate level, with color coded bonds to help visually understand and demonstrate the structure and geometry of compounds. All atoms are color coded to universal standards, making the Old Nobby Molecular kit your best chemistry friend..
  • ASSEMBLE COMPLEX STRUCTURES IN MINUTES: The organic chemistry molecular model kit contains high-quality atoms and bonds that seamlessly connect and disconnect to ensure you don't get tired fingers. Bonus link remover included to make the task of dissembling your molecular atom model kit structures super easy and fast..
  • FUN AND EFFECTIVE WAY TO LEARN CHEMISTRY: Learning complex structures in 3D with color coded atoms, plus your bonus learning guide means the ....
Check Stock

2 Pieces Professional Compass for Geometry, Metal Compass, Compass Drawing Tool, Drawing Compass, Drafting Compass with Extra Refills for School Office Drafting, Woodworking, Silver, Blue

  • Good combination: you will get 2 pieces metal compasses in silver or blue, 6 pieces spare pencil s, 6 pieces spare steel needle tips and 4 pairs of fixing knobs, sufficient quantity and replacement device to ensure your use.
  • Thoughtful design: this kind of mathematical compass has spring bow head, center wheel and automatic locking mechanism, so it can prevent the accidental movement of legs and help you stably draw line, giving you good use feeling.
  • Quality material: unlike the fragile plastic compass, this geometry compass is made of quality meta with plated and strong structure, which is durable to serve you for a long time, bringing convenience to your work or study.
  • Widely use: the metal bow compass can draw correct circles and arcs.
  • It plays a very important role in the fields of mathematics, engineering, carpentry, navigation, art and carpentry, making it an ideal drawing tool for students, artists, carpenters and mathematicians.
  • Dimension information: the drawing compass is 6 inches in length, with a maximum diameter of 10 inches and a minimum diameter of 1/ 8 inch.
  • With it, you can draw a variety of circles for mathematical geometry and artistic painting, quickly done your work.
Check Stock

Axis Scientific 1.5X Life-Size 4-Part Brain Numbered Anatomical Model, Includes Display Base, Study Booklet,

  • ​​1.5X LIFE SIZE ANATOMICAL HUMAN BRAIN MODEL: This 3D human brain model comes in 4 separate brain parts, resting together on a wood stand. This allows for a detailed study of the structures of the left and right brain individually..
  • 100% ANATOMICALLY ACCURATE HAND-PAINTED BRAIN MODEL: Each piece and structure of the life size human brain is hand-painted and numbered for easy identification with the included key of the various structures and regions of the brain, as well as their purpose. Ideal for neuroscience study..
  • COLOR-CODED FOR EASY IDENTIFICATION: Each of the different sections of the brain are didactically colored for easier identification and study. The 4-part design in 1.5 times life size make it a great model for student and patient education..
  • HIGH QUALITY AND REALISTIC MODEL OF THE HUMAN BRAIN: This colorful anatomical model of human brain helps shed some light on the way the human brain functions. The various nerves of the medulla oblongata are also identifiable, as are the major structures of the brain like the lobes and cerebellum..
Check Stock

Behringer ULTRAGAIN PRO MIC2200 Audiophile Vacuum Tube Microphone/Line Preamplifier

  • Ultra-low noise discrete microphone/line preamplifier with hand-selected 12AX7 tube for ultra-musical sound.
  • Mic input stage based on discrete, conjugate transistor pair circuitry.
  • Ultra-wide bandwidth from 10 Hz to 200 kHz for “open” sound.
  • Integrated fully parametric EQs with dedicated center frequency, bandwidth and level controls.
  • Independent line driver for converting -10 dBV into +4 dBu pro level.
Check Stock

Gustard R26 Discrete R2R MQA DAC K2 Clock Dual Native DSD Decoder XMOS Balanced LDAC DAC with Remote Control (Silver)

  • 【Discrete R2R DAC】R-2R ladder DAC converts the digital signal to analog signal by switching resistor's array. 【XMOS XU216】DAC-R26 using 2nd XMOS XU216, supports up to PCM768 & DSD512..
  • 【1Bit DAC Native】1 Bit DAC, supports DSD 512 ( via USB ) and DSD 1024( via IIS ) .The DSD stream is decoded by the independent 1 Bit DAC without DSD to PCM converting..
  • 【Clock Synthesis】DAC-R26 adopts ultra-low noise clock synthesizer K2 clock . Provide an accurate clock from the local oscillator or external clock input. The interference from the input source clock is avoided..
  • 【LPF Of DAC-R26】The discrete circuits of the DAC-R26 control every detail of sound and performance. LPF is specifically designed for the D/A converter using discrete devices..
  • 【Full MQA decoding】The DAC-R26's USB/OPT/COAX/AES/IIS inputs all support full MQA decoding, PCM44.1kHz-384kHz. Presenting you with a complete and rich music scene..
Check Stock

1 Khz for Dac Linearity Check - 7 Db

  • Pristine Audio Output | Supreme Audio Fidelity With 127 Db Dnr Hi-Res 32-Bit / 384 Khz Playback Via Ess Sabre-Class 9018 Dac And Dsd64 Playback....
  • Massively Powerful Headphone Audio | Custom Xamp Discrete Headphone Bi-Amp Powers Each Earcup Separately With 1Ω Output Impedance And Drives....
  • Theatrical-Grade Discreet And Virtual Surround | Supports Discrete 5. 1 On Speakers With Dolby Digital Live / Dts Connect Encoding, And Up To 7. 1....
  • True Hardware Accelerated Audio | Dedicated Quad-Core Processor Designed To Deliver Incredibly Pristine And Enhanced Sound On Your Pc Without....
Check Stock