- 세상의 모든 계산기 자유(질문) 게시판 일반 ()
singer 재봉틀 비교
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- 2016.12.06 - 20:56 2016.11.26 - 08:33 3178 8
출처 : http://www.sewinginsight.com/a-comparison-of-singer-heavy-duty-sewing-machines/
What Sets Them Apart
| MODEL # | # OF STITCHES |
STITCHES PER MINUTE |
ADDITIONAL FEATURES |
ADDITIONAL ACCESSORIES |
WHERE TO BUY | MSRP |
|---|---|---|---|---|---|---|
| 44S Classic | 23 | 1100 | Automatic needle threader | None | walmart.com exclusively | <$150 |
| 4411 | 11 | 1100 | None | None | Independent authorized dealers*; internet |
<$200 |
| 4423 | 23 | 1100 | Automatic needle threader | None | Big box stores; internet |
<$200 |
| 4432 | 32 | 1100 |
Automatic needle threader; |
Quick start guide | Internet | <$400 |
| 4443 I** | 23 | 1100 | Automatic needle threader; automatic 1- step buttonhole |
Even feed/ walking foot; non-stick foot; clearance plate; heavy duty needles – size 16 |
Independent authorized dealers | <$400 |
| 4452** | 32 | 1100 | Automatic needle threader; automatic 1-step buttonhole |
Even feed/ walking foot; non-stick foot; clearance plate; heavy duty needles – size 16 |
Independent authorized dealers | <$500 |
| 5532 | 32 | 1100 | Automatic needle threader; automatic 1-step buttonhole |
Quick start guide | Independent authorized dealers; internet |
<$500 |
| S161 Studio** |
Straight stitch only |
1600 | Automatic needle threader; Vertical side loading bobbin; extra large work space (9 x 6); independent bobbin winding; programmable needle up/down; |
¼” foot; free motion foot; narrow rolled hem foot; darning plate; thread spool cap; thread spool net; thread spool holder; 2 screwdrivers; fabric guide and setscrew; accessory storage case; oil dispenser; knee lifter; quick start guide |
Independent authorized dealers; internet | >$500 |
| CG 590 Commercial |
18 | 1100 | Drop feed; adjustable speed control |
Blind stitch presser foot; finger guard |
Big box stores; internet |
<$300 |
| Singer I Professional*** |
6 | 1250 | Heavy duty interior metal frame; extra large metal work space; |
Straight stitch presser foot & needle plate; blind hem foot; narrow rolled hem foot; satin stitch foot ; darning plate; spool caps; finger guard; seam guide; quick start guide |
Independent authorized dealers | >$500 |
* It appears as though this machine, while currently available through independent authorized dealers, is being shifted to the internet market
** Released in 2014
*** Coming soon [fall 2014]
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세상의모든계산기
6199-brilliance
http://www.singerco.com/products/2181/6199-brilliance
- 100 Built-In Stitches
The right stitch: easier sewing with better results. Includes: 9 Basic, 76 Decorative, 8 Stretch and 7 Buttonholes - Automatic Needle Threader
Threading the needle is quick and easy. - 6 Fully Automatic 1-Step Buttonholes
Buttonhole sewing is a one-step simple process, providing reliable results every time. Each side of the buttonhole is sewn in the same direction creating beautifully balanced buttonholes. - 1 Endless Buttonhole
There are no size limitations with this buttonhole. Ideal for sewing nontraditional sized button holes. - Push Button Stitch Selection
Easily select your desired stitch with a push of a button. - Automatic Stitch Width & Length
The right stitch setting every time. Automatic settings for width and length may be overridden to personalize stitch size. - Up to 6.5 mm Stitch Width
Many stitches can be set for a maximum width of 6.5 mm creating attractive satin and decorative stitches. - Automatic Tension
Automatically keeps stitches balanced and even. - Heavy Duty Metal Frame
This rigid support holds all the mechanisms in perfect alignment for precise sewing and durability. - Hard-Sided Cover
Carry your machine safely and keep dust-free in storage. - Extension Table
Manage large projects easily with more sewing surface. - Automatic Presser Foot Pressure
Easily sew the lightest weight tricots to the heaviest denim without the need for presser foot pressure adjustments. - Extra-High Presser Foot Lifter
Offers more clearance, which is needed when placing multiple layers of bulky fabric under the presser foot - 13 Needle Positions
Needle position can be changed for individual projects, such as inserting zippers or cording and topstitching. - Automatic Reverse
Push the conveniently located Automatic Reverse Button to sew in reverse and reinforce the stitch. - Sewing Speed
With a maximum sewing speed of 750 stitches-per-minute, projects can be sewn quickly. - Free Arm
Provides easy access to cuffs, collars, pant hems and other smaller or difficult-to-reach areas - 8 Snap-on Presser Feet
Expands your creative sewing possibilities. Quick release for easy on and off! - Included Accessories
All-Purpose Foot, Zipper Foot, Buttonhole Foot, Blind Hem Foot, Button Sewing Foot, Overcasting Foot, Invisible Zipper Foot, Shank, Roller Foot, Pack of Needles, Bobbins, Thread Spool Caps, Auxiliary Spool Pin, Spool Pin Felt, Darning Plate, Needle Plate Screwdriver, Seam Ripper / Lint Brush, Extension Table and Hard-Sided Dust Cover. - On Board Storage
The accessories are conveniently stored in the removable storage compartment providing easy access.
- 100 Built-In Stitches
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뉴턴-랩슨 적분 방정식 시각화 v1.0 body { font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; display: flex; flex-direction: column; align-items: center; background: #f8f9fa; padding: 40px 20px; margin: 0; color: #333; } .container { background: white; padding: 40px; border-radius: 20px; box-shadow: 0 15px 35px rgba(0,0,0,0.08); max-width: 900px; width: 100%; } header { border-bottom: 2px solid #f1f3f4; margin-bottom: 30px; padding-bottom: 20px; } h1 { color: #1a73e8; margin: 0 0 10px 0; font-size: 1.8em; } p.subtitle { color: #5f6368; margin: 0; font-size: 1.1em; } .equation-box { background: #f1f3f4; padding: 15px; border-radius: 10px; text-align: center; margin-bottom: 30px; font-size: 1.3em; } canvas { border: 1px solid #e0e0e0; border-radius: 12px; background: #fff; width: 100%; height: auto; display: block; } .controls { margin-top: 30px; display: flex; gap: 15px; align-items: center; justify-content: center; flex-wrap: wrap; } button { padding: 12px 25px; border: none; border-radius: 8px; background: #1a73e8; color: white; cursor: pointer; font-weight: 600; font-size: 1em; transition: all 0.2s; box-shadow: 0 2px 5px rgba(26,115,232,0.3); } button:hover { background: #1557b0; transform: translateY(-1px); box-shadow: 0 4px 8px rgba(26,115,232,0.4); } button:active { transform: translateY(0); } button.secondary { background: #5f6368; box-shadow: 0 2px 5px rgba(0,0,0,0.2); } button.secondary:hover { background: #4a4e52; } .status-badge { background: #e8f0fe; color: #1967d2; padding: 8px 15px; border-radius: 20px; font-weight: bold; font-size: 0.9em; } .explanation { margin-top: 40px; padding: 25px; background: #fff8e1; border-left: 5px solid #ffc107; border-radius: 8px; line-height: 1.8; } .explanation h3 { margin-top: 0; color: #856404; } .math-symbol { font-family: 'Times New Roman', serif; font-style: italic; font-weight: bold; color: #d93025; } .code-snippet { background: #202124; color: #e8eaed; padding: 2px 6px; border-radius: 4px; font-family: monospace; } 📊 Newton-Raphson 적분 방정식 시뮬레이터 미분적분학의 기본 정리(FTC)를 이용한 수치해석 시각화 목표 방정식: ∫₀ᴬ (2√x) dx = 20 을 만족하는 A를 찾아라! 계산 시작 (A 추적) 초기화 현재 반복: 0회 💡 시각적 동작 원리 (Newton-Raphson & FTC) Step 1 (오차 측정): 현재 A까지 쌓인 파란색 면적이 목표치(20)와 얼마나 차이나는지 계산합니다. Step 2 (FTC의 마법): 면적의 변화율(미분)은 그 지점의 그래프 높이 f(A)와 같습니다. Step 3 (보정): 다음 A = 현재 A - (면적 오차 / 현재 높이) 공식을 사용하여 A를 이동시킵니다. 결론: 오차를 현재 높이로 나누면, 오차를 메우기 위해 필요한 가로 길이(ΔA)가 나옵니다. 이 과정을 반복하면 정답에 도달합니다! const canvas = document.getElementById('graphCanvas'); const ctx = canvas.getContext('2d'); const iterText = document.getElementById('iterText'); // 수학 설정 const targetArea = 20; const f = (x) => Math.sqrt(x) * 2; // 피적분 함수 f(x) = 2√x const F = (x) => (4/3) * Math.pow(x, 1.5); // 정적분 결과 F(x) = ∫ 2√x dx = 4/3 * x^(3/2) let A = 1.5; // 초기값 let iteration = 0; let animating = false; // 그래프 드로잉 설정 const scale = 50; const offsetX = 60; const offsetY = 380; function drawGrid() { ctx.strokeStyle = '#f1f3f4'; ctx.lineWidth = 1; ctx.beginPath(); for(let i=0; i 2026 04.11 참값 : A = ±2√5 근사값 : A≈±4.472135954999579392818347 2026 04.10 fx-570 ES 입력 결과 초기값 입력 반복 수식 입력 반복 결과 2026 04.10 파이썬 코드 검증 결과 초기값: 5.0 반복 1회차: 4.5000000000 반복 2회차: 4.4722222222 반복 3회차: 4.4721359558 반복 4회차: 4.4721359550 반복 5회차: 4.4721359550 초기값: 10.0 반복 1회차: 6.0000000000 반복 2회차: 4.6666666667 반복 3회차: 4.4761904762 반복 4회차: 4.4721377913 반복 5회차: 4.4721359550 2026 04.10 감사합니다. 주말 잘 보내세요. 2026 03.06