Mechanical Engineering Toolkit vs 免許証管理＆ペーパードライバーサポートアプリ

Mechanical Engineering Toolkit is a professional engineering calculator for students, researchers, and practicing engineers. Choose a formula, enter your variables, and get instant results — with calculation steps, formulas, diagrams, and unit conversions shown along the way. Switch between SI and Imperial units anytime, save favorites, and find the right tool fast with recommendations by major. Save your inputs as named projects, and export any result as text, image, CSV or PDF. Categories and tools: Mechanics of Material • Moments of inertia of plane areas • Force-displacement relation of a bar • Torsion formula and angle of twist • Flexure formula of a beam • Transverse shear stress • Deflections and slopes of cantilever and simple beams • Plane stress transformation and Mohr's circle • Principal stresses and planes • Spherical shell and thin-walled pressure vessel stresses • Buckling load of a column • Thermal deformation and stress • Combined loading • Bolted / riveted joints • Fatigue safety factor • Shaft power and torque Statics • Centroid of an area • Resultant of a force system • Beam reactions • 2D truss analysis Machine Design • Helical compression springs • Spur gear geometry and stresses • Shaft fatigue design (DE-Goodman) • Bearing L10 life • Belt and chain drives • Bolt preload / torque-tension • Fillet weld strength • Press / shrink-fit interference • Shaft critical speed (Dunkerley) • Beam natural frequency (five end conditions) • Torsional natural frequency (one or two rotors) Fluids & Thermal • Reynolds number and flow regime • Pipe pressure drop (Darcy-Weisbach with Colebrook) • Pump and fan power • Composite wall conduction • Fin efficiency • Heat exchanger sizing by LMTD Theory of Elasticity • Constitutive relation of linear elastic material • Stress/strain of linear elastic material Composite Material • Lamina and laminate stress/strain • Lamina engineering constants • Laminate plane and 3D properties • Rule of mixtures • Failure criteria (Tsai-Hill, Tsai-Wu) Reference Tables • Drill & tap chart (metric and imperial thread series) • ISO 286 fits & tolerances • Standard sections (AISC W, IPE, HEB) • Unit converter No account required. Works offline. Available in English, Chinese, German, French, and Japanese.

「免許証情報の管理と学科試験の効率的な学習をサポートするオールインワンアプリ」 詳細説明 あなたの免許証情報を安全に管理し、更新リマインダーを設定できるほか、学科試験の練習や再学習サポートを提供する学習支援アプリです。 主な機能は以下の通りです： • 免許証管理 • 免許証画像の撮影・保存 • 有効期限のドラム式ピッカーで簡単設定 • 更新リマインダー通知で期限切れを防止 • 学科試験練習 • CSVベースの問題集からランダムに出題 • ○×形式で簡単解答 • 正解・不正解の即時フィードバックと解説表示 • 再学習サポート • 過去に間違えた問題だけを集めて復習 • 効率的に学習できる復習モード • 結果は学習履歴として保存 • 学習履歴の確認 • 過去の成績や不正解問題を一覧表示 • 効果的な学習プランをサポート 免許証管理と学習を一つのアプリで簡単に行えるように設計されています。これで更新忘れや学習漏れを防ぎ、効率的に管理できます。